I made https://issues.apache.org/jira/browse/HBASE-3046 for looking into this. We though we're repro'd it here but it seems like we were running into hbase-3038... which was not your case, at least, not for the two files you made available to me.
St.Ack On Fri, Sep 24, 2010 at 4:52 PM, Jack Levin <[email protected]> wrote: > It was EOF exception, but now that I deleted edits files: > > Moved to trash: > hdfs://namenode-rd.imageshack.us:9000/hbase/img96/1062260343/recovered.edits/0000000000617305532 > Moved to trash: > hdfs://namenode-rd.imageshack.us:9000/hbase/img96/1321772129/recovered.edits/0000000000617328530 > Moved to trash: > hdfs://namenode-rd.imageshack.us:9000/hbase/img96/257974055/recovered.edits/0000000000617238642 > Moved to trash: > hdfs://namenode-rd.imageshack.us:9000/hbase/img97/117679080/recovered.edits/0000000000617306059 > Moved to trash: > hdfs://namenode-rd.imageshack.us:9000/hbase/img97/221569766/recovered.edits/0000000000617242019 > > Like these. All of the regions have loaded... What could that have > been? I assume I lost some writes, but this is not a big deal to > me... question is how to avoid something like that, is that a bug? > > -Jack > > > On Fri, Sep 24, 2010 at 4:44 PM, Stack <[email protected]> wrote: >> What is the complaint in regionserver log when region load fails? >> St.Ack >> >> On Fri, Sep 24, 2010 at 4:40 PM, Jack Levin <[email protected]> wrote: >>> so, datanode log shows no errors whatsoever, however I do see same >>> blocks fetched repeatedly, and the network speed is quite high, but I >>> am unable to load _some_ regions, what could it be? >>> >>> 2010-09-24 16:38:42,729 INFO >>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: >>> /10.101.6.2:50010, dest: /10.101.6.2:53038, bytes: 914, op: HDFS_READ, >>> cliID: >>> DFSClient_hb_rs_rdaf2.prod.imageshack.com,60020,1285371202189_1285371202237, >>> offset: 13803520, srvID: DS-1363732508-10.101.6.2-50010-1284520709569, >>> blockid: blk_5556468858269577961_1550101, duration: 127413 >>> 2010-09-24 16:38:44,317 INFO >>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: >>> /10.101.6.2:50010, dest: /10.101.6.2:53048, bytes: 110, op: HDFS_READ, >>> cliID: >>> DFSClient_hb_rs_rdaf2.prod.imageshack.com,60020,1285371202189_1285371202237, >>> offset: 32723968, srvID: DS-1363732508-10.101.6.2-50010-1284520709569, >>> blockid: blk_364673737339632029_1347910, duration: 1140653 >>> 2010-09-24 16:38:44,318 INFO >>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: >>> /10.101.6.2:50010, dest: /10.101.6.2:53049, bytes: 38294, op: >>> HDFS_READ, cliID: >>> DFSClient_hb_rs_rdaf2.prod.imageshack.com,60020,1285371202189_1285371202237, >>> offset: 32686080, srvID: DS-1363732508-10.101.6.2-50010-1284520709569, >>> blockid: blk_364673737339632029_1347910, duration: 691929 >>> 2010-09-24 16:38:44,510 INFO >>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: >>> /10.101.6.2:50010, dest: /10.101.6.2:53054, bytes: 18021300, op: >>> HDFS_READ, cliID: >>> DFSClient_hb_rs_rdaf2.prod.imageshack.com,60020,1285371202189_1285371202237, >>> offset: 0, srvID: DS-1363732508-10.101.6.2-50010-1284520709569, >>> blockid: blk_-3781179144642915580_1571141, duration: 173548261 >>> 2010-09-24 16:38:44,525 INFO >>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: >>> /10.101.6.2:50010, dest: /10.101.6.2:53055, bytes: 506, op: HDFS_READ, >>> cliID: >>> DFSClient_hb_rs_rdaf2.prod.imageshack.com,60020,1285371202189_1285371202237, >>> offset: 48700928, srvID: DS-1363732508-10.101.6.2-50010-1284520709569, >>> blockid: blk_-176750251227749356_1535293, duration: 77045 >>> 2010-09-24 16:38:44,526 INFO >>> org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: >>> /10.101.6.2:50010, dest: /10.101.6.2:53056, bytes: 6182, op: >>> HDFS_READ, cliID: >>> DFSClient_hb_rs_rdaf2.prod.imageshack.com,60020,1285371202189_1285371202237, >>> offset: 48695296, srvID: DS-1363732508-10.101.6.2-50010-1284520709569, >>> blockid: blk_-176750251227749356_1535293, duration: 128270 >>> >>> >>> >>> >>> On Fri, Sep 24, 2010 at 4:32 PM, Stack <[email protected]> wrote: >>>> (Good one Ryan) >>>> >>>> Master is