[ https://issues.apache.org/jira/browse/HBASE-22944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16918323#comment-16918323 ]
Pankaj Kumar commented on HBASE-22944: -------------------------------------- This is little tricky which will happen in below scenario, # HM & RSs are restarted after enabling Space Quota feature. # SpaceQuotaRefresher chore interval is set as very low say 5 sec # So by the time HMaster creates quota table SpaceQuotaRefresherChore executes and throws TNFE. Right [~shardulsingh]? > TableNotFoundException: hbase:quota is thrown when region server is > restarted. > ------------------------------------------------------------------------------- > > Key: HBASE-22944 > URL: https://issues.apache.org/jira/browse/HBASE-22944 > Project: HBase > Issue Type: Bug > Components: Quotas > Reporter: Shardul Singh > Assignee: Shardul Singh > Priority: Minor > > During Master startup if quota feature is enabled and region server is > running TableNotFoundException occurs in regionServer logs > SpaceQuotaRefresherChore does not checks whether hbase:quota table is > present,before starting its operation which sometimes may result to > TableNotFoundExceptions like below. > This is because master has not created the hbase:quota table and > SpaceQuotaRefresherChore is running. > {code:java} > java.io.UncheckedIOException: org.apache.hadoop.hbase. > TableNotFoundException: hbase:quota > at > org.apache.hadoop.hbase.client.ResultScanner$1.hasNext(ResultScanner.java:55) > at > org.apache.hadoop.hbase.quotas.SpaceQuotaRefresherChore.fetchSnapshotsFromQuotaTable(SpaceQuotaRefresherChore.java:170) > at > org.apache.hadoop.hbase.quotas.SpaceQuotaRefresherChore.chore(SpaceQuotaRefresherChore.java:84) > at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:186) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) > at > org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl$JitteredRunnableScheduledFuture.run(JitterScheduledThreadPoolExecutorImpl.java:111) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:748) > {code} > -- This message was sent by Atlassian Jira (v8.3.2#803003)