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  1. OpenShift Logging
  2. LOG-3299

Collector pod intermittently not sending logs to external kafka

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    • NEW
    • Log Collection - Sprint 230, Log Collection - Sprint 231, Log Collection - Sprint 232, Log Collection - Sprint 233, Log Collection - Sprint 234, Log Collection - Sprint 236

    Description

      Description of problem: 

      Collector pod intermittently not  sending logs to external kafka

      Version-Release number of selected component (if applicable):

      $ oc get csv -n openshift-logging
      NAME                                     DISPLAY                                          VERSION    REPLACES                                 PHASE
      cluster-logging.5.5.4                    Red Hat OpenShift Logging                        5.5.4      cluster-logging.5.4.7                    Succeeded
      elasticsearch-operator.5.5.4             OpenShift Elasticsearch Operator                 5.5.4      elasticsearch-operator.5.5.3             Succeeded 

      How reproducible: 

      NA

      Additional info:

      logs of collector pod(collector-gknrg) : 
      
      2022-11-15 08:50:43 +0000 [warn]: [app_logs] chunk bytes limit exceeds for an emitted event stream: 3303866bytes
      2022-11-15 08:50:43 +0000 [warn]: [app_logs] Send exception occurred: closed stream
      2022-11-15 08:50:43 +0000 [warn]: [app_logs] Exception Backtrace : /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/buffer/file_chunk.rb:170:in `seek'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/buffer/file_chunk.rb:170:in `open'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/event.rb:314:in `each'
      /usr/local/share/gems/gems/fluent-plugin-kafka-0.17.5/lib/fluent/plugin/out_kafka2.rb:247:in `write'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/output.rb:1179:in `try_flush'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/output.rb:1500:in `flush_thread_run'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/output.rb:499:in `block (2 levels) in start'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin_helper/thread.rb:78:in `block in thread_create'
      2022-11-15 08:50:43 +0000 [warn]: [app_logs] failed to flush the buffer. retry_times=1 next_retry_time=2022-11-15 08:50:46 +0000 chunk="5ed792142cf607ecca448fd4a5fbc83d" error_class=IOError error="closed stream"
        2022-11-15 08:50:43 +0000 [warn]: suppressed same stacktrace
      2022-11-15 08:50:43 +0000 [warn]: [app_logs] Send exception occurred: closed stream
      2022-11-15 08:50:43 +0000 [warn]: [app_logs] Exception Backtrace : /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/buffer/file_chunk.rb:170:in `seek'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/buffer/file_chunk.rb:170:in `open'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/event.rb:314:in `each'
      /usr/local/share/gems/gems/fluent-plugin-kafka-0.17.5/lib/fluent/plugin/out_kafka2.rb:247:in `write'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/output.rb:1179:in `try_flush'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/output.rb:1500:in `flush_thread_run'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/output.rb:499:in `block (2 levels) in start'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin_helper/thread.rb:78:in `block in thread_create'
      2022-11-15 08:50:43 +0000 [warn]: [app_logs] Send exception occurred: closed stream
      2022-11-15 08:50:43 +0000 [warn]: [app_logs] Exception Backtrace : /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/buffer/file_chunk.rb:170:in `seek'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/buffer/file_chunk.rb:170:in `open'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/event.rb:314:in `each'
      /usr/local/share/gems/gems/fluent-plugin-kafka-0.17.5/lib/fluent/plugin/out_kafka2.rb:247:in `write'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/output.rb:1179:in `try_flush'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/output.rb:1500:in `flush_thread_run'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin/output.rb:499:in `block (2 levels) in start'
      /usr/local/share/gems/gems/fluentd-1.14.6/lib/fluent/plugin_helper/thread.rb:78:in `block in thread_create'
      2022-11-15 08:50:43 +0000 [warn]: [app_logs] failed to flush the buffer. retry_times=1 next_retry_time=2022-11-15 08:50:46 +0000 chunk="5ed7921d031571dddd5bcb7787acdb96" error_class=IOError error="closed stream" 
      $ oc rsh collector-gknrg 
      Defaulted container "collector" out of: collector, logfilesmetricexporter
      sh-4.4# cd /var/lib/fluentd/
      sh-4.4# du -sch *
      27G    app_logs   ---> buffer full
      0    audit_logs
      12K    infra_logs
      880K    pos
      27G    total 

       

      Attachments

        1. Log-3299
          17 kB
          Nikita Jain
        2. Log-3299-1
          17 kB
          Nikita Jain

        Activity

          People

            jcantril@redhat.com Jeffrey Cantrill
            nikijain@redhat.com Nikita Jain
            Anping Li Anping Li
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            Dates

              Created:
              Updated:
              Resolved: