Fluentbit multiline filter python Nov 8, 2021 · Path /var/log/containers/*. The extracted fields can be used to enrich your log Jan 20, 2024 · Problem statement: I have deployed custom-fluent-deployment to achieve multiline parsing, but Its not working as expected but facing issue is Some traces are appearing in a single log entry, while others are still being displayed across Fluent Bit - Official Documentation. Common examples are stack traces or applications that print logs in multiple lines. parser go, python, java [FILTER] Name parser Alias msg-format-parser Match kube. It is important to parse multiline log data using Fluent Bit because many log files contain log events that span multiple lines, and parsing these logs correctly can improve the accuracy and usefulness of the data extracted from them. parser を java にするのみに留めました。 创建名为 multiline-app 的文件夹：mkdir multiline-app. In our case we are not using any Lua filter but similar multi-line custom parser that OP defined above with some grep filter to Exclude certain logs. Logs will be re-emitted by the multiline This will cause an infinite loop in the Fluent Bit pipeline; to use multiple parsers on the same logs, configure a single filter definitions with a comma separated list of parsers for multiline. It's easy: it's not a space-newline (^(?!\s\n). We have also closed the kinesis_streams Output and used stdout output to check if the multiline parser is working correctly. The goal with multi-line parsing is to do an initial pass to extract a common set of information. log Read_from_head true Multiline on Parser_Firstline multiline We turn on multiline processing and then specify the parser we created above, multiline. C Library API; Ingest Records Manually; Golang Output Plugins; WASM Filter Plugins [FILTER] name lua match * call append_token code function append_token(tag, timestamp, record) record["${AUTH_TOKEN}"] = {} return 2, timestamp, record end [OUTPUT] name syslog match * host syslog. Logs will be re-emitted by the multiline This example defines a multiline parser named multiline-regex-test that uses regular expressions to handle multi-event logs. To see all available qualifiers, see our documentation. parser cri [FILTER] Name multiline Match kube. Removed s3 output, rewrite_tag filters and multiline filters. conf [INPUT] name tail path test. Depending on your log format, you can use the built-in or configurable multiline parser. filter stage Oct 7, 2021 · I tried doing things like running the tail example with the output of my python script; that worked, the multiline filter worked, so the python script seems to work fine. i was using image : amazon/aws-for-fluent-bit:2. parser java （extra. The Multiline parser must have a unique name and a type plus other configured properties associated with each type. This is particularly useful for handling logs from applications like Java or Python, where errors and stack traces can span several lines. Logs will be re-emitted by the multiline The Multiline parser must have a unique name and a type plus other configured properties associated with each type. 数据源是一个普通文件，其中包含 JSON 内容，使用tail插件记录日志，通过parsers进行格式化匹配（图里没写），通过两个筛选器（filter）: grep初步排除某些记录，以及record_modifier更改记录内容，添加和删除特定键，最终通过输出器 The Multiline parser must have a unique name and a type plus other configured properties associated with each type. Built In Multiline Parsers. This new big feature allows you to configure new [MULTILINE_PARSER]s that support multi formats/auto-detection, new multiline mode on Tail plugin, and also on v1. This is not issue with Fluent-bit version 2. Dec 13, 2022 · Have you tried to use the python built-in multiline parser? This parser will help when handling standard python logs, Regarding your question about removing the "log" key, all records/logs in Fluent Bit must get structured in a map; hence, one key must always exist. Provide details and share your research! But avoid …. Parser Plugins Formatter Plugins. +). When working with multi-line log parsing in Fluent Bit, you have two primary