[HBASE-19281] Snapshot creation failed after splitting table (replica region > 1)

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 1.3.1
• Component/s: snapshots
• Assignee: Pankaj Kumar
• Reporter: Chandra Sekhar
• Created: 16/Nov/17 13:23
• Updated: 01/Feb/19 19:57
• Resolved: 21/Feb/18 23:20

Description

Snapshot creation failed with below error when tried on table with multiple replica region,

hbase(main):025:0> snapshot 't1','t1_snap'
2017-11-16 18:04:27,930 DEBUG [main] client.HBaseAdmin: Waiting a max of 300000 ms for snapshot '{ ss=t1_snap table=t1 type=FLUSH }'' to complete. (max 42857 ms per retry)
2017-11-16 18:04:27,930 DEBUG [main] client.HBaseAdmin: (#1) Sleeping: 100ms while waiting for snapshot completion.
2017-11-16 18:04:28,030 DEBUG [main] client.HBaseAdmin: Getting current status of snapshot from master...
2017-11-16 18:04:28,035 DEBUG [main] client.HBaseAdmin: (#2) Sleeping: 200ms while waiting for snapshot completion.
2017-11-16 18:04:28,236 DEBUG [main] client.HBaseAdmin: Getting current status of snapshot from master...
2017-11-16 18:04:28,238 DEBUG [main] client.HBaseAdmin: (#3) Sleeping: 300ms while waiting for snapshot completion.
2017-11-16 18:04:28,538 DEBUG [main] client.HBaseAdmin: Getting current status of snapshot from master...

ERROR: org.apache.hadoop.hbase.snapshot.HBaseSnapshotException: Snapshot { ss=t1_snap table=t1 type=FLUSH } had an error.  Procedure t1_snap { waiting=[] done=[] }
        at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.isSnapshotDone(SnapshotManager.java:354)
        at org.apache.hadoop.hbase.master.MasterRpcServices.isSnapshotDone(MasterRpcServices.java:1091)
        at org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2418)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:123)
        at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:191)
        at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:168)
Caused by: org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException via Failed taking snapshot { ss=t1_snap table=t1 type=FLUSH } due to exception:Manifest region info {ENCODED => 3158abebd655fca73cd87b6e84584197, NAME => 't1,,1510826577196_0002.3158abebd655fca73cd87b6e84584197.', STARTKEY => '', ENDKEY => '', OFFLINE => true, SPLIT => true, REPLICA_ID => 2}doesn't match expected region:{ENCODED => 73aa1a133d3344a67afa46ee135e389a, NAME => 't1,,1510826577196.73aa1a133d3344a67afa46ee135e389a.', STARTKEY => '', ENDKEY => '', OFFLINE => true, SPLIT => true}:org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException: Manifest region info {ENCODED => 3158abebd655fca73cd87b6e84584197, NAME => 't1,,1510826577196_0002.3158abebd655fca73cd87b6e84584197.', STARTKEY => '', ENDKEY => '', OFFLINE => true, SPLIT => true, REPLICA_ID => 2}doesn't match expected region:{ENCODED => 73aa1a133d3344a67afa46ee135e389a, NAME => 't1,,1510826577196.73aa1a133d3344a67afa46ee135e389a.', STARTKEY => '', ENDKEY => '', OFFLINE => true, SPLIT => true}
        at org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher.rethrowException(ForeignExceptionDispatcher.java:83)
        at org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler.rethrowExceptionIfFailed(TakeSnapshotHandler.java:315)
        at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.isSnapshotDone(SnapshotManager.java:344)
        ... 6 more
Caused by: org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException: Manifest region info {ENCODED => 3158abebd655fca73cd87b6e84584197, NAME => 't1,,1510826577196_0002.3158abebd655fca73cd87b6e84584197.', STARTKEY => '', ENDKEY => '', OFFLINE => true, SPLIT => true, REPLICA_ID => 2}doesn't match expected region:{ENCODED => 73aa1a133d3344a67afa46ee135e389a, NAME => 't1,,1510826577196.73aa1a133d3344a67afa46ee135e389a.', STARTKEY => '', ENDKEY => '', OFFLINE => true, SPLIT => true}
        at org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier.verifyRegionInfo(MasterSnapshotVerifier.java:220)
        at org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier.verifyRegions(MasterSnapshotVerifier.java:198)
        at org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier.verifySnapshot(MasterSnapshotVerifier.java:118)
        at org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler.process(TakeSnapshotHandler.java:202)
        at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:129)
        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:745)

Steps to reproduce:

1. create 't1','cf1', {REGION_REPLICATION => 3}
2. put 't1','r1','cf1:C1','1'
3. split 't1','m'
4. snapshot 't1','t1_snap'

Issue Links

• Is contained by: HBASE-18223 Track the effort to improve/bug fix read replica feature