Return-Path: X-Original-To: apmail-hbase-user-archive@www.apache.org Delivered-To: apmail-hbase-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id CB42A11913 for ; Thu, 3 Apr 2014 23:30:55 +0000 (UTC) Received: (qmail 83160 invoked by uid 500); 3 Apr 2014 23:30:52 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 83105 invoked by uid 500); 3 Apr 2014 23:30:52 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Delivered-To: moderator for user@hbase.apache.org Received: (qmail 75251 invoked by uid 99); 3 Apr 2014 23:24:27 -0000 X-ASF-Spam-Status: No, hits=2.5 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,SPF_SOFTFAIL,URI_HEX X-Spam-Check-By: apache.org Received-SPF: softfail (nike.apache.org: transitioning domain of vsriram30@gmail.com does not designate 216.139.236.26 as permitted sender) Date: Thu, 3 Apr 2014 16:24:00 -0700 (PDT) From: sriram To: user@hbase.apache.org Message-ID: <1396567440529-4057843.post@n3.nabble.com> Subject: Skip unresponsive regions in scan MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org Hi, Is it possible to skip unresponsive regions in hbase table export import? I am trying to migrate my table from hbase 0.90.5 to hbase 0.94.6. For that I am using hbase export tool. As it internally spins up a Map reduce program for this, it fails when few regions are not responding back. Is it possible to save the partial data and skip the unresponsive regions and do the import of the partial data? I have tried giving timestamp range as well. Still facing same problem. I am getting exceptions as mentioned in https://issues.apache.org/jira/browse/HBASE-5322 Thanks, Sriram Exception Trace: ---------------- org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to contact region server machine :60020 for region table,6a9c37173adefa7f,1374790424571.c4713d144d1fa6bdfc937b570ebc14e2., row '6a9c37173adefa7f', but failed after 10 attempts. Exceptions: java.io.IOException: java.io.IOException: Could not seek StoreFileScanner[HFileScanner for reader reader=hdfs://machine/hbase/table/c4713d144d1fa6bdfc937b570ebc14e2/column/4884593935967971789, compression=lzo, inMemory=false, firstKey=6a9c37173adefa7f/qa:INDEX_TIME/1325912843301/Put, lastKey=6a9d1c2ef3b5dc3e/qa:QA_COUNT/1381345482919/Put, avgKeyLen=36, avgValueLen=291, entries=12052, length=2516134, cur=null] at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:104) at org.apache.hadoop.hbase.regionserver.StoreScanner.(StoreScanner.java:77) at org.apache.hadoop.hbase.regionserver.Store.getScanner(Store.java:1398) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.(HRegion.java:2388) at org.apache.hadoop.hbase.regionserver.HRegion.instantiateInternalScanner(HRegion.java:1136) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1128) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1112) at org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1811) at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:570) at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1039) Caused by: java.io.IOException: Premeture EOF from inputStream at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:104) at org.apache.hadoop.hbase.io.hfile.HFile$Reader.decompress(HFile.java:1094) at org.apache.hadoop.hbase.io.hfile.HFile$Reader.readBlock(HFile.java:1036) at org.apache.hadoop.hbase.io.hfile.HFile$Reader$Scanner.seekTo(HFile.java:1433) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:139) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:96) ... 12 more java.io.IOException: java.io.IOException: Could not seek StoreFileScanner[HFileScanner for reader reader=hdfs://machine/hbase/table/c4713d144d1fa6bdfc937b570ebc14e2/column/4884593935967971789, compression=lzo, inMemory=false, firstKey=6a9c37173adefa7f/qa:INDEX_TIME/1325912843301/Put, lastKey=6a9d1c2ef3b5dc3e/qa:QA_COUNT/1381345482919/Put, avgKeyLen=36, avgValueLen=291, entries=12052, length=2516134, cur=null] at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:104) at org.apache.hadoop.hbase.regionserver.StoreScanner.(StoreScanner.java:77) at org.apache.hadoop.hbase.regionserver.Store.getScanner(Store.java:1398) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.(HRegion.java:2388) at org.apache.hadoop.hbase.regionserver.HRegion.instantiateInternalScanner(HRegion.java:1136) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1128) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1112) at org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1811) at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:570) at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1039) Caused by: java.io.IOException: Premeture EOF from inputStream at org.apache.hadoop.io.IOUtils.readFully(IOUtils.java:104) at org.apache.hadoop.hbase.io.hfile.HFile$Reader.decompress(HFile.java:1094) at org.apache.hadoop.hbase.io.hfile.HFile$Reader.readBlock(HFile.java:1036) at org.apache.hadoop.hbase.io.hfile.HFile$Reader$Scanner.seekTo(HFile.java:1433) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:139) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:96) ... 12 more -- View this message in context: http://apache-hbase.679495.n3.nabble.com/Skip-unresponsive-regions-in-scan-tp4057843.html Sent from the HBase User mailing list archive at Nabble.com.