options for where to handle the concatenation of related log lines: at the input stage or the filter stage. C Library API; Ingest Records Manually; Golang Output Plugins; WASM Filter Plugins Sep 1, 2021 · Tip #4: You Can’t Handle the (Multi-Line Parsing) Truth. To Reproduce Example log message if applicable (taken from kubectl log output): 2022-12-13 13:42:33. Oct 30, 2022 · 현재는 log파일을 input으로 하여 로그 데이터를 수집한다. This is exclusive with n Each available filter can be used to match, exclude, or enrich your logs with specific metadata. May 8, 2023 · I am attempting to get fluent-bit multiline logs working for my apps running on kubernetes. While parsing stack trace on some pods, Fluent bit is also picking up the empty log lines that are a pa The Multiline parser must have a unique name and a type plus other configured properties associated with each type. Is there a way to send the logs through the docker parser (so tha Sep 5, 2018 · Multiline Update. 0 Oct 9, 2020 · Fluentbit is able to run multiple parsers on input. hatenablog. AWS Metadata CheckList ECS Metadata Expect GeoIP2 Filter Grep Kubernetes Log to Metrics Lua Parser Record Modifier Modify Multiline Nest Nightfall Rewrite multiline-app という名前のフォルダを作成します: mkdir multiline-app. Aug 10, 2023 · You signed in with another tab or window. 20], is the list of Regexp format for multiline log. To know more about multi-line parsers, refer to this documentation. Fluent Bit has one event loop to handle critical operations, like managing timers, receiving internal messages, scheduling flushes, and handling retries. 217 1742204 WARNING oslo_db. [FILTER] Name parser Match kube. 187512963Z. You need one filtering out the docker output (on the tail input) and another filter to parse everything in the log key. 14 on Windows Server 2019 with Multiline Filter Plugin. To configure the multiline parser you must provide regular expressions (regex) to identify the start and continuation lines. This is exclusive with n_lines: nil: multiline_end_regexp: The regexp to match ending of multiline. For more, see issue . 14. The key for part of multiline log: separator: The separator of lines "\n" n_lines: The number of lines. Multiline Python stacktraces are not parsed as single log messages. This is an example of logs: 2024-01-03 13:49:59. Please note that the built-in Python follows these rules to join multiline records: Sep 18, 2024 · Fluentbit [FILTERS] configuration. http. You can define multiple parsers sections, which can also be loaded from external files included in the main YAML configuration. utils [-] Unique keys not in sort_keys. log read_from_head true [FILTER] name multiline match * multiline. And then I tried running the tail example without the multiline filter, just to see what its output would be to stdout. My settings are: [INPUT] Name forward Listen 0. Secondly, for the same reason, the multiline filter should be the first filter. The Multiline Filter helps to concatenate messages that originally belong to one context but were split across multiple records or log lines. Logs will be re-emitted by the multiline Use saved searches to filter your results more quickly. These entries are the start of one traceback, that should be captured by the multiline parser as one log. key_content log multiline. format_firstline is for detecting the start line of the multiline log. This plugin is the multiline version of regexp parser. Oct 9, 2024 · Fluent Bit’s multiline parsers are designed to address this issue by allowing the grouping of related log lines into a single event. Jan 17, 2023 · Bug Report Describe the bug We are running Fluent bit on k8s and using the tail input plugin to stream CRI formatted logs to Graylog. 8. conf [INPUT] Name tail Path /log/multi_line. Removed s3 output. 