Logql sum by. Metric queries that convert logs into value matrices.

Logql sum by Grafana Loki total number of a specific log message. Values that can be extracted from logs and so high cardinality. My query currently is: sum by (host) (count_over_time({job=“syslog”}[5m])) If I wrap it in a topk statement the results make no sense, there are still more than 10 results. Hi, with following query i get total number of logs by label “SipSessionId”. 日志查询 返回日志行的内容。 指标查询 将 LogQL - Metric Query: Sum By Device ID. Unfortunately, after moving to the TSDB index, we've observed significant performance penalties when using label_format for metric queries (still separately looking into how that's related). For example: The logs line from the query are: Use variables on grafana loki queries (LogQL) 15. Copy link A log range aggregation is a query followed by a duration. Provides LogQL query examples with explanations on what those queries accomplish. Back in 2020, LogQL received a lot of new extensions allowing it to extract, transform, and filter your logs. 21344541Z level=INFO UserID=6 Parse LogQL substring as JSON – markalex. Viewed 7k times 2 . This is the LogQL I have written for this but it returns all ClientHosts for the selected time range instead of only the top 3. Alert and rules evaluation. Unable to create LogQl query to display the number of UNIQUE users in the Grafana Worldmap panel. Seems that only after the rate is calculated, a sum(), or other aggregation is applied (I TLDR: The aggregation functions in LogQL does not function like I expect since it does not aggregate the number of rows. You signed out in another tab or window. A basic LogQL query consists of two parts: the log stream selector and a filter expression. I want to do a “group by” with two of the labels, and the third one will be aggregated to have all the values in the same line together. Line #1 (for organization one) showing 2 as the result (because unique users are A and B) Line #2 (for organization two) to show 1 (because only Z is there, though appearing two times). It is not working as I am suspecting those values are not being numbers, but only strings. Demo | 11 LogQL Future Improve query performance. 710037238Z", As I mentioned above, you already have what you want. (With the currently supported bucket With LogQL, it was one query: sum by (status_code) ( rate({app=~"frontend|backend|auth"} | json | status_code >= 500 [5m] ) ) This immediately showed us a pattern: the 503s were happening exactly when our rate limiting kicked in. 5 one time and then -0. Here’s an example of the logs: A Jsonnet based DSL for writing LogQL queries. The problem is that this is still displayed as graph over time and not as list where the time is ignored Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am trying to write a logQL query to give me the count of log entries per device id over a duration of 1 minute. There are two types of LogQL queries: Log queries: Return the contents of log lines. I'm trying to count the number of unique users within an hour. so i want to make "{{. loki Saved searches Use saved searches to filter your results more quickly We use the following loki query to sum errors per job: I know this works, cause when changing range to 1 hours it shows data: When using Grafana Explore, I can find a specific sum occurring at 03. The query in your example seems to yield for, each unique org and user pair, the number of times it Having that I want to perform some transform operation, ex sum, or transform operation with grouping by and taking total. 2544 | blah blah tracked_unconnected=8 tracked_total=6345 diidabadiiaba INFO | 2021-05-17 15:57:55. I am attempting to create a Grafana dashboard that showcases the LogQL sum by __line__ I use opentelemetry to send logs to Loki, and thus I get very nicely formatted log entries that are easy to query on: Now I want to get some statistics out of the logs about login activity: sum by( LogQL. This question has shown up a few times in the community forum: https There are two types of LogQL queries: Log queries returning the contents of log lines as streams. 24, MyValue2: 0. There are two types of LogQL queries: Log queries return the contents of log lines. LogQL 是 Grafana Loki 的受 PromQL 启发的查询语言。查询相当于一个分布式的 grep，用于聚合日志源。LogQL 使用标签和运算符进行过滤。 LogQL 查询有两种类型. LogQL is Grafana Loki’s PromQL-inspired query language. For instance, when extracting labels and values from NGINX logs, finding the rate of requests by status and method can be challenging. Can you help me underst I want to get a unique count of user ID and display on Dashboard from my logs. However, the rate LogQL: Log query language. From the Grafana main menu, choose Explore and then from the data source picker, select the LokiNGINX datasource. Operators. It is highly recommended to use increase to automatically adjust counter for resets. Like PromQL, LogQL is filtered using tags and operators, and has two main types of query functions. Due to Loki’s design, all LogQL queries are required to contain a log stream selector. Increase results in fractional values due to extrapollation at boundaries as well. Proton Pass is a free and open-source password manager from the scientists behind Proton Mail, the world's largest encrypted email service. Those panels are using simple LogQL queries. 27, 134,43) to have value 167,7. 1. First off, the max_query_series limit prevents the number of series being returned by a query. hence json use for change log style to readable contents. loki. Thanks for reading my article, always remember to If I have 2 log lines, e. asked Jul 19, 2021 at 9:33. This is useful for automatically creating dashboards on Grafana - grafana/logql-jsonnet to graph both values at the same time, you need to create two queries: If your log file looks like this. Grafana automatically adjusts the interval Hi everyone, I’m having trouble writing a Loki query in Grafana that returns the total number of logs for each status code (e. However, when it comes to filtering logs and finding the needle in the haystack, the query language is very specific to Loki. So without really knowing how your Is your feature request related to a problem? Please describe. 2: 509: March 16, 2024 Creating log-based metric to count unique field values in logs. go" | logfmt | unwrap bytes_processed [1m]) ) Vector aggregation examples I have a Loki LogQL query that transforms to a table with three labels. The text template format used in Sum floating point numbers. It's designed for exploring your logs simply and efficiently. A LogQL query consists of, sum : Calculate the total of all instance vectors in the range at time; min : Show the minimum value from all instance vectors in the range at time; Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. One misconfigured client was hammering our API, causing cascading failures. A basic log query consists of two parts: A log stream selector. As you know Prometheus hides missing values. 3 MyValue1: 0. I would like to display the nodes that send in the most logs. Incomprehensibly, this can only be done for a single label per query. I ended up using Grafana grouping to get alert group only for a specific container/pod. Under the hood it runs the following query sum by (level) (count_over_time({log query}[log volume interval])). Distributed grep. Is there a way to get Grafana to sum together the seven categories and output one I am trying to write a logQL query to give me the count of log entries per device id over a duration of 1 minute. , how many 200 status logs, how many 304 status logs, etc. This action results in a new vector Hi, I have an access log ingested into loki and I’m trying to identify abnormal client activity (basically I’m trying to find the top 10 client IP addresses that appear in the logs) the log is json formated with client_ip feild so I tried: topk by (client_ip) (10, count_over_time(({log="access"} | json)[5m])) but I’m hitting the maximum series limit (I increased the limit 10 times from In this section of the workshop we will analyze log volume, using Loki's query-time JSON parsing, and LogQL metric functions count_over_time and sum. Drop logs from promtail. I have a table that shows the percentage of some values (bar) from the logs, using a query like this: sum by (foo, bar) (count_over_time({} | [$__range])) / on (bar) group_left sum by (bar) (count_over_time({} [$__range])) If I enable ad-hoc filtering for the values in the table it is working for all other panels like a charm. Improve this question. last 24 hours). How to visualize Loki JSON logs in Grafana. Hi, I’m trying to use Loki to generate visualisations from a service’s event logs. I’m trying to show a time series graph of a value extracted from logs, grouped by client name. Here is the most interesting part starting – LogQL and aggregation/counting functions. LogQL uses labels and operators for filtering. Quick explanation for some LogQL queries used in SSH Log Dashboard. Describe the solution you'd like I have scrapped by Promtail nginx logs (exa Describe the bug I am using Loki 1. I am trying to get the number of repositories (that have the msg=&quot;Repository finished&quot;) for a given duration of, say 6h&quot; I u LogQL Cheat sheet Aggregation operators. here you can see sum by use for getting label (app and msg) so these values are together. zlucplayz April 4, 2022, 3:16pm 1. Logs are json format with fields: service_name, client_name, and my_value. 