Vivek Ratnavel Subramanian created HDDS-3117:
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Summary: Recon throws InterruptedException while getting new
snapshot from OM
Key: HDDS-3117
URL: https://issues.apache.org/jira/browse/HDDS-3117
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: Ozone Recon
Affects Versions: 0.5.0
Reporter: Vivek Ratnavel Subramanian
Assignee: Aravindan Vijayan
Recon throws the following exception in a cluster with 21 datanodes and 1
million keys
{code:java}
12:46:23.482 PMINFOOzoneManagerServiceProviderImplObtaining full snapshot from
Ozone Manager
12:47:08.072 PMINFOOzoneManagerServiceProviderImplGot new checkpoint from OM :
/var/lib/hadoop-ozone/recon/om/data/om.snapshot.db_1583181983482
12:47:08.072 PMINFOReconOmMetadataManagerImplCleaning up old OM snapshot db at
/var/lib/hadoop-ozone/recon/om/data/om.snapshot.db_1583174381836.
12:47:08.166 PMINFOReconOmMetadataManagerImplCreated OM DB handle from snapshot
at /var/lib/hadoop-ozone/recon/om/data/om.snapshot.db_1583181983482.
12:47:08.276 PMINFOOzoneManagerServiceProviderImplCalling reprocess on Recon
tasks.
12:47:08.276 PMERROROzoneManagerServiceProviderImplUnable to update Recon's OM
DB with new snapshot
java.lang.InterruptedException
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1302)
at java.util.concurrent.Semaphore.acquire(Semaphore.java:312)
at
org.apache.hadoop.ozone.recon.tasks.ReconTaskControllerImpl.reInitializeTasks(ReconTaskControllerImpl.java:175)
at
org.apache.hadoop.ozone.recon.spi.impl.OzoneManagerServiceProviderImpl.syncDataFromOM(OzoneManagerServiceProviderImpl.java:375)
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
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
{code}
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