2 (to be released on July 20th, 2021) a new Multiline Filter. Fluent Bit has been made with a strong focus on performance to allow the collection and processing of telemetry data from different sources without complexity. # This is a YAML-formatted file. An example can be seen below: [INPUT] Name tail Path /var/log/example-java. Fluent Bit will now see if a line matches the parser Fluent Bit for Developers. You signed in with another tab or window. * Jul 28, 2006 · The JSON parser is the simplest option: if the original log source is a JSON map string, it will take its structure and convert it directly to the internal binary representation. . You can use the modify filter to change the name of this key Fluent Bit for Developers. $ sudo journalctl -r -o json-pretty Fluent Bit for Developers. log Tag my_logs Read_from_Head True multiline. com しかし init プロセスには課題があって，v2. Every pod log needs the proper metadata associated with it. conf [INPUT] name tail path log. Mar 11, 2024 · Bug Report Describe the bug CPU Continuously growing with Fluent-bit version > 2. # Declare variables to be passed into your templates. Sep 20, 2022 · I then attempted to create a multi-line parser for Fluent Bit 1. * [OUTPUT] Name es Match * Host Port 443 Nov 7, 2022 · Removed rewrite_tag filters. Install fluent-logger library via pip: Copy Jun 13, 2024 · 2024. 2. log Read_from_head true Multiline on Parser_Firstline multiline. Apr 20, 2022 · [SERVICE] flush 1 log_level info parsers_file parser. On pods with a normal/low number of logs it works without problems To Reproduce [2022/02/2 Oct 25, 2022 · And the attachment is the monitoring of the Kinesis Data stream. parser. 168. parser go, java, python [OUTPUT] Name opensearch Oct 17, 2020 · Note: In Fluent Bit, the multiline pattern is set in a designated file (parsers. Cancel Create saved search Dec 15, 2020 · We also then use the multiline option within the tail plugin. 9. Python スクリプトファイルを作成します。 multiline-app フォルダで、ファイルを作成して、main. Logs will be re-emitted by the multiline This is an example of parsing a record {"data":"100 0. I have multi-line support working well in fluent-bit , the only issue is that fluent-bit doesn't group the messages by CONTAINER_NAME when processing, so I'll end up with a traceback from service1 that doesn't end properly and eats lines from another service into its Apr 20, 2022 · [SERVICE] flush 1 log_level info parsers_file parser. May 18, 2021 · # This block represents an individual input type # In this situation, we are tailing a single file with multiline log entries # Path_Key enables decorating the log messages with the source file name # ---- Note the value of Path_Key == the attribute name in NR1, it does not have to be 'On' # Key enables updating from the default 'log' to the NR1-friendly 'message' # Tag is optional and Jun 14, 2022 · Fluent-bit FILTER configuration is set to match tags to process multiline. In addition, we extended our time resolution to support fractional seconds like 2017-05-17T15:44:31. parser python [OUTPUT] name stdout match * Rename time cri_time [FILTER] Name multiline Alias multiline-go-python-java Match kube. filter stage. parser go, java, python [OUTPUT] Name opensearch Jul 8, 2021 · You actually need 2 multiline detections to make this work. Logs will be re-emitted by the multiline Filters. May 9, 2023 · A multiline parser is defined in the parser’s configuration file by using a [MULTILINE_PARSER] section definition, which must have a unique name, a type, and other associated properties for each type. If you add multiple parsers to your Parser filter as newlines (for non-multiline parsing as multiline supports comma seperated) eg. Executed the fluent bit with tail input, rewrite_tag filters, multiline filters and stdout output. conf の書き方は、必要に応じて Multiline - Fluent Bit: Official Manual を参照ください。 初心者の私は深追いすると辛そうだったので、multiline. Jun 18, 2024 · To handle multiline log messages properly, we will need to configure the multiline parser in Fluent Bit. Apr 23, 2023 · here I am using fluentbit to send pods logs into cloudwatch but it inserting every message as single log instead of that how i can push multiple logs into single message. Lists parsers to be used by components like inputs, processors, filters, or output plugins. Fluent Bit has many built-in multiline parsers for common log formats like Docker, CRI, Go, Python and Java. com port 514 mode tcp syslog_format rfc5424 syslog_hostname_preset my-hostname syslog_appname_preset my-appname syslog_message_key log Bug Report Describe the bug Hi. To understand which Multiline parser type is required for your use case you have to know beforehand what are the conditions in the content that determines the beginning of a multiline message and the continuation of subsequent lines. formatN, where N's range is [1. You can use the modify filter to change the name of this key. hiruta (@web_se) java, pythonのStackTraceにまたがる場合に有益な Multiline filter pluginについて Self introduction 【名前】 s. parser python-multiline-regex-test [OUTPUT] Name es Match * Host 192. Regex: ^\s\n; What makes the other lines in a log message. 29. key_content log # the same behaviour using python and java parser multiline. C Library API; Ingest Records Manually; Golang Output Plugins; WASM Filter Plugins Time resolution and it format supported are handled by using the strftime(3) libc system function. 663 | INFO | uvicorn. 12 までは Fluent Bit の [MULTILINE_PARSER May 15, 2023 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 8, we have released a new Multiline core functionality. http Oct 18, 2023 · The above Parser was operated using the parser filter in the Filter Pipeline. The plugin needs a parser file which defines how to parse each field. Logs will be re-emitted by the multiline Apr 8, 2025 · To know more about multi-line parsers, refer to this documentation. Sep 29, 2022 · [SERVICE] flush 1 log_level info parsers_file parsers_multiline. key_content: Key name that holds the content to process. Basically everything that does not look like a start, should be a continuation: is a fast and lightweight telemetry agent for logs, metrics, and traces for Linux, macOS, Windows, and BSD family operating systems. log Read_from_head true Multiline. 1、日志文件处理流程. 创建 Python 脚本文件。 在 multiline-app 文件夹中，创建一个文件并将其命名为 main. I need to configure multiline parsing for python app in k8s env. This will cause an infinite loop in the Fluent Bit pipeline; to use multiple parsers on the same logs, configure a single filter definitions with a comma separated list of parsers for multiline. I find the simplest way to understand FireLens is to use it, so in the rest of this blog post, I’m going to demonstrate using FireLens with a container in Amazon ECS , forwarding the container logs on to Amazon Jul 8, 2021 · You actually need 2 multiline detections to make this work. conf 中，使用您之前创建的自定义 Fluent Bit 配置配置多行解析器。 请注意多行解析器是如何按名称 （“multiline-regex” 从下一个代码片段中的 [MULTILINE_PARSER] 块到上一个代码片段中的 [FILTER] 块匹配 The Multiline parser must have a unique name and a type plus other configured properties associated with each type. Aug 3, 2021 · Multiline ParsingConceptsBuilt-in Multiline ParsersConfigurable Multiline ParsersLines and StatesRules DefinitionConfiguration Example Fluent Bit 是适用于 Linux、Windows、嵌入式 Linux、MacOS 和 BSD 系列操作系统的快速日志处理 Jun 14, 2022 · Fluent-bit FILTER configuration is set to match tags to process multiline. multiline. Fluent Bit simplifies this with built-in and custom multi-line parsers, offering flexibility at both input and filter stages. Sep 3, 2024 · We are having the same issue. Modiify filter to rename key "log": The multiline parser must have a unique name and a type, plus other configured properties associated with each type. 文档适用版本：V2. parser go, multiline-regex-test [FILTER] Name parser match * Key_Name log Parser sample [OUTPUT] name stdout match * You signed in with another tab or window. tag = tag; return 1, timestamp, record end call inline_filter Understanding the Lua filter plugin The Lua function takes three arguments, which are automatically supplied by Fluent Bit every time it calls a function on a matching record. pF below image below is my updated configmap which i have tried by adding parser cri and filter as multiline but didnt work. A common use case for filtering is Kubernetes deployments. Oct 20, 2022 · Bug Report Describe