sry, I mean 570000 columns, not rows
2013/9/11 John <[email protected]> > thanks for all the answers! The only entry I got in the > "hbase-cmf-hbase1-REGIONSERVER-mydomain.org.log.out" log file after I > executing the get command in the hbase shell is this: > > 2013-09-11 16:38:56,175 WARN org.apache.hadoop.ipc.HBaseServer: > (operationTooLarge): {"processingtimems":3196,"client":"192.168.0.1:50629 > ","timeRange":[0,9223372036854775807],"starttimems":1378910332920,"responsesize":108211303,"class":"HRegionServer","table":"P_SO","cacheBlocks":true,"families":{"myCf":["ALL"]},"row":"myRow","queuetimems":0,"method":"get","totalColumns":1,"maxVersions":1} > > After this the RegionServer is down, nothing more. BTW I found out that > the row should have ~570000 rows. The size should be arround ~70mb > > Thanks > > > > 2013/9/11 Bing Jiang <[email protected]> > >> hi john. >> I think it is a fresh question. Could you print the log from the >> regionserver crashed ? >> On Sep 11, 2013 8:38 PM, "John" <[email protected]> wrote: >> >> > Okay, I will take a look at the ColumnPaginationFilter. >> > >> > I tried to reproduce the error. I created a new table and add one new >> row >> > with 250 000 columns, but everything works fine if I execute a get to >> the >> > table. The only difference to my original programm was that I have added >> > the data directly throught the hbase java api and not with the map >> reduce >> > bulk load. Maybe that can be the reason? >> > >> > I wonder a little bit about the hdfs structure if I compare both methods >> > (hbase api/bulk load). If I add the data through the hbase api there is >> no >> > file in >> /hbase/MyTable/5faaf42997925e2f637d8d38c420862f/MyColumnFamily/*, >> > but if I use the bulk load method there is a file for every time I >> executed >> > a new bulk load: >> > >> > root@pc11:~/hadoop# hadoop fs -ls >> > /hbase/mytestTable/5faaf42997925e2f637d8d38c420862f/mycf >> > root@pc11:~/hadoop# hadoop fs -ls >> > /hbase/bulkLoadTable/f95294bd3c8651a7bbdf9fac27f8961a/mycf2/ >> > Found 2 items >> > -rw-r--r-- 1 root supergroup 118824462 2013-09-11 11:46 >> > >> > >> /hbase/bulkLoadTable/f95294bd3c8651a7bbdf9fac27f8961a/mycf2/28e919a0cc8a4592b7f2c09defaaea3a >> > -rw-r--r-- 1 root supergroup 158576842 2013-09-11 11:35 >> > >> > >> /hbase/bulkLoadTable/f95294bd3c8651a7bbdf9fac27f8961a/mycf2/35c5e6df64c04d0a880ffe82593258b8 >> > >> > If I ececute a get operation in the hbase shell to my the "MyTable" >> table >> > if got the result: >> > >> > hbase(main):004:0> get 'mytestTable', 'sampleRowKey' >> > ... <-- all results >> > 250000 row(s) in 38.4440 seconds >> > >> > but if I try to get the results for my "bulkLoadTable" I got this (+ the >> > region server crash): >> > >> > hbase(main):003:0> get 'bulkLoadTable', 'oneSpecificRowKey' >> > COLUMN CELL >> > >> > ERROR: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed >> > after attempts=7, exceptions: >> > Wed Sep 11 14:21:05 CEST 2013, >> > org.apache.hadoop.hbase.client.HTable$3@adc4d8f, java.io.IOException: >> Call >> > to pc17.pool.ifis.uni-luebeck.de/141.83.150.97:60020 failed on local >> > exception: java.io.EOFException >> > Wed Sep 11 14:21:06 CEST 2013, >> > org.apache.hadoop.hbase.client.HTable$3@adc4d8f, >> > java.net.ConnectException: >> > Connection refused >> > Wed Sep 11 14:21:07 CEST 2013, >> > org.apache.hadoop.hbase.client.HTable$3@adc4d8f, >> > org.apache.hadoop.hbase.ipc.HBaseClient$FailedServerException: This >> server >> > is in the failed servers list: >> > pc17.pool.ifis.uni-luebeck.de/141.83.150.97:60020 >> > Wed Sep 11 14:21:08 CEST 2013, >> > org.apache.hadoop.hbase.client.HTable$3@adc4d8f, >> > java.net.ConnectException: >> > Connection refused >> > Wed Sep 11 14:21:10 CEST 2013, >> > org.apache.hadoop.hbase.client.HTable$3@adc4d8f, >> > java.net.ConnectException: >> > Connection refused >> > Wed Sep 11 14:21:12 CEST 2013, >> > org.apache.hadoop.hbase.client.HTable$3@adc4d8f, >> > java.net.ConnectException: >> > Connection refused >> > Wed Sep 11 14:21:16 CEST 2013, >> > org.apache.hadoop.hbase.client.HTable$3@adc4d8f, >> > java.net.ConnectException: >> > Connection refused >> > >> > >> > >> > 2013/9/11 Ted Yu <[email protected]> >> > >> > > Take a look at >> > > >> > >> http://hbase.apache.org/0.94/apidocs/org/apache/hadoop/hbase/filter/ColumnPaginationFilter.html >> > > >> > > Cheers >> > > >> > > On Sep 11, 2013, at 4:42 AM, John <[email protected]> wrote: >> > > >> > > > Hi, >> > > > >> > > > thanks for your fast answer! with size becoming too big I mean I >> have >> > one >> > > > row with thousands of columns. For example: >> > > > >> > > > myrowkey1 -> column1, column2, column3 ... columnN >> > > > >> > > > What do you mean with "change the batch size"? I try to create a >> little >> > > > java test code to reproduce the problem. It will take a moment >> > > > >> > > > >> > > > >> > > > >> > > > 2013/9/11 Jean-Marc Spaggiari <[email protected]> >> > > > >> > > >> Hi John, >> > > >> >> > > >> Just to be sure. What is " the size become too big"? The size of a >> > > single >> > > >> column within this row? Or the number of columns? >> > > >> >> > > >> If it's the number of columns, you can change the batch size to get >> > less >> > > >> columns in a single call? Can you share the relevant piece of code >> > doing >> > > >> the call? >> > > >> >> > > >> JM >> > > >> >> > > >> >> > > >> 2013/9/11 John <[email protected]> >> > > >> >> > > >>> Hi, >> > > >>> >> > > >>> I store a lot of columns for one row key and if the size become to >> > big >> > > >> the >> > > >>> relevant Region Server crashs if I try to get or scan the row. For >> > > >> example >> > > >>> if I try to get the relevant row I got this error: >> > > >>> >> > > >>> 2013-09-11 12:46:43,696 WARN org.apache.hadoop.ipc.HBaseServer: >> > > >>> (operationTooLarge): {"processingtimems":3091,"client":" >> > > >> 192.168.0.34:52488 >> > > >>> ","ti$ >> > > >>> >> > > >>> If I try to load the relevant row via Apache Pig and the >> HBaseStorage >> > > >>> Loader (use the scan operation) I got this message and after that >> the >> > > >>> Region Servers crashs: >> > > >>> >> > > >>> 2013-09-11 10:30:23,542 WARN org.apache.hadoop.ipc.HBaseServer: >> > > >>> (responseTooLarge): >> > > >>> {"processingtimems":1851,"call":"next(-588368116791418695, >> > > >>> 1), rpc version=1, client version=29,$ >> > > >>> >> > > >>> I'm using Cloudera 4.4.0 with 0.94.6-cdh4.4.0 >> > > >>> >> > > >>> Any clues? >> > > >>> >> > > >>> regards >> > > >> >> > > >> > >> > >
