logstash pipeline out of memory logstash pipeline out of memory

Is "I didn't think it was serious" usually a good defence against "duty to rescue"? at a time and measure the results. I have yet another out of Memory error. Could it be an problem with Elasticsearch cant index something, logstash recognizing this and duns out of Memory after some time? Treatments are made. Batch: Also note that the default is 125 events. What version are you using and how many cores do your server have? What makes you think the garbage collector has not freed the memory used by the events? Should I re-do this cinched PEX connection? Can I use the spell Immovable Object to create a castle which floats above the clouds? However, the pipeline documentation is recommended reading if you want to go beyond these tips. Edit: Here is another image of memory usage after reducing pipeline works to 6 and batch size to 75: For anybody who runs into this and is using a lot of different field names, my problem was due to an issue with logstash here that will be fixed in version 7.17. Hi, before attempting to execute its filters and outputs. I made some changes to my conf files, looks like a miss configuration on the extraction file was causing logstash to crash. I am trying to upload files of about 13 GB into elastic search using logstash 5 Notes on Pipeline Configuration and Performance edit Look for other applications that use large amounts of memory and may be causing Logstash to swap to disk. I have logstash in a docker container that crashes and says out of memory error after restart. You can use the VisualVM tool to profile the heap. By clicking Sign up for GitHub, you agree to our terms of service and If you read this issue you will see that the fault was in the elasticsearch output and was fixed to the original poster's satisfaction in plugin v2.5.3. keystore secrets in setting values. Here is the error I see in the logs. Look for other applications that use large amounts of memory and may be causing Logstash to swap to disk. One of my .conf files. What differentiates living as mere roommates from living in a marriage-like relationship? increasing this number to better utilize machine processing power. But I keep getting Out of Memory error. at io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:640) ~[netty-all-4.1.18.Final.jar:4.1.18.Final] Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Larger batch sizes are generally more efficient, but come at the cost of increased memory logstash-plugins/logstash-input-beats#309. Setting your environment may help to disambiguate between similarly-named nodes in production vs test environments. It is set to the value cores count of CPU cores present for the host. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. See Logstash Directory Layout. config files are read from the directory in alphabetical order. This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. Doubling both will quadruple the capacity (and usage). must be left to run the OS and other processes. Doing so requires both api.ssl.keystore.path and api.ssl.keystore.password to be set. I ran the command two times after build successful and after Pipeline started succesfully: USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND These are just the 5 first lines of the Traceback. Making statements based on opinion; back them up with references or personal experience. Any preferences where to upload it? arabic programmer. 2g is worse than 1g, you're already exhausting your system's memory with 1GB. Ignored unless api.auth.type is set to basic. Also note that the default is 125 events. In general practice, maintain a gap between the used amount of heap memory and the maximum. This is visible in the spiky pattern on the CPU chart. Var.PLUGIN_TYPE3.SAMPLE_PLUGIN4.SAMPLE_KEY2: SAMPLE_VALUE 566), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Memory queue edit By default, Logstash uses in-memory bounded queues between pipeline stages (inputs pipeline workers) to buffer events. The modules definition will have Is it safe to publish research papers in cooperation with Russian academics? CPU utilization can increase unnecessarily if the heap size is too low, resulting in the JVM constantly garbage collecting. 566), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. without overwhelming outputs like Elasticsearch. Java seems to be both, logstash and elasticsearch. You have sniffing enabled in the output, please find my issue, looks like Sniffing causes memory leak. for tuning pipeline performance: pipeline.workers, pipeline.batch.size, and pipeline.batch.delay. Is "I didn't think it was serious" usually a good defence against "duty to rescue"? You may need to increase JVM heap space in the jvm.options config file. By clicking Sign up for GitHub, you agree to our terms of service and On Linux, you can use iostat, dstat, or something similar to monitor disk I/O. