[ https://issues.apache.org/jira/browse/HBASE-24051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
shenshengli updated HBASE-24051: -------------------------------- Priority: Major (was: Critical) > When the data directory is set to EC,the amount of storefiles reaches a > relatively high level,heap Occupancy Percent is above heap occupancy alarm > watermark,resulting in frequent gc and eventual failure > ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: HBASE-24051 > URL: https://issues.apache.org/jira/browse/HBASE-24051 > Project: HBase > Issue Type: Bug > Affects Versions: 2.0.1 > Reporter: shenshengli > Priority: Major > Attachments: 1.png > > > When the data directory is set to EC, during the continuous load process, > regionserver is found down ,to view the log: > regionserver.HeapMemoryManager: heapOccupancyPercent 0.91630864 is now below > the heap occupancy alarm watermark (0.95) > regionserver.HeapMemoryManager: heapOccupancyPercent 0.969546 is above heap > occupancy alarm watermark (0.95) > [JvmPauseMonitor] util.JvmPauseMonitor: Detected pause in JVM or host machine > (eg GC): pause of approximately 1254ms > GC pool 'G1 Young Generation' had collection(s): count=2 time=115ms > GC pool 'G1 Old Generation' had collection(s): count=1 time=1487ms > In particular, GC pauses occurred 283 times in half an hour. > The memory analysis found that most of the memory footprint was generated by > HeepByteBuffer,and DFSStripedInputStream produces the HeepByteBuffer > See HDFS-14308,but after the fix, hbase did not return to normal. -- This message was sent by Atlassian Jira (v8.3.4#803005)