476 1 1 gold badge 5 5 silver badges 15 15 bronze badges. 2022, 3:53pm 2. The first type uses log entries as a whole to compute values. 5 LogQL, Loki’s query language, is a mish-mash of different concepts. However, if I add filtering You signed in with another tab or window. To ach Additionally, to cover the special use-case of a counter value, LogQL can provide a new aggregation function counter_rate(), which takes an unwrapped range as input and treats it as a counter. First of all, I do not have too much experience with neither Grafana nor Loki, so please be patient with me. Here is the most interesting part starting — LogQL and aggregation/counting functions. LogQL sum by __line__. They are similar to label selectors in Prometheus. Note: Tried to tag this as a LogQL topic but not enough reputation to do so. However, I had to spend some time before made it works as Grafana’s and Loki’s documentation dis not clear about all the details. And save content in Writes label. Drop-in Grafana Cloud replacement compatible with Loki, Prometheus, Tempo, Pyroscope, Opentelemetry, Datadog and beyond :rocket: - LogQL Plugins · metrico/qryn Wiki I have a system that imports records into a database and then logs the import duration as hh:mm:ss. Commented Oct 9, 2023 at 19:47. 3. Those familiar with PromQL should know that common aggregate queries include sum, rate, count, and so on. 0. md guide 2. The docs don't seem very "all-encompassing". I am currently working on a Grafana dashboard where I visualize various errors logged in different systems and count the number of times these errors occur. Extracting metrics. 2024 20:30: But for this entry, there was no alert triggered, Grafana does not show a "Pending" state in the state history, nor an "Alert" state. The LogQL Basics for Counting Log Messages. Commented Oct 9, 2023 at 20:18. Replace log line with value from Writes as result Writing LogQL queries to access Loki’s log data just got easier, thanks to the new pattern parser released with Loki 2. A function is applied to aggregate the query over the duration. I'm using flexlm_exporter to export my license usage to Prometheus and from Prometheus to custom service (Not Grafana). . I know that I can count number of line, rate etc. It's present in PromQL. avg: Calculates the average value. We are also running Prometheus and Grafana. 0 released: Transform logs as you’re querying them, and set up alerts within Loki; Logging in Kubernetes with Loki and the PLG stack LogQL template functions. query-help, loki. You switched accounts on another tab or window. PandaCheLion. Let’s take a closer look. count_over_time is provide specific condition within the function get count for time range. I've started shipping traefik access logs (in JSON) to Grafana Loki and wanted to visualize the top 3 ClientHosts. Common operation. sum by to sum across unique label combinations. However, I need those missing Sum total number of items returned by a LogQL qery. But if each "app" pushes to a tenant, you can achieve what you need with Loki Ruler and something like: sum by (tenant) (increase(loki_distributor_bytes_received_total[24h])), which will report what is the increase of log volumes, by bytes, in the last 24h per tenant – TuanNguyen sum(count_over_time()) sum by () (count_over_time()) After reading the details of this issue again, I understand that returning an empty array instead of null is the expected output. 87099 MB. In some cases, when the developer does not provide Metrics, we can also use LogQL to build log-based Metrics, mainly using aggregate queries. You can do an instant query with count_over_time with a specific window size to get what your asking for. Given the log sample below, I was hoping to get a result set such as: 10d4c0 has a count of 4 950224 has a count of 3 28ef52 has a count of 2 This is what my query looks like: sum by (device_id) (count_over_time({job=“device-logs”} | pattern In this video, we will try out many LogQL queries on the Loki data source we've setup. g: 01/02/2022 - my log line - arbitrary number: 40 02/02/2022 - another log line - arbitrary number: 60 Within Grafana (or loki) is it possible to add together the 'arbitrary numbers' and give me an output of 100? but I am at a loss trying to group the sum by day. Each expression can filter out, parse, or mutate log lines and their respective labels. But Describe the bug I am using Loki 1. rate(log-range): calculates the number of entries per second 2. 2. There are two types of LogQL queries: sum : Calculate the total of all vectors in the range at time; min : Show the minimum value from all vectors in the range at time; max : Show the maximum value from all vectors in the range at time sum : Calculate the total of all vectors in the range at time; I have created a video tutorial of the LogQL examples outlined in this article. Metric queries that convert logs into value matrixes. 