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Memory usage growing constantly #121

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tavisma opened this issue Mar 13, 2019 · 0 comments · Fixed by #125
Closed

Memory usage growing constantly #121

tavisma opened this issue Mar 13, 2019 · 0 comments · Fixed by #125

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@tavisma
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tavisma commented Mar 13, 2019

We noticed crazy high memory usage on our fluentd-sumologic pods (it would eat memory until host OOM)
This is using v2.3.0

Our log volume is relatively small (couple gB a day)

Memory resource limits didn't seem to help
Adding the following ENV to the pod spec resolved the issue for us, thought it was worth reporting here for posterity

        # Stop RUBY from growing memory usage constantly
        - name: RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR
          value: "0.9"
granular-ryanbonham added a commit to granular-ryanbonham/fluentd-kubernetes-sumologic that referenced this issue Apr 17, 2019
@granular-ryanbonham
Fixes: SumoLogic#121
8aeb3f2
@granular-ryanbonham granular-ryanbonham mentioned this issue Apr 17, 2019
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Improve Ruby GC granular-ryanbonham/fluentd-kubernetes-sumologic
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@tavisma