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I'll check it out. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. New replies are no longer allowed. When creating pipeline event batches, how long in milliseconds to wait for Why does the narrative change back and forth between "Isabella" and "Mrs. John Knightley" to refer to Emma's sister? separating each log lines per pipeline could be helpful in case you need to troubleshoot whats happening in a single pipeline, without interference of the other ones. I run logshat 2.2.2 and logstash-input-lumberjack (2.0.5) plugin and have only 1 source of logs so far (1 vhost in apache) and getting OOM error as well. There are still many other settings that can be configured and specified in the logstash.yml file other than the ones related to the pipeline. Accordingly, the question is whether it is necessary to forcefully clean up the events so that they do not clog the memory? Specify queue.checkpoint.writes: 0 to set this value to unlimited. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Delay: $ {BATCH_DELAY:65} [2018-04-02T16:14:47,536][INFO ][org.logstash.beats.BeatsHandler] [local: 10.16.11.222:5044, remote: 10.16.11.67:42102] Handling exception: failed to allocate 83886080 byte(s) of direct memory (used: 4201761716, max: 4277534720) Var.PLUGIN_TYPE1.SAMPLE_PLUGIN1.SAMPLE_KEY1: SAMPLE_VALUE There are various settings inside the logstash.yml file that we can set related to pipeline configuration for defining its behavior and working. Larger batch sizes are generally more efficient, but come at the cost of increased memory overhead. How can I solve it? The path to a valid JKS or PKCS12 keystore for use in securing the Logstash API. Specify -w for full OutOfMemoryError stack trace The logstash.yml file is written in YAML. But in debug mode, I see in the logs all the entries that went to elasticsearch and I dont see them being cleaned out. USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND [2018-04-02T16:14:47,536][INFO ][org.logstash.beats.BeatsHandler] [local: 10.16.11.222:5044, remote: 10.16.11.67:42102] Handling exception: failed to allocate 83886080 byte(s) of direct memory (used: 4201761716, max: 4277534720) Var.PLUGIN_TYPE3.SAMPLE_PLUGIN3.SAMPLE_KEY3: SAMPLE_VALUE You can check for this issue by doubling the heap size to see if performance improves. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Logstash is caching field names and if your events have a lot of unique field names, it will cause out of memory errors like in my attached graphs. Set the pipeline event ordering. Doubling the number of workers OR doubling the batch size will effectively double the memory queues capacity (and memory usage). Out of memory error with logstash 7.6.2 Elastic Stack Logstash elastic-stack-monitoring, docker Sevy(YVES OBAME EDOU) April 9, 2020, 9:17am #1 Hi everyone, I have a Logstash 7.6.2 dockerthat stops running because of memory leak. Asking for help, clarification, or responding to other answers. Starting at the end of this list is a less than 4GB and no more than 8GB. Maximum Java heap memory size. Its location varies by platform (see Logstash Directory Layout ). Not the answer you're looking for? When set to rename, Logstash events cant be created with an illegal value in tags. Increase memory via options in docker-compose to "LS_JAVA_OPTS=-Xmx8g -Xms8g". Logstash can only consume and produce data as fast as its input and output destinations can! It should meet default password policy which requires non-empty minimum 8 char string that includes a digit, upper case letter and lower case letter. You signed in with another tab or window. User without create permission can create a custom object from Managed package using Custom Rest API. Warning. This can also be triggered manually through the SIGHUP signal. in memory. First, we can try to understand the usage and purpose of the logstash.yml configuration settings file by considering a small example. ALL RIGHTS RESERVED. To configure logstash, a config file needs to be created, which will contain the details about all the plugins that will be required and the details of settings regarding each of the specified plugins. Possible values are: This option allows the early opt-in (or preemptive opt-out) of ECS compatibility modes in plugins, When enabled, Logstash will retry four times per attempted checkpoint write for any checkpoint writes that fail. Ignored unless api.auth.type is set to basic. rev2023.5.1.43405. Make sure you did not set resource limits (using Docker) on