5 the next time, we'll sum that out to 0. My working query looks like this atm: LogQL：日志查询语言. To ach Examples of working with LogQL in Grafana Loki to create metrics from AWS Load Balancer logs To Reproduce The unwrap operator does not remove the unwrapped label for sum operations: in query sum_over_time({app="foo"} | unwrap bar [5s]) the label bar is excluded; in query sum by (bar) (sum_over_time({app="foo"} | unwrap bar [5s])) the label bar is not excluded. Thanks, this got me in the right direction. 2544 | blah blah tracked_unconnected=1 tracked_total=6345 diidabadiiaba Now, It is a big difference because the result is not the same. Goal: Each team has an operating budget and I would like to split the cost of operating the Loki instance + storage cost based on how much sum(count_over_time({job="ET10"} |= "Station 1" [1m])) < bool 1 It does not work as expected, because I get no response for the time after approx. I am using Grafana to count GET requests to our server. Correctly sum pixel values into bins of angle relative to center The highest melting point of a hydrocarbon Can I compose classical works on a DAW? LogQL: overview. Hi How can I search these key words “WFLYCTL0183|WFLYEJB0043|WFLYEJB0048” and count over time them: I try this but don’t know how can I group by them by search keyword: {job="varlogs"} |~ `WFLYCTL0183|WFLYEJB0043|WFL This LogQL produces one series in grafana, charting all data loads for all apps from all sources. Operators are used to combine multiple expressions: and / or: Logical AND / OR. So I can confirm that this is fixed. data 1234-02-01,12:30,1 data 1234-03-02,11:30,12. 3: LogQL pattern parser makes it easier to extract data from unstructured logs; Loki 2. FusionReactor logging comes with LogQL parsers that manage JSON, regex, and Logfmt. Logql. 4,391; asked Oct 2, 2024 at 6:02. The second query returns the complete record count because count() does not care about the content inside it, as long as the content is NOT NULL. We collect . sum by (country) (rate({namespace="mynamespace"}| json | __error__!="JSONParserErr"[10m])) LogQL: Log query language; Usage of Grafana Loki Query Language LogQL; LogQL; New in Loki 2. millions of series could crash loki), performance, and usability (rendering thousands of series in a grafana panel LogQL. Problem Description: I have a setup involving Promtail, Loki, and Grafana, where I am currently sending systemd-journal logs to Loki. The extracted data can hold non-string values, and this stage does not do any type conversions; downstream stages will need to perform correct type conversion of these values as necessary. And the pattern parser can be an order of magnitude faster than the regular expression parser. Path: sum by (org_id) ( sum_over_time( {cluster="ops-tools1",container="loki-dev"} |= "metrics. Example: template Copy `{{ addf 3. Asking for help, clarification, or responding to other answers. Not sure if it's solved in Loki v3. NET logs to Grafana Loki, I want to create an alert for errors. In general, working with Loki and its LogQL is almost similar to working with Prometheus and its PromQL — almost all the same functions and general approach, this is even reflected in the description of Loki: “ Like Prometheus, but for logs”. 6. Given the log sample below, I was hoping to get a result set such as: 10d4c0 has a count of 4 950224 has a count of 3 28ef52 has a count of 2 This is what my query looks like: sum by (device_id) (count_over_time({job=“device-logs”} | pattern You can then use other metrics function such as avg or sum to aggregate the number. grafana-loki; Share. As a user I expect LogQL to be a strict superset of PromQL. Simple LogQL simulator. Supported functions for operating over are: 1. Describe the bug sort_desc is missing from LogQL. how-to-create-fast-queries-with-lokis-logql-to-filter-terabytes-of-logs-in-seconds You can also make use of the new Pattern parser instead of the regex if you want to make the query more readable. Using jq I can either choose to analyse these logs in . csv is going to be easier. json format - and I think that . LogQL: Log Query Language. Stack Overflow | The World’s Largest Online Community for Developers With LogQL, performing a full text-based search to analyze unstructured logs becomes simple. SSH alerting rule example for Alertmanager. fffffff. I’ve tried several queries, but most of them don’t compile correctly. Then I use the transform “Group by” on time and calculate a count on request_uri and a sum on megabytes \n. Like PromQL, LogQL supports a subset of built-in aggregation operators that can be used to aggregate the