the bug I have the following scenario: graph LR; INPUT-->FILTER_MULTILINE; FILTER_MULTILINE-->FILTER_PARSER; FILTER_PARSER-->OUTPUT Loading The multi-line filter is used to concatenate the log lines and the result is Jan 3, 2024 · I want to parse some python logs (from aodh-evaluator) with fluentbit and multiline parsing doesn`t work. Mar 14, 2025 · [SERVICE] flush 1 log_level info parsers_file parsers_multiline. Fluent-bit OUTPUT set to put them to elastic index (OpenSearch). Executed the fluent bit with tail input, multiline filters and s3 output. Jan 29, 2024 · Fluent Bit日志采集终端. There is one non-obvious issue causing the service to not start immediately. Consider this example. 13 JAWS-UG 東京 #12 s. 0. Oct 14, 2024 · [FILTER] Name multiline Match * multiline. Mar 12, 2024 · Bug Report Hello! I have faced an issue when I try to add [MULTILINE_PARSER] block in customParsers field of fluent-bit chart following the official documentation and defining this parser in one of filters in [FILTER] block, which throws Jul 12, 2024 · #Default values for fluentbit-operator. Jul 13, 2024 · Challenges. We are using multi-line parser for java traces. log [FILTER] Name kubernetes Match kube. Available on Fluent Bit >= v1. # Set this to containerd or crio if you want to collect CRI format logs containerRuntime: containerd # If you want to deploy a default Fluent Bit pipeline (including Fluent Bit Input, Filter, and output) to collect Kubernetes logs, you'll need to set the Kubernetes Jun 17, 2024 · [SERVICE] Flush 1 Log_Level info Parsers_File multiline_parsers. #로그파일 [INFO ] 2022-10 The Multiline parser must have a unique name and a type plus other configured properties associated with each type. * Fluent Bit for Developers. *. Dec 13, 2022 · This parser will help when handling standard python logs, Regarding your question about removing the "log" key, all records/logs in Fluent Bit must get structured in a map; hence, one key must always exist. May 7, 2024 · 一. [Filter] Name Parser Match * Parser parse_common_fields Parser json Key_Name log Oct 7, 2024 · We’ll work with the following Fluent Bit configuration: [INPUT] Name tail Tag kube. protocols. They are split into multiple messages. Note that a Multiline Parser definition can already specify the key_content to use, but this option allows to overwrite that value for the purpose of the filter. sqlalchemy. May 1, 2024 · The project is in Python, and occasionally I'll get a multi-line traceback. I'm trying to use fluent bit to capture logs from my python application running in kubernetes and send them to elastic search. I'm using the tail input and my logs are in json format. Reload to refresh your session. yourserver. Plugins: Inputs, Filters and Outputs Fluent Bit is based in a pluggable architecture where different plugins plays a major role in the data pipeline: The Multiline parser must have a unique name and a type plus other configured properties associated with each type. Multi-line parsing is a key feature of Fluent Bit. logstash常用filter插件简介Filter插件主要用于对日志数据进行转换和解析，常用的Filter插件包括：geoip、ml-search[grok]、mutate、multiline和data。 常用Filter组件及其功能，Logstash常用filter插件官方 指导文档GeoIP：GeoIP插件的主要功能是根据IP地址解析并添加地理位置信息 May 25, 2023 · A multiline parser is defined in the parser’s configuration file by using a [MULTILINE_PARSER] section definition, which must have a unique name, a type, and other associated properties for each type. Fluent Bit support many filters. Each available filter can be used to match, exclude, or enrich your logs with specific metadata. parser multiline-regex 接下来，在 parsers. Parsing multi-line logs: Input stage vs. hiruta ( @web_se ) 【仕事】 コンテナ、マイクロサービス基盤構築 【興味分野】. C Library API; Ingest Records Manually; Golang Output Plugins; WASM Filter Plugins Mar 13, 2023 · Background and Overview. * Oct 23, 2023 · AWS Fargate と Amazon ECS で FireLens (Fluent Bit) を使うときに「init プロセス」を活用すれば設定ファイルを Amazon S3 から自動的に読み取れるようになるよ ️という便利機能は以下の記事にまとめてある📝 kakakakakku. The regex filter can then be used to extract structured data from the parsed multiline log messages. Contribute to seanpm2001/Fluent_Fluent-Bit-Docs development by creating an account on GitHub. Like input plugins, filters run in an instance context, which has its own independent configuration. 