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Nick Dimiduk commented on HBASE-26411: -------------------------------------- Can we resolve this as a duplicate of one of HBASE-26679 or HBASE-26715? > Wal do not roll and write a big wal > ------------------------------------ > > Key: HBASE-26411 > URL: https://issues.apache.org/jira/browse/HBASE-26411 > Project: HBase > Issue Type: Bug > Affects Versions: 2.4.8 > Reporter: Lijin Bin > Priority: Major > > We see wal have long time to roll and write a big wal which has 3TB. > And according to the jstack we can see the wal create hang. > {code} > "regionserver/11.149.48.227:60020.logRoller" #667 daemon prio=5 os_prio=0 > cpu=116916.81ms elapsed=447455.26s tid=0x00007fa35d231000 nid=0xbdd2 waiting > on condition [0x00007f79c7407000] > java.lang.Thread.State: WAITING (parking) > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <0x00007f9f10df5158> (a > java.util.concurrent.CompletableFuture$Signaller) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) > at > java.util.concurrent.CompletableFuture$Signaller.block(CompletableFuture.java:1707) > at > java.util.concurrent.ForkJoinPool.managedBlock(ForkJoinPool.java:3323) > at > java.util.concurrent.CompletableFuture.waitingGet(CompletableFuture.java:1742) > at > java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908) > at > org.apache.hadoop.hbase.regionserver.wal.AsyncProtobufLogWriter.write(AsyncProtobufLogWriter.java:178) > at > org.apache.hadoop.hbase.regionserver.wal.AsyncProtobufLogWriter.writeMagicAndWALHeader(AsyncProtobufLogWriter.java:191) > at > org.apache.hadoop.hbase.regionserver.wal.AbstractProtobufLogWriter.init(AbstractProtobufLogWriter.java:170) > at > org.apache.hadoop.hbase.wal.AsyncFSWALProvider.createAsyncWriter(AsyncFSWALProvider.java:113) > at > org.apache.hadoop.hbase.regionserver.wal.AsyncFSWAL.createWriterInstance(AsyncFSWAL.java:615) > at > org.apache.hadoop.hbase.regionserver.wal.AsyncFSWAL.createWriterInstance(AsyncFSWAL.java:126) > at > org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL.rollWriter(AbstractFSWAL.java:763) > at > org.apache.hadoop.hbase.regionserver.LogRoller.run(LogRoller.java:184) > at java.lang.Thread.run(Thread.java:748) > {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)