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From "zhang gang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4030) LoadIncrementalHFiles fails with FileNotFoundException
Date Thu, 30 Nov 2017 07:03:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16272243#comment-16272243
] 

zhang gang commented on HBASE-4030:
-----------------------------------

my question is 
at first time,region server has open and rename hfile successfully, why reopen it at 10x open?

> LoadIncrementalHFiles fails with FileNotFoundException
> ------------------------------------------------------
>
>                 Key: HBASE-4030
>                 URL: https://issues.apache.org/jira/browse/HBASE-4030
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.1
>         Environment: CDH3bu on Ubuntu 4.4.3
>            Reporter: Adam Phelps
>
> -- We've been seeing intermittent failures of calls to LoadIncrementalHFiles.  When this
happens the node that made the call will see a FileNotFoundException such as this:
> 2011-06-23 15:47:34.379566500 java.net.SocketTimeoutException: Call to s8.XXX/67.215.90.38:60020
failed on socket timeout exception: java.net.SocketTi
> meoutException: 60000 millis timeout while waiting for channel to be ready for read.
ch : java.nio.channels.SocketChannel[connected local=/67.215.90.51:51605 remo
> te=s8.XXX/67.215.90.38:60020]
> 2011-06-23 15:47:34.379570500 java.io.FileNotFoundException: java.io.FileNotFoundException:
File does not exist: /hfiles/2011/06/23/14/domainsranked/TopDomainsRan
> k.r3v5PRvK/handling/3557032074765091256
> 2011-06-23 15:47:34.379573500   at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.openInfo(DFSClient.java:1602)
> 2011-06-23 15:47:34.379573500   at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.<init>(DFSClient.java:1593)
> -- Over on the regionserver that was loading this we see that it attempted to load and
hit a 60 second timeout:
> 2011-06-23 15:45:54,634 INFO org.apache.hadoop.hbase.regionserver.Store: Validating hfile
at hdfs://namenode.XXX/hfiles/2011/06/23/14/domainsranked/TopDomainsRank.r3v5PRvK/handling/3557032074765091256
for inclusion in store handling region domainsranked,368449:2011/0/03/23:category:ffffffff:com.zynga.static.fishville.facebook,1305890318961.d4925aca7852bed32613a509215d42b
> 8.
> ...
> 2011-06-23 15:46:54,639 INFO org.apache.hadoop.hdfs.DFSClient: Failed to connect to /67.215.90.38:50010,
add to deadNodes and continue
> java.net.SocketTimeoutException: 60000 millis timeout while waiting for channel to be
ready for read. ch : java.nio.channels.SocketChannel[connected local=/67.215.90.38:42199 remote=/67.215.90.38:50010]
> at org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:164)
> at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:155)
> at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:128)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> at java.io.DataInputStream.readShort(DataInputStream.java:295)
> -- We suspect this particular problem is a resource contention issue on our side.  However,
the loading process proceeds to rename the file despite the failure:
> 2011-06-23 15:46:54,657 INFO org.apache.hadoop.hbase.regionserver.Store: Renaming bulk
load file hdfs://namenode.XXX/hfiles/2011/06/23/14/domainsranked/TopDomainsRank.r3v5PRvK/handling/3557032074765091256
to hdfs://namenode.XXX:8020/hbase/domainsranked/d4925aca7852bed32613a509215d42b8/handling/3615917062821145533
> -- And then the LoadIncrementalHFiles tries to load the hfile again:
> 2011-06-23 15:46:55,684 INFO org.apache.hadoop.hbase.regionserver.Store: Validating hfile
at hdfs://namenode.XXX/hfiles/2011/06/23/14/domainsranked/TopDomainsRank.r3v5PRvK/handling/3557032074765091256
for inclusion in store handling region domainsranked,368449:2011/05/03/23:category:ffffffff:com.zynga.static.fishville.facebook,1305890318961.d4925aca7852bed32613a509215d42b8.
> 2011-06-23 15:46:55,685 DEBUG org.apache.hadoop.ipc.HBaseServer: IPC Server handler 147
on 60020, call bulkLoadHFile(hdfs://namenode.XXX/hfiles/2011/06/23/14/domainsranked/TopDomainsRank.r3v5PRvK/handling/3557032074765091256,
[B@4224508b, [B@5e23f799) from 67.215.90.51:51856: error: java.io.FileNotFoundException: File
does not exist: /hfiles/2011/06/23/14/domainsranked/TopDomainsRank.r3v5PRvK/handling/3557032074765091256
> -- This eventually leads to the load command failing.



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