0 Port 24224 [FILTER] Name multiline Match app. Jun 24, 2022 · 由于日志采集器的实现方式和标准不一样，所以具体如何处理多行日志不同的采集器也会不一样的，比如这里我们使用 Fluentd 来作为日志采集器，那么我们就可以使用 multiline 这个解析器来处理多行日志。 Dec 15, 2020 · We also then use the multiline option within the tail plugin. Learn how to monitor your Fluent Bit data pipelines You signed in with another tab or window. 2). 이때, input을 tail로 하고 파일에서 로그를 읽어오다 보니, 하나의 로그가 여러줄로 이루어져 있는경우에 각 줄이 다른 로그로 인식되어 전달 된다. backend* buffer on multiline. Jan 20, 2024 · Problem statement: I have deployed custom-fluent-deployment to achieve multiline parsing, but Its not working as expected but facing issue is Some traces are appearing in a single log entry, while others are still being displayed across Fluent Bit - Official Documentation. Storage Plugins Using fluent-logger-python. 0 HTTP_Port 2020 Health_Check On [FILTER] Name parser Match jarvis. You can have a check on that. Multiline Filter python and go languages. We turn on multiline processing and then specify the parser we created above, multiline. Some logs are produced by Erlang or Java processes that use it extensively. * Key_Name log Parser log_timestamp Preserve_Key On Reserve_Data On In other words, Full Configure is as follows. You switched accounts on another tab or window. Jan 17, 2024 · Fluentbit kubernetes - Indexing based on namespace Hi Folks, We want to create the index based on namespace, for eg: if we have a, b, c namespaces the index should be test-a-, test-b-, test-c-* (here test is the prefix). As part of the built-in functionality, without major configuration effort Jun 21, 2022 · AWS Fluent Bit now supports a multiline filter, a capability that helps concatenate partial log messages that originally belong to one context but were split across multiple records or log lines for both ECS EC2 and Fargate. This might be related to #1732 To Reproduce Have lots of log files in a folder and let fluentbit read these and send them Fluent Bit for Developers. In the journal, each line is a separate entry. But when the json_log is bigger than 16384 chars, eve description: >- Concatenate Multiline or Stack trace log messages. Mar 14, 2025 · Multi-line logs, like Python stack traces and custom application outputs, require careful handling to maintain their context and usefulness. parser java I can see in your screenshot, that you are trying to parse java stacttrace, for that you can use build-in java parser, so you do not need multiline-regex-cri . Jan 6, 2025 · This is particularly useful for handling logs from applications like Java or Python, where errors and stack traces can span several lines. These are java springboot applications. Asking for help, clarification, or responding to other answers. You signed out in another tab or window. Bug Report Describe the bug Hello Multiline filter is crashing on pods that generate a large amount of logs after reaching Emitter_Mem_Buf_Limit . py という名前を付けます。 ファイルに次のコンテンツを貼り付けます。 The multiline parser plugin parses multiline logs. * Path /var/log/containers/*. The parser contains two rules: the first rule transitions from start_state to cont when a matching log entry is detected, and the second rule continues to match subsequent lines. As seen in the Fluent Bit configuration (apiKey ${apiKey_0}), the API key is retrieved from the apiKey_0 variable saved by AWS Secret Manager. Query. conf Parsers_file p. Each approach has distinct Nov 12, 2021 · Fluent Bit support parsing multi-line messages, you just have to identify: What identifies the first line of a log message. C Library API; Ingest Records Manually; Golang Output Plugins; WASM Filter Plugins Jan 17, 2024 · Fluentbit kubernetes - Indexing based on namespace Hi Folks, We want to create the index based on namespace, for eg: if we have a, b, c namespaces the index should be test-a-, test-b-, test-c-* (here test is the prefix). The extracted fields can be used to enrich your log description: >- Concatenate Multiline or Stack trace log messages. 