Viraj Jasani created PHOENIX-7076:
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Summary: MetaDataRegionObserver#postOpen hook should delay
executing truncate stats
Key: PHOENIX-7076
URL: https://issues.apache.org/jira/browse/PHOENIX-7076
Project: Phoenix
Issue Type: Bug
Reporter: Viraj Jasani
For older versions upgrading to 4.7+, we perform deletion of all rows on
SYSTEM.STATS table one time. This is done only if column "UPGRADE_TO_4_7" does
not exist on SYSTEM.CATALOG.
Since this task is performed in a daemon thread as part of region#postOpen
coproc hook, it might get stuck accessing SYSTEM.CATALOG table if the region
open gets delayed for some reason.
Similar to BuildIndexScheduleTask that gets scheduled with 10s of initial delay
(by default), we should perform truncate stats as a delayed task, even though
it does not require any repetition.
{code:java}
2023-10-11 22:51:09,728 DEBUG [Thread-60] client.RpcRetryingCallerImpl -
n$ClientServiceBlockingInterfaceWrapper.doCall(ServerConnectionUtils.java:163)
at
org.apache.hadoop.hbase.client.ServerConnectionUtils$ShortCircuitingClusterConnection$ClientServiceBlockingInterfaceWrapper.get(ServerConnectionUtils.java:131)
at
org.apache.hadoop.hbase.client.ClientServiceCallable.doGet(ClientServiceCallable.java:51)
at org.apache.hadoop.hbase.client.HTable$1.rpcCall(HTable.java:364)
at org.apache.hadoop.hbase.client.HTable$1.rpcCall(HTable.java:359)
at
org.apache.hadoop.hbase.client.RegionServerCallable.call(RegionServerCallable.java:124)
at
org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:104)
at org.apache.hadoop.hbase.client.HTable.get(HTable.java:370)
at org.apache.hadoop.hbase.client.HTable.get(HTable.java:343)
at org.apache.phoenix.util.UpgradeUtil.truncateStats(UpgradeUtil.java:2057)
at
org.apache.phoenix.coprocessor.MetaDataRegionObserver$1$1.run(MetaDataRegionObserver.java:182)
at
org.apache.phoenix.coprocessor.MetaDataRegionObserver$1$1.run(MetaDataRegionObserver.java:179)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1962)
at org.apache.hadoop.security.SecurityUtil.doAsUser(SecurityUtil.java:514)
at
org.apache.hadoop.security.SecurityUtil.doAsLoginUser(SecurityUtil.java:495)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.hbase.util.Methods.call(Methods.java:39)
at org.apache.hadoop.hbase.security.User.runAsLoginUser(User.java:178)
at
org.apache.phoenix.coprocessor.MetaDataRegionObserver$1.run(MetaDataRegionObserver.java:179)
at java.lang.Thread.run(Thread.java:750) {code}
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