element of a single vector, resulting in a new vector of fewer elements but with aggregated values: sum: Calculate sum LogQL includes several functions to process and analyze log data: sum: Sums up values. sum(count by (job) (count_over_time(cpu_usage[1h]))) PromQL is a time-series based so I find it more useful to illustrate with image: say we want to check between 1646225640 and 1646225820. Total time to identify: 2 minutes. We are building some Grafana Dashboards with Loki data, and one of the Dashboard elements is a chart that shows log entries over time , grouped by level. Queries act as if they are a distributed grep to aggregate log sources. did a line format, converted to json, then tried to unwrap/sum over time. Click on the Code button to show the LogQL code editor Actually, we can use it for our first task — the total number of requests per second, just do sum() on all received codes. e. Grafana Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company My stdout of logs looks something like this - all string format: [customer1-name] - log line etc etc etc [customer2-name] - log line etc etc etc [customer3-name] - log line etc etc etc [customer4-name] - log line etc etc etc I want to create a simple dashboard that shows top 5 active customers based on filtering these log lines (I know its not 100% accurate but this is a Include any label sets from the left side that are not present in the right side: node_network_mtu_bytes unless (node_network_address_assign_type == 1) I am trying to create a table/chart in Grafana showing the total number of unique users who have logged in to a given application over a given time range (e. LogQL is the query language that is used by Grafana’s Loki. These logs are imported into Loki, and I'm trying to create a graph of the import times in Hi all. Usually you want to use them with sum_over_time or quantile_over_time range aggregation operators. Log-parsing woes What is LogQL ? Language to query logs from Loki. New replies are no longer allowed. Commented Dec 3, Grafana Loki LogQL: How to parse log lines with different log formats? 1 Grafana dashboard variable from Loki logs. Pass brings a higher level of security with battle-tested end-to-end encryption of all data and metadata, plus hide-my-email alias support. I am using Loki to send journal logs to Thanks for the input. The Go templating language is embedded in the Loki query language, LogQL. FusionReactor’s aggregation operators act similarly to PromQL, which supports a subset that can aggregate the elements of a single vector. *server-out. All LogQL queries contain a log stream selector. 14, MyValue2: 0. Here’s an example of what I’ve tried: sum by (status) (count_over_time({job="nginx"}[1h])) I’m using Loki as my the rate_counter() works. I have log lines that contain a few timestamp fields. We can use operations Hi there, i want to aggregate by label value over the following demo input: 2023-01-01 A: foo B: bar C: TWO 2023-01-02 A: foo B: bar C: TWO 2023-01-03 A: foo B: bar C: ONE becoming a table that count the occurences of C: like: TWO: 2 ONE: 1 Is this possible with promQL or do i need to parse the data via a custom script ? LogQL is Grafana Loki’s PromQL-inspired query language. Loki json logs filter by detected fields from grafana. between the green bars, which is not what I Weird LogQL behavior when aggregating logs. If I use query count_over_time({app="myapp"}[1m]), I see a nice curve on the graph. A log pipeline is a set of stage expressions that are chained together and applied to the selected log streams. So Im trying to simply sum together all values of a field I extract within the query. For example, the query below if sent to the query endpoint (not query_range) for the time 14:00, Hi, I have a Promtail + Loki digesting syslog input from a network of nodes. Will read up more in the docs. Current LogQL {job="pm2", filename=~". In this case, the resultant label set should be empty because the inner sum_over_time query does not return I need to create a grafana dashboard that give me as result total number of &quot;SipSessionId&quot; per hour in a time range of 24h. Grafana Loki. On the Explore panel, there is a feature to apply deduplication for identical requests (excluding time): As you can see in this case, there are 86 duplicates, which would previously distort the results. hiltonadmin December 18, 2023, 4:54pm 3. 1, MyValue2: 0. 3. LogQL includes several functions to process and analyze log data: sum: Sums up values. 1 and am having an unexpected behavior. I’ve found that node_cpu_seconds_total{mode!