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https://issues.apache.org/jira/browse/HBASE-26465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chenglei updated HBASE-26465:
-----------------------------
Description:
HBASE-26144 moved {{MemStore.clearSnapshot}} out of write lock of
{{HStore#lock}}, but because {{MemStore.clearSnapshot}} closed
{{DefaultMemStore#snapshot}} which may be used by
{{DefaultMemStore#getScanners}}, when {{DefaultMemStore#getScanners}} and
{{MemStore.clearSnapshot}} execute conurrently, {{MemStoreLAB}} used by
{{DefaultMemStore#snapshot}} may be released early when its {{SegmentScanner
}} is scanning.
Considering follow thread
was:HBASE-26144 moved {{MemStore.clearSnapshot}} out of write lock of
{{HStore#lock}}, but because {{MemStore.clearSnapshot}} closed
{{DefaultMemStore#snapshot}} which may be used by
{{DefaultMemStore#getScanners}}, when {{DefaultMemStore#getScanners}} and
{{MemStore.clearSnapshot}} execute conurrently, {{MemStoreLAB}} used by
{{DefaultMemStore#snapshot}} may be released early when its {{SegmentScanner
}} is scanning.
> MemStoreLAB may be released early when its SegmentScanner is scanning
> ---------------------------------------------------------------------
>
> Key: HBASE-26465
> URL: https://issues.apache.org/jira/browse/HBASE-26465
> Project: HBase
> Issue Type: Bug
> Affects Versions: 3.0.0-alpha-1, 2.4.8
> Reporter: chenglei
> Priority: Critical
>
> HBASE-26144 moved {{MemStore.clearSnapshot}} out of write lock of
> {{HStore#lock}}, but because {{MemStore.clearSnapshot}} closed
> {{DefaultMemStore#snapshot}} which may be used by
> {{DefaultMemStore#getScanners}}, when {{DefaultMemStore#getScanners}} and
> {{MemStore.clearSnapshot}} execute conurrently, {{MemStoreLAB}} used by
> {{DefaultMemStore#snapshot}} may be released early when its {{SegmentScanner
> }} is scanning.
> Considering follow thread
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