Andrew Kyle Purtell created HBASE-26429:
-------------------------------------------
Summary: HeapMemoryManager fails memstore flushes with NPE if
enabled
Key: HBASE-26429
URL: https://issues.apache.org/jira/browse/HBASE-26429
Project: HBase
Issue Type: Bug
Components: Operability, regionserver
Affects Versions: 2.4.8
Reporter: Andrew Kyle Purtell
Assignee: Andrew Kyle Purtell
Fix For: 2.4.9
Nonstandard configuration under test:
{blockquote}
<property>
<name>hfile.block.cache.size.min.range</name>
<value>0.1</value>
</property>
<property>
<name>hfile.block.cache.size.max.range</name>
<value>0.5</value>
</property>
<property>
<name>hbase.regionserver.global.memstore.size.min.range</name>
<value>0.2</value>
</property>
<property>
<name>hbase.regionserver.global.memstore.size.max.range</name>
<value>0.7</value>
</property>
{blockquote}
The NPE:
{noformat}
2021-11-05 21:52:13,828 ERROR [MemStoreFlusher.1] regionserver.MemStoreFlusher:
Cache flusher failed for entry [flush region
IntegrationTestLoadCommonCrawl,com.yeqingteng.www//gysy/28,1636143958130.4be7e8d968cc73cf729cb4713328f729.]
java.lang.NullPointerException
at
org.apache.hadoop.hbase.regionserver.HeapMemoryManager$HeapMemoryTunerChore.flushRequested(HeapMemoryManager.java:402)
at
org.apache.hadoop.hbase.regionserver.MemStoreFlusher.notifyFlushRequest(MemStoreFlusher.java:661)
at
org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:616)
at
org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:586)
at
org.apache.hadoop.hbase.regionserver.MemStoreFlusher.access$1000(MemStoreFlusher.java:68)
at
org.apache.hadoop.hbase.regionserver.MemStoreFlusher$FlushHandler.run(MemStoreFlusher.java:360)
{noformat}
The reason for the NPE is obvious in MemStoreFlusher.java.
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