=“idle”} gives me the data for all non-idle processes, but it also outputs all seven categories of load individually, per core, of which I have 32. A filter expression. To perform a metrics calculation like sum or average on a label, the label needs to be unwrapped. Follow edited Sep 7, 2021 at 14:50. markbrouch October 13, 2023, 9:50pm 3. I am able to slice these values and separate date and time from this using trunc but I don't seem to LogQL – Loki’s logs aggregation and counters. LogQL, Loki's query language, is the key to effective log counting. Heavily inspired by PromQL. So, the main selection is based on indexed labels, with the help of which we make a basic search in the Example I have following log data: INFO | 2021-05-17 15:27:55. It makes writing queries for unstructured log formats simple. 5 2 Is it possible to write query to sum total_amount, for example for 21 (9PM) I would like to sum(33. Structure of a LogQL Query. Provide details and share your research! But avoid . Grafana - Is it possible to use variables in Loki-based dashboard query? 15. 9. If you need multiple Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company LogQL is heavily inspired by PromQL, the language used to query metrics in Prometheus, the popular CNCF Project. so it The post is not about Grafana, Loki, Promtail deployment, or how to harden the SSH server and your server in general. However, I had to spend some time before made it works as Grafana’s and Loki’s LogQL v2 introduces new range vector aggregation over labels values instead of logs using unwrap. Query to return log line contents; Calculating relevant metrics in the log stream by filtering rules; Log queries I am using Grafana Loki and I need to calculate the total number of a certain log message for a specific time interval. Metric queries that convert logs into value matrices. I get the same number of rows with some sort of rolling aggregation value for the interval applied to each row. Loki query to show all logs. There are two types of LogQL queries: I am trying to sum the count of rows (row_count) being inserted/updated according to my process logs, which look similar to the following line: {&quot;function&quot;: &quot;Data Processing Insert&q Inspired by PromQL, Loki also has its own query language, called LogQL, which is like a distributed grep that aggregates views of logs. Feel free to submit that as the answer and I'll accept it – vvMINOvv. Dashboard preview This topic was automatically closed 365 days after the last reply. Metric queries that calculate values based on the counts of logs from a log query. 9. But I would like to see 3 series - one for each application (A,B,C). count_over_time(log-range): counts the entries for each log stream within the giv Provides LogQL query examples with explanations on what those queries accomplish. The query I ended up using to display a gauge: avg_over_time(json ⭐️ All-in-One Polyglot Observability with OLAP Storage for Logs, Metrics, Traces & Profiles. A set of example log lines are included for each The query examples for aggregations like sum should explain how to sum by (labels) so labels are retained for alerting purposes. But we aren't generating a number for how much correction ntpdate had to apply; if ntpdate corrected by +0. Optionally, the log stream selector can be followed by a log pipeline. Signature: func(i interface{}) float64. Here’s how they work: I don't think Loki has an idea of which client (app) you use to push logs. Operators are used to combine multiple LogQL is Grafana Loki’s PromQL-inspired query language. Because count(1) and count(0) are still values and both get counted. 1: 1994: April 4, 2023 Grouping on time intervals. Here is an example of log line I am filtering in order to process it: { "time": "2022-06-22T10:33:08. Here's an introduction to its basic syntax and structure: Log stream selectors: Log stream selectors specify which log streams you want to query. I want to include only the top 10 client names based on the sum total value across all time points on the graph (ie the “total” legend calculation value). 19. 39 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company How to slice the string using logql? Ask Question Asked 2 years, 10 months ago. g. Here are the basics of LogQL: 1. It's the count for the time being queried back to the beginning of the time window in your range vector. This makes queries harder to understand and, of course, to write, than necessary. LogQL is the query language for Loki, a log aggregation system developed by Grafana Labs. There's a way to sum the bytes of the matching query log lines? Per example, by the those logs I would like to have a summed value of 870990 bytes or 0. PandaCheLion PandaCheLion. I have written a script that authorises and parses the JSON API of the service, and dumps the results into a file on disk. LogQL: Sum together values extracted from log's. As