doing the assigning. It needs to be restarted to see the >>>> config change. >>>> >>>> St.Ack >>>> >>>> On Fri, Sep 24, 2010 at 4:28 PM, Jack Levin <[email protected]> wrote: >>>>> Only regionserver, do I need to restart both? >>>>> >>>>> -jack >>>>> >>>>> On Fri, Sep 24, 2010 at 4:22 PM, Ryan Rawson <[email protected]> wrote: >>>>>> Did you restart the master and the regionserver? Or just one or the >>>>>> other? >>>>>> >>>>>> -ryan >>>>>> >>>>>> On Fri, Sep 24, 2010 at 4:21 PM, Jack Levin <[email protected]> wrote: >>>>>>> Also, even with '1' value, I see: >>>>>>> >>>>>>> 2010-09-24 16:20:29,983 INFO >>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: >>>>>>> img834,1000351n.jpg,1285251664421.d09510a16c0cfd0d8a251a36229125e0. >>>>>>> 2010-09-24 16:20:29,984 INFO >>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: >>>>>>> img651,pict1408.jpg,1285018965749.110871465 >>>>>>> 2010-09-24 16:20:29,984 INFO >>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: >>>>>>> img806,sam0084a.jpg,1285324613056.82a1e8ba8d2a37a591a847fb36803c45. >>>>>>> 2010-09-24 16:20:29,985 INFO >>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: >>>>>>> img535,screenshot1bt.png,1285323376435.fae5f3ab474196c99f10b8a936fb9ead. >>>>>>> 2010-09-24 16:20:29,985 INFO >>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: >>>>>>> img838,123468.jpg,1285223690165.a2903008621d1a6b6ca02441bf3b68ea. >>>>>>> 2010-09-24 16:20:29,985 INFO >>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: >>>>>>> img839,yug.jpg,1285230318537.c09323dbaf54130671df2a14d671fe25. >>>>>>> 2010-09-24 16:20:29,985 INFO >>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: >>>>>>> img821,vlcsnap78737.png,1285283076812.ea4973ce6e43d7f974613c5989647278. >>>>>>> 2010-09-24 16:20:29,985 INFO >>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: >>>>>>> img805,njt30scbkdmb.gif,1285322429401.f9aacdafd8064bfbcc8cd4f6930febbe. >>>>>>> 2010-09-24 16:20:29,985 INFO >>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: >>>>>>> img94,img1711m.jpg,1285016850260.1424182007 >>>>>>> 2010-09-24 16:20:29,986 DEBUG >>>>>>> org.apache.hadoop.hbase.regionserver.HRegion: Creating region >>>>>>> img840,kitbarca2.png,1285189312696.1ce170ec09384fca51297a5fe7aeb4af. >>>>>>> >>>>>>> Which is pretty close to concurrent. >>>>>>> >>>>>>> -Jack >>>>>>> >>>>>>> On Fri, Sep 24, 2010 at 4:16 PM, Jack Levin <[email protected]> wrote: >>>>>>>> Still having a problem: >>>>>>>> >>>>>>>> 2010-09-24 16:15:02,572 ERROR >>>>>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: Error opening >>>>>>>> img695,p1908101232.jpg,1285288492084.d451f05024b42f71a115951c62cdcccf. >>>>>>>> java.io.EOFException >>>>>>>> at java.io.DataInputStream.readFully(DataInputStream.java:180) >>>>>>>> at >>>>>>>> org.apache.hadoop.io.DataOutputBuffer$Buffer.write(DataOutputBuffer.java:63) >>>>>>>> at >>>>>>>> org.apache.hadoop.io.DataOutputBuffer.write(DataOutputBuffer.java:101) >>>>>>>> at >>>>>>>> org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:1937) >>>>>>>> at >>>>>>>> org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:1837) >>>>>>>> >>>>>>>> >>>>>>>> I changed the value to '1', and restarted the regionserver... Note >>>>>>>> that my hdfs is not having a problem. >>>>>>>> >>>>>>>> -Jack >>>>>>>> >>>>>>>> On Fri, Sep 24, 2010 at 4:01 PM, Stack <[email protected]> wrote: >>>>>>>>> Try >>>>>>>>> >>>>>>>>> <property> >>>>>>>>> <name>hbase.regions.percheckin</name> >>>>>>>>> <value>10</value> >>>>>>>>> <description>Maximum number of regions that can be assigned in a >>>>>>>>> single go >>>>>>>>> to a region server. >>>>>>>>> </description> >>>>>>>>> </property> >>>>>>>>> >>>>>>>>> What do you have now? Whatever it is, go down from there. >>>>>>>>> >>>>>>>>> St.Ack >>>>>>>>> >>>>>>>>> >>>>>>>>> On Fri, Sep 24, 2010 at 3:07 PM, Jack Levin <[email protected]> wrote: >>>>>>>>>> My regions are 1gb in size and when I cold start the cluster I >>>>>>>>>> oversaturate my network links (1000 mbps) and get client dfs >>>>>>>>>> timeouts , anyway to slow the m down? >>>>>>>>>> >>>>>>>>>> -Jack >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >
