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https://issues.apache.org/jira/browse/HDDS-7079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17761054#comment-17761054
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Ethan Rose commented on HDDS-7079:
----------------------------------
This can happen if pipeline creation is slow and the scrubber removes it from
SCM before the datanodes create it, then the datanodes' do get the pipelines
created and report them back to SCM. The system can recover from this on its
own and there is no info here indicating it is an error, so I think we should
close this.
> hdds.scm.pipeline.PipelineActionHandler: Pipeline action CLOSE received for
> unknown pipeline PipelineID=xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
> -------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDDS-7079
> URL: https://issues.apache.org/jira/browse/HDDS-7079
> Project: Apache Ozone
> Issue Type: Bug
> Components: SCM
> Reporter: George Huang
> Assignee: Ethan Rose
> Priority: Major
>
> Noticed multiple entries in scm log that shows pipeline close request for
> unknown pipeline ID. Looks like pipeline info was out of sync? We need to
> investigate why this is happening.
> :
> ozone-scm.log:2022-08-01 05:02:42,767 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=2bbb7ba6-994f-4341-a051-fbf9b968d822, firing close pipeline event.
> ozone-scm.log:2022-08-01 05:02:42,807 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=b00a118f-1249-4fc8-9423-09e457ac6810, firing close pipeline event.
> ozone-scm.log:2022-08-01 05:02:57,964 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=2bbb7ba6-994f-4341-a051-fbf9b968d822, firing close pipeline event.
> ozone-scm.log:2022-08-01 05:03:12,806 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=b00a118f-1249-4fc8-9423-09e457ac6810, firing close pipeline event.
> ozone-scm.log:2022-08-01 05:19:12,786 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=df9c4735-a6bd-426d-80d8-b2b722700f83, firing close pipeline event.
> ozone-scm.log:2022-08-01 05:19:23,324 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=022ab694-c183-4863-b037-5032ff058669, firing close pipeline event.
> ozone-scm.log:2022-08-01 05:28:27,336 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=5159c451-9d92-4647-9b12-230cbc24971f, firing close pipeline event.
> ozone-scm.log:2022-08-01 05:28:33,036 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=792df740-2d57-489f-905c-3400bb0e73ed, firing close pipeline event.
> ozone-scm.log:2022-08-01 16:32:55,388 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=b474b6c1-b4ec-47d0-813a-3e11a9807ccf, firing close pipeline event.
> ozone-scm.log:2022-08-01 16:33:12,821 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=f53e8724-a1a3-4dfd-b4e1-083c04a9bf2f, firing close pipeline event.
> ozone-scm.log:2022-08-01 17:01:03,839 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=6e4b0e63-8a15-435b-a5a6-cbc733a0e79e, firing close pipeline event.
> ozone-scm.log:2022-08-01 17:01:25,005 WARN
> org.apache.hadoop.hdds.scm.pipeline.PipelineActionHandler: Pipeline action
> CLOSE received for *unknown pipeline*
> PipelineID=690bdcb4-c170-4a32-83fb-e675416f539f, firing close pipeline event.
>
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