far as I know, LogQL has no abs() function currently, so if we wanted to get and sum up the absolute delta we'd have to write a more complicated regular expression that The problem here has to do with query planning and unfortunately will differ query by query. The duration can be placed after the log stream selector or at end of the log pipeline. Loki comes with its very own language for querying logs called LogQL. MyValue1: 0. In your example: sum by Like PromQL, LogQL supports a subset of built-in aggregation operators that can be used to aggregate the element of a single vector, resulting in a new vector of fewer elements but with aggregated values: sum: Calculate sum over labels; avg: Calculate the average over labels; min: Select minimum over labels; max: Select maximum over labels Background: I have various services, managed by different teams, sending logs to a single Loki instance. 23. | 5 Selecting time series with PromQL sum, min, max, topk, bottomk, avg , etc. Loki “Internal Server Error” Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company LogQL provides users with tools to filter, aggregate, and extract insights from log streams, making it valuable for monitoring, troubleshooting, and maintaining complex distributed systems. Example log stream: ts=2022-09-16T10:52:54. From the Grafana main menu, choose My working query looks like this atm: sum(sum_over_time({job="endlessh"} | pattern "<_> <_> <type> host=<ip> port=<port> fd=<fd> time=<time> bytes=<bytes>" | type="CLOSE" Sum_over_time (unwrapped-range) : sum of all values within a specified interval; Avg_over_time (unwrapped-range) : the average value of all points within a specified interval; There are two types of LogQL queries: Log queries returning the contents of log lines as streams. LogQL — Loki’s logs aggregation and counters. In many cases, we are seeing queries using label_format take >20x longer to sum by (domain, url, method) ( count_over_time( <YOUR_QUERY> [$__interval]) ) You can even slap topk on top: If you can share an example log line I can test for you in the logql analyzer as well. 1: 1214: February 20, 2023 Sum total number of items returned by a LogQL qery. ). I tried various versions of sum by (grouping) (expr) but that usually ended in parsing errors. I want a table that shows total sum or errors per day (in the given window). I just get a response within the logging time, e. loki, query-help. There are two types of LogQL queries: In this section of the workshop we will analyze log volume, using Loki's query-time JSON parsing, and LogQL metric functions count_over_time and sum. This has ramifications on memory pressure (allocating memory for i. I use opentelemetry to send logs to Loki, and thus I get very nicely formatted log entries that are easy to query on: Now I want to get some statistics out of the logs about login activity: sum by( metrics; open-telemetry; grafana-loki; logql; Cine. Actually, we can use it for our first task — the total number of requests per second, just do sum() on all received codes. I came up with a working solution, but I think there is an easier way, or at least I hope so. Logs carries a label service that corresponds to the name of the service. 21344541Z level=INFO UserID=65166 elapsed=2. You can use a combination of regex and sum by regex to extract the data into labels. I have logs coming from repositories into grafana (loki). Operators typically write a LogQL query per panel that are then arranged together to form a dashboard (for example, the dashboard in Figure 1(a)). Do the same if you need to have metrics/graphs by codes from TargetGroups, but instead of sum by (elb_id, domain, elb_code) do sum by (elb_id, domain, target_code). Binary operator in loki. 364015ms ts=2022-09-16T10:52:51. Rounding functions with the @ewelch I have very similar requirement as the OP but I wanted to see result like. Modified 2 years, 9 months ago. It seems to be failing due to escape characters in the JSON, although I'm not 100% sure – DataScienceAmateur. You just need to transform your data from a time series into a 1-data-point table. 2 Likes. 10. *. Supports multiple numbers. Even if the histograms involved have different bucket layouts, the buckets are automatically converted appropriately so that the operation can be performed. The LogQL Analyzer is an inline educational tool for experimenting with writing LogQL queries. That’s ok, but i would like to have in my stat graph just total number of “unique” SipSessionId labels. The first query returns the number of times the condition is true, because true is 1 and false is 0. Reload to refresh your session. 10 now and this is still an issue. The focus is to create a LogQL query for the most important information generated by sshd. |: Pipeline operator Didn't realize you could do a sum by on the outside like that. Environment: Hosted Loki instance on GrafanaCloud LogQL, the Loki query language, is heavily inspired by Prometheus PromQL. Grafana. 2544 | blah blah tracked_unconnected=5 tracked_total=6345 diidabadiiaba INFO | 2021-05-17 15:37:55. I have a log stream that has a UserID= label. There are two types of LogQL queries: Log queries which return the contents of log lines. How to sort 500-511 HTTP errors in a file produced daily on Grafana using Loki as Datasource. Sum values in unwrapped rate aggregation instead Use variables on grafana loki queries (LogQL) 6. I tried many LOGQL query, without luck. *W=(?P<writes>. This shows a lot more than 10 client names - it Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company We are on Loki 2. The LogQL simulator is an online tool that you can use to experiment with writing simple LogQL queries and seeing the results, without needing to run an instance of Loki. there would be mulitiple countries in the logs) and doing the same for the referrer. A LogQL query for the received a transmitted bytes sum: Calculate sum over labels; min: Select minimum over labels; max: Select maximum over labels; avg: Calculate the average over labels; stddev: Calculate the population standard deviation over labels; stdvar: Calculate the population standard variance over labels; count: Count number of elements in the vector I try to sum W through time so I run logQL querry: sum by (writes) ({job=“integrator”} | regexp `. *),` | unwrap writes [5m]) As I understand logic behind is: Chose stream job = integrator; Extract field from the stream *W=[field content] . I’m trying to make a bar-gauge that shows per-CPU-core load using node_exporter. 1: 836: This topic was automatically closed 365 days after the last reply. Read our CONT RIBUTING. 2:30, because there are no logs. The way you do this is by creating a table panel in your dashboard, and set the following: sum(increase(http_requests_total[$__range])) worked for me. LogQL can be considered a distributed grep with labels for filtering. iotmontefato September 2, 2024, 10:18am 1. I was not able to find any way to do this in the loki query as well. Name your PR as `<Feature Area>: Describe your change`. I have values in my logs in grafana loki something like this. 02. There are also two common types of aggregation operations in Loki Thanks for sending a pull request! Before submitting: 1. Here's an example of my log stream: ts=2022-09-16T10:52:54. Metric queries: Extend log queries to calculate values based on query results I am trying to write a simple logql query which will give me multiple line graphs, each representing the rate for a country (grouping by the country field. 34 MyValue1: 0. For example, I need the total number of log message "some-text" in the period from 12:00:00 to 14:00:00. csv or . $__range is grafana variable which reflects time range selected in top right of grafana. The reason why the first one does not work is, because the | json parser stage splits up the logs into separate streams (ts being a label with unique values) with 1 data point each, and a rate_counter() cannot extrapolate the rate from a single data point. log"} |~ `{"msg":. We can write query quicker rate() by (cluster), instead of sum by (cluster) (rate()) The text was updated successfully, but these errors were encountered: All reactions. Similar as above, and include a contains match for anything starting with \"accountId=000\": \n count_over_time isn't an average (avg_over_time is though). topk( 10, sum by (host) The binary + and -operators between two native histograms and the sum and avg aggregation operators to aggregate native histograms are fully supported. prometheus data is based on metrics{labels} for a series of timestamp, so count_over_time will return results with 3 records: ⭐️ All-in-One Polyglot Observability with OLAP Storage for Logs, Metrics, Traces & Profiles. A LogQL query for the received a transmitted bytes It shows the distribution of log lines over their selected time range. Is that possible? In Loki, there are two types of aggregation operations. log }}" to json format hence i took msg as labels so i add to sum by function. Drop-in Grafana Cloud replacement compatible with Loki, Prometheus, Tempo, Pyroscope, Opentelemetry, Datadog and beyond :rocket: - LogQL Supported Queries · metrico/qryn Wiki This stage uses the go-logfmt unmarshaler, which means non-string types like numbers or booleans will be unmarshaled into those types. How to filter logs in Grafana-Loki? 10. *` I would like to parse JSON substring so I can group by the message, IDs, etc. kzlq wcysneqr yixvua xocs kul wgll bboic hcwjgg dyv kcit