What happens when you export/import into the same (CDH3B4) cluster using a new table name? Does the size double as well?
----- Original Message ----- From: Lord Khan Han <[email protected]> To: [email protected]; lars hofhansl <[email protected]> Cc: Sent: Friday, December 9, 2011 2:27 PM Subject: Re: Hbase export / import Why doubling the Table Size ? I flush ed and major_compact ed .. nothing changed... i am stuck this last two days...:( any idea? On Sat, Dec 10, 2011 at 12:11 AM, Lord Khan Han <[email protected]>wrote: > Now flushed and compacting again.. > > one more clue: > > I tested to import CDH3B4 (same as exported cluster) with lzo.. all is > okay.. table size is same.. > than I upgrade to cdh3u2 table also is ok and same size.. > > But when I try to import in cdh3u2 this size doubling happens.. > > > > > On Sat, Dec 10, 2011 at 12:07 AM, Lord Khan Han > <[email protected]>wrote: > >> I made major_compact but not flush... will do now with flush.. >> >> >> >> On Fri, Dec 9, 2011 at 11:58 PM, lars hofhansl <[email protected]>wrote: >> >>> Can you try flushing and compacting the table? How did you measure the >>> size? >>> >>> Both can be done from the shell using the 'flush' and 'major_compact' >>> commands, resp. >>> >>> >>> >>> ----- Original Message ----- >>> From: Lord Khan Han <[email protected]> >>> To: [email protected] >>> Cc: >>> Sent: Friday, December 9, 2011 1:50 PM >>> Subject: Hbase export / import Why doubling the Table Size ? >>> >>> Hi , >>> >>> We are usng CDH3B4 and want to upgrade to CDH3u2. Before doing this >>> we make a separate cluster with same config and installed CDH3u2. >>> >>> We exported our hbase table from cdh3b4 cluster and import it to the >>> new cdh3u2 cluster. Table is LZO and both cluster config is same. >>> >>> After import finished hbase table size doubled!! even its configured >>> to use LZO. We changed table to snappy import again and same result. >>> Table size multiplied x 2 in new cdh3u2 cluster. >>> >>> We didnt find why ? Is there any ideas for this ? >>> >>> thanks >>> >>> Khan >>> >>> >> >
