Clint, as J-D suggests, you sure the edit made into a properly closed log first (I'm guessing you did)? If not, you can make it happen by tuning down the time between log flushes -- its new config hbase.regionserver.logroll.period. St.Ack
On Thu, Jun 4, 2009 at 9:35 AM, Jean-Daniel Cryans <[email protected]>wrote: > Clint, > > Don't dig too deep, META edits will always be missed until we can > flush every edits. > > J-D > > On Thu, Jun 4, 2009 at 12:31 PM, Clint Morgan <[email protected]> > wrote: > > I the meta edits did not get applied correctly. The only changes were > > region->server assignments, and after replay it still had the old > > assignments. > > > > I had made one explicit change to another table before the hard restart, > and > > that change did not get recovered either. > > > > I'll dig deeper today... > > -clint > > > > On Wed, Jun 3, