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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2015/12/11 12:26:11 UTC
[jira] [Updated] (OAK-3139) SNFE in persisted comapation map when
using CLEAN_OLD
[ https://issues.apache.org/jira/browse/OAK-3139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Dürig updated OAK-3139:
-------------------------------
Labels: candidate_oak_1_0 candidate_oak_1_2 compaction gc (was: compaction gc)
> SNFE in persisted comapation map when using CLEAN_OLD
> -----------------------------------------------------
>
> Key: OAK-3139
> URL: https://issues.apache.org/jira/browse/OAK-3139
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: segmentmk
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Priority: Critical
> Labels: candidate_oak_1_0, candidate_oak_1_2, compaction, gc
> Fix For: 1.3.4
>
> Attachments: OAK-3139.patch
>
>
> When using {{CLEAN_OLD}} it might happen that segments of the persisted compaction map get collected. --The reason for this is that only the segment containing the root of the map is pinned ({{SegmentId#pin}}), leaving other segments of the compaction map eligible for collection once old enough.--
> {noformat}
> org.apache.jackrabbit.oak.plugins.segment.SegmentNotFoundException: Segment 95cbb3e2-3a8c-4976-ae5b-6322ff102731 not found
> at org.apache.jackrabbit.oak.plugins.segment.file.FileStore.readSegment(FileStore.java:919)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentTracker.getSegment(SegmentTracker.java:134)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentId.getSegment(SegmentId.java:108)
> at org.apache.jackrabbit.oak.plugins.segment.Record.getSegment(Record.java:82)
> at org.apache.jackrabbit.oak.plugins.segment.MapRecord.getEntry(MapRecord.java:154)
> at org.apache.jackrabbit.oak.plugins.segment.MapRecord.getEntry(MapRecord.java:186)
> at org.apache.jackrabbit.oak.plugins.segment.PersistedCompactionMap.get(PersistedCompactionMap.java:118)
> at org.apache.jackrabbit.oak.plugins.segment.PersistedCompactionMap.get(PersistedCompactionMap.java:100)
> at org.apache.jackrabbit.oak.plugins.segment.CompactionMap.get(CompactionMap.java:93)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.uncompact(SegmentWriter.java:1023)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.writeNode(SegmentWriter.java:1033)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeBuilder.getNodeState(SegmentNodeBuilder.java:100)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore$Commit.<init>(SegmentNodeStore.java:418)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore.merge(SegmentNodeStore.java:204)
> {noformat}
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