the Logstash container, make sure none of the custom plugins you may have installed is a memory hog. The directory path where the data files will be stored when persistent queues are enabled (queue.type: persisted). For example, an application that generates exceptions that are represented as large blobs of text. Probably the garbage collector fulfills in any certain time. It usually means the last handler in the pipeline did not handle the exception. What do you mean by "cleaned out"? docker stats says it consumes 400MiB~ of RAM when it's running normally and free -m says that I have ~600 available when it crashes. In the more efficiently configured example, the GC graph pattern is more smooth, and the CPU is used in a more uniform manner. this setting makes it more difficult to troubleshoot performance problems Have a question about this project? \t becomes a literal tab (ASCII 9). can you try uploading to https://zi2q7c.s.cld.pt ? In fact, the JVM is often times having to stop the VM for full GCs. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. The two pipelines do the same, the only difference is the curl request that is made. [2018-04-06T12:37:14,849][WARN ][io.netty.channel.DefaultChannelPipeline] An exceptionCaught() event was fired, and it reached at the tail of the pipeline. What should I do to identify the source of the problem? When enabled, Logstash waits until the persistent queue (queue.type: persisted) is drained before shutting down. Advanced knowledge of pipeline internals is not required to understand this guide. Note that the unit qualifier (s) is required. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. java.lang.Runtime.getRuntime.availableProcessors Ensure that you leave enough memory available to cope with a sudden increase in event size. Please try to upgrade to the latest beats input: @jakelandis Excellent suggestion, now the logstash runs for longer times. Should I increase the memory some more? Not the answer you're looking for? logstash 1 80.2 9.9 3628688 504052 ? The screenshots below show sample Monitor panes. The Logstash defaults are chosen to provide fast, safe performance for most I am at my wits end! Most of the settings in the logstash.yml file are also available as command-line flags You can specify settings in hierarchical form or use flat keys. which is scheduled to be on-by-default in a future major release of Logstash. Logstash pipeline configuration is the setting about the details of each pipeline we will have in logstash in the file named logstash.yml. Here is the error I see in the logs. this is extremely helpful! When using the tcp output plugin, if the destination host/port is down, it will cause the Logstash pipeline to be blocked. the higher percentage you can use. Look for other applications that use large amounts of memory and may be causing Logstash to swap to disk. Did the drapes in old theatres actually say "ASBESTOS" on them? They are on a 2GB RAM host. As you are having issues with LS 5 it is as likely as not you are experiencing a different problem. i5 and i7 machine has RAM 8 Gb and 16 Gb respectively, and had free memory (before running the logstash) of ~2.5-3Gb and ~9Gb respectively. Specify queue.checkpoint.acks: 0 to set this value to unlimited. Connect and share knowledge within a single location that is structured and easy to search. We added some data to the JSON records and now the heap memory goes up and gradually falls apart after one hour of ingesting. Share Improve this answer Follow answered Apr 9, 2020 at 11:30 apt-get_install_skill 2,789 10 27 Size: ${BATCH_SIZE} Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Dealing with "java.lang.OutOfMemoryError: PermGen space" error, Error java.lang.OutOfMemoryError: GC overhead limit exceeded, Logstash stopping randomly after few hours, Logstash 6.2.4 crashes when adding an ID to plugin (Expected one of #). And I'm afraid that over time they will accumulate and this will lead to exceeding the memory peak. Which reverse polarity protection is better and why? Find centralized, trusted content and collaborate around the technologies you use most. Powered by Discourse, best viewed with JavaScript enabled. This a boolean setting to enable separation of logs per pipeline in different log files. Then, when we have to mention the settings of the pipeline, options related to logging, details of the location of configuration files, and other values of settings, we can use the logstash.yml file. The password to the keystore provided with api.ssl.keystore.path. Also, can you share what did you added to the json data and what does your message looks now and before? I/O Utilization Such heap size spikes happen in response to a burst of large events passing through the pipeline. But today in the morning I saw that the entries from the logs were gone. As long as the GC pattern is acceptable, heap sizes that occasionally increase to the maximum are acceptable. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Your pipeline batch size is huge. Note that the ${VAR_NAME:default_value} notation is supported, setting a default batch delay Do not increase the heap size past the amount of physical memory. I am trying to ingest JSON records using logstash but am running into memory issues. Which was the first Sci-Fi story to predict obnoxious "robo calls"? Here the docker-compose.yml I used to configure my Logstash Docker. The password to require for HTTP Basic auth. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. By signing up, you agree to our Terms of Use and Privacy Policy. @humpalum thank you! This setting is ignored unless api.ssl.enabled is set to true. logstash.pipeline.plugins.inputs.events.queue_push_duration_in_millis This value, called the "inflight count," determines maximum number of events that can be held in each memory queue. This can happen if the total memory used by applications exceeds physical memory. When AI meets IP: Can artists sue AI imitators? This issue does not make any sense to me, I'm afraid I can't help you with it. Folder's list view has different sized fonts in different folders. If so, how to do it? The default value is set as per the platform being used. The default operating system limits on mmap counts is likely to be too low, which may result in out of memory . Added -w flag now and will gather what I can from the logs. Logstash can read multiple config files from a directory. to your account. setting with log.level: debug, Logstash will log the combined config file, annotating It can be disabled, but features that rely on it will not work as intended. The second pane examines a Logstash instance configured with an appropriate amount of inflight events. WARNING: The log message will include any password options passed to plugin configs as plaintext, and may result in plaintext passwords appearing in your logs! Simple deform modifier is deforming my object, Embedded hyperlinks in a thesis or research paper. Logstash pipeline configuration can be set either for a single pipeline or have multiple pipelines in a file named logstash.yml that is located at /etc/logstash but default or in the folder where you have installed logstash. Some of them are as mentioned in the below table , Hadoop, Data Science, Statistics & others. After each pipeline execution, it looks like Logstash doesn't release memory. The API returns the provided string as a part of its response. For example, inputs show up as. ', referring to the nuclear power plant in Ignalina, mean? How to use logstash plugin - logstash-input-http, Logstash stopping {:plugin=>"LogStash::Inputs::Http"}, Canadian of Polish descent travel to Poland with Canadian passport. Here the docker-compose.yml I used to configure my Logstash Docker. For example, to use If you need it, i can post some Screenshots of the Eclipse Memory Analyzer. This is a guide to Logstash Pipeline Configuration. Logstash requires Java 8 or Java 11 to run so we will start the process of setting up Logstash with: sudo apt-get install default-jre Verify java is installed: java -version openjdk version "1.8.0_191" OpenJDK Runtime Environment (build 1.8.0_191-8u191-b12-2ubuntu0.16.04.1-b12) OpenJDK 64-Bit Server VM (build 25.191-b12, mixed mode) Why the obscure but specific description of Jane Doe II in the original complaint for Westenbroek v. Kappa Kappa Gamma Fraternity? Pipeline Control. Tuning and Profiling Logstash Performance, Dont do well handling sudden bursts of data, where extra capacity in needed for Logstash to catch up. The larger the batch size, the more the efficiency, but note that it also comes along with the overhead for the memory requirement. I will see if I can match the ES logs with Logstash at the time of crash next time it goes down. Sign in The path to the Logstash config for the main pipeline. For example, to use hierarchical form to set the pipeline batch size and batch delay, you specify: pipeline: batch: size: 125 delay: 50 Try starting only ES and Logstash, nothing else, and compare. Open the configuration file of logstash named logstash.yml that is by default located in path etc/logstash. The recommended heap size for typical ingestion scenarios should be no [2018-04-02T16:14:47,536][INFO ][org.logstash.beats.BeatsHandler] [local: 10.16.11.222:5044, remote: 10.16.11.67:42102] Handling exception: failed to allocate 83886080 byte(s) of direct memory (used: 4201761716, max: 4277534720) Well occasionally send you account related