Lijin Bin created HBASE-26411:
---------------------------------

             Summary: Wal do not roll and write a bit 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


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}



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