5 true This is example"}. py。 将以下内容粘贴到该文件中： Sep 28, 2023 · [FILTER] Name lua Match * code function inline_filter(tag, timestamp, record)record. This will cause an infinite loop in the Fluent Bit pipeline; to use multiple parsers on the same logs, configure a single filter definitions with a comma separated list of parsers for multiline. txt read_from_head true [FILTER] name multiline match * multiline. Filter Plugins. The multiline parser parses log with formatN and format_firstline parameters. In your case all the messages start with a space followed by a newline (\n) character. May 25, 2023 · A multiline parser is defined in the parser’s configuration file by using a [MULTILINE_PARSER] section definition, which must have a unique name, a type, and other associated properties for each type. * [OUTPUT] Name es Match * Host Port 443 description: >- Concatenate Multiline or Stack trace log messages. 그래서 아래와 같은 예시처럼 가독성이 매우 떨어지는 문제가 발생했다. Setting up a filter worked for the multiline issue: Fluentbit with mycat multiline Jan 12, 2022 · The built-in docker parser in the tail plugin will take care of the docker logs format, and then the second built-in parser in the multiline filter section will process the Python multiline records. Aug 3, 2021 · You can specify multiple multiline parsers to detect different formats by separating them with a comma. conf) which may include other REGEX filters. Buffer Plugins. Name. Aug 11, 2020 · [FILTER] # nest filter allows to place data in a map Name nest # all logs will go through this filter Match * # you can place data in a map using 'nest' or move the data up using 'lift' Operation nest # the wildcard will nest what matches the key Wildcard * # the data will be mapped under a field named json Nest_under json [FILTER] # using Feb 2, 2023 · [FILTER] name multiline match * multiline. To understand which multiline parser type is required for your use case you have to know the conditions in the content that determine the beginning of a multiline message, and the continuation of subsequent lines. This is exclusive with n May 9, 2020 · これは、なにをしてくて書いたもの？ Fluent Bitで、複数行のログ（Multiline）を読み込んでみることを、試してみようかなと。 Multiline Fluent Bitで複数行のログを読み込むためには、tail inputプラグインの設定を調整します。 Tail - Fluent Bit: Official Manual 設定は、こちらに記載があります。 Multiline Fluent Bit for Developers. May 19, 2020 · Bug Report Describe the bug After running fluentbit a while it will stop sending data and hang with high cpu usage. Here’s an example of using a built-in multiline parser for Java logs: This will cause an infinite loop in the Fluent Bit pipeline; to use multiple parsers on the same logs, configure a single filter definitions with a comma separated list of parsers for multiline. 06. This is exclusive with multiline_start_regex: nil: multiline_start_regexp: The regexp to match beginning of multiline. For the LUA filter plugin, it runs when libluajit is installed on the system and fluent bit is built with FLB_LUAJIT and FLB_PREFER_SYSTEM_LIB_LUAJIT on. Our CPU spike to 100% after 7-8 hours and memory also grows significantly and then fluent-bit stops sending logs to description: >- Concatenate Multiline or Stack trace log messages. 213 Port 9200 Index multi-line-log HTTP_User elastic HTTP_Passwd uatVhRen Suppress_Type_Name On The Multiline parser must have a unique name and a type plus other configured properties associated with each type. Apr 8, 2025 · Configurable Multi-line Parser: In addition to the built-in parsers listed above, you can define your own multi-line parsers with your rules through the configuration files. conf Daemon Off HTTP_Server On HTTP_Listen 0. Customized multiline-parsers can be also defined as part of the configuration Mar 17, 2023 · It is working for me using a variant of your negative lookahead regex idea (fluent-bit 2. Multiline. 31. As part of Fluent Bit v1. * multiline. fbiemdib csyuyd tyj canyig yhyr wsshlk gxvu qdwglx oyv bsm