emails. (Ep. Entries will be dropped if they Well occasionally send you account related emails. Many Thanks for help !!! The configuration file of logstash.yml is written in the format language of YAML, and the location of this file changes as per the platform the user is using. The bind address for the HTTP API endpoint. A heap dump would be very useful here. by doubling the heap size to see if performance improves. For a complete list, refer to this link. Logstash is a server-side data processing pipeline that can . Var.PLUGIN_TYPE1.SAMPLE_PLUGIN1.SAMPLE_KEY1: SAMPLE_VALUE (Ep. The directory where Logstash will write its log to. What do hollow blue circles with a dot mean on the World Map? Used to specify whether to use or not the java execution engine. The result of this request is the input of the pipeline. Valid options are: Sets the pipelines default value for ecs_compatibility, a setting that is available to plugins that implement an ECS compatibility mode for use with the Elastic Common Schema. *Please provide your correct email id. Provides a way to reference fields that contain field reference special characters [ and ]. @rahulsri1505 If you read this issue you will see that the fault was in the elasticsearch output and was fixed to the original poster's satisfaction in plugin v2.5.3 Find centralized, trusted content and collaborate around the technologies you use most. Plugins are expected to be in a specific directory hierarchy: see that events are backing up, or that the CPU is not saturated, consider Logstash wins out. Link can help you : https://www.elastic.co/guide/en/logstash/master/performance-troubleshooting.html. Logstash pipeline configuration can be set either for a single pipeline or have multiple pipelines in a file named logstash.yml that is located at /etc/logstash but default or in the folder where you have installed logstash. If not, you can find it where you have installed logstash. The total number of inflight events is determined by the product of the. Should I increase the size of the persistent queue? You signed in with another tab or window. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. A string that contains the pipeline configuration to use for the main pipeline. you can specify pipeline settings, the location of configuration files, logging options, and other settings. Already on GitHub? Embedded hyperlinks in a thesis or research paper. \\ becomes a literal backslash \. You can check for this issue The directory that Logstash and its plugins use for any persistent needs. When there are many pipelines configured in Logstash, I tried to start only Logstash and the java application because the conf files I'm testing are connected to the java application and priting the results (later they will be stashing in elasticsearch). What is Wario dropping at the end of Super Mario Land 2 and why? We can even go for the specification of the model inside the configuration settings file of logstash.yml, where the format that is followed should be as shown below , -name: EDUCBA_MODEL1 The value of settings mentioned inside the file can be specified in either flat keys or hierarchical format. This topic was automatically closed 28 days after the last reply. Then results are stored in file. resulting in the JVM constantly garbage collecting. Disk saturation can also happen if youre encountering a lot of errors that force Logstash to generate large error logs. While these have helped, it just delays the time until the memory issues start to occur. The logstash.yml file is written in YAML. (-w) as a first attempt to improve performance. Flag to instruct Logstash to enable the DLQ feature supported by plugins. Why are players required to record the moves in World Championship Classical games? Monitor network I/O for network saturation. I restart it using docker-compose restart logstash. Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? Treatments are made. Ssl 10:55 1:09 /bin/java -Xms1g -Xmx1g -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djruby.compile.invokedynamic=true -Djruby.jit.threshold=0 -XX:+HeapDumpOnOutOfMemoryError -Djava.security.egd=file:/dev/urandom -Xmx1g -Xms1g -cp /usr/share/logstash/logstash-core/lib/jars/animal-sniffer-annotations-1.14.jar:/usr/share/logstash/logstash-core/lib/jars/commons-compiler-3.0.8.jar:/usr/share/logstash/logstash-core/lib/jars/error_prone_annotations-2.0.18.jar:/usr/share/logstash/logstash-core/lib/jars/google-java-format-1.5.jar:/usr/share/logstash/logstash-core/lib/jars/guava-22.0.jar:/usr/share/logstash/logstash-core/lib/jars/j2objc-annotations-1.1.jar:/usr/share/logstash/logstash-core/lib/jars/jackson-annotations-2.9.1.jar:/usr/share/logstash/logstash-core/lib/jars/jackson-core-2.9.1.jar:/usr/share/logstash/logstash-core/lib/jars/jackson-databind-2.9.1.jar:/usr/share/logstash/logstash-core/lib/jars/jackson-dataformat-cbor-2.9.1.jar:/usr/share/logstash/logstash-core/lib/jars/janino-3.0.8.jar:/usr/share/logstash/logstash-core/lib/jars/javac-shaded-9-dev-r4023-3.jar:/usr/share/logstash/logstash-core/lib/jars/jruby-complete-9.1.13.0.jar:/usr/share/logstash/logstash-core/lib/jars/jsr305-1.3.9.jar:/usr/share/logstash/logstash-core/lib/jars/log4j-api-2.9.1.jar:/usr/share/logstash/logstash-core/lib/jars/log4j-core-2.9.1.jar:/usr/share/logstash/logstash-core/lib/jars/log4j-slf4j-impl-2.9.1.jar:/usr/share/logstash/logstash-core/lib/jars/logstash-core.jar:/usr/share/logstash/logstash-core/lib/jars/slf4j-api-1.7.25.jar org.logstash.Logstash [2018-04-02T16:14:47,537][INFO ][org.logstash.beats.BeatsHandler] [local: 10.16.11.222:5044, remote: 10.16.11.67:42102] Handling exception: failed to allocate 83886080 byte(s) of direct memory (used: 4201761716, max: 4277534720). By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy, Explore 1000+ varieties of Mock tests View more, By continuing above step, you agree to our. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Modules may also be specified in the logstash.yml file. Lot of memory available and still crashed. My heapdump is 1.7gb. Already on GitHub? According to Elastic recommandation you have to check the JVM heap: Be aware of the fact that Logstash runs on the Java VM. What are the advantages of running a power tool on 240 V vs 120 V? `docker-elk``pipeline`Logstash 6. The maximum number of ACKed events before forcing a checkpoint when persistent queues are enabled (queue.type: persisted). To learn more, see our tips on writing great answers. As mentioned in the table, we can set many configuration settings besides id and path. I would suggest to decrease the batch sizes of your pipelines to fix the OutOfMemoryExceptions. How to handle multiple heterogeneous inputs with Logstash? Which language's style guidelines should be used when writing code that is supposed to be called from another language? Logstash fails after a period of time with an OOM error. Pipeline.batch.size: 100, While the same values in hierarchical format can be specified as , Interpolation of the environment variables in bash style is also supported by logstash.yml. Share Improve this answer Follow answered Jan 21, 2022 at 13:41 Casey 2,581 5 31 58 Add a comment Your Answer Post Your Answer Obviously these 10 million events have to be kept in memory. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Indexing speed of elasticsearch for 10 million events, How to choose optimal logstash pipleline batch size and delay? Tuning and Profiling Logstash Performance . Persistent queues are bound to allocated capacity on disk. How to force Unity Editor/TestRunner to run at full speed when in background? The destination directory is taken from the `path.log`s setting. Asking for help, clarification, or responding to other answers. but we should be careful because of increased memory overhead and eventually the OOM crashes. Is there anything else i can provide to help find the Bug? You may need to increase JVM heap space in the jvm.options config file. The directory path where the data files will be stored for the dead-letter queue. which version of logstash is this? Logstash provides the following configurable options Basically, it executes a .sh script containing a curl request. Platform-specific. This means that an individual worker will collect 10 million events before starting to process them. User without create permission can create a custom object from Managed package using Custom Rest API. If you combine this I also have logstash 2.2.2 running on Ubuntu 14.04, java 8 with one winlogbeat client logging. When set to true, shows the fully compiled configuration as a debug log message. [2018-04-02T16:14:47,536][INFO ][org.logstash.beats.BeatsHandler] [local: 10.16.11.222:5044, remote: 10.16.11.67:42102] Handling exception: failed to allocate 83886080 byte(s) of direct memory (used: 4201761716, max: 4277534720) Is "I didn't think it was serious" usually a good defence against "duty to rescue"? Lowered pipeline batch size from 125 down to 75. You will have to define the id and the path for all the configuration directories where you might make a logstash run.config property for your pipelines. Thats huge considering that you have only 7 GB of RAM given to Logstash. For anyone reading this, it has been fixed in plugin version 2.5.3. bin/plugin install --version 2.5.3 logstash-output-elasticsearch, We'll be releasing LS 2.3 soon with this fix included. Got it as well before setup to 1GB and after OOM i increased to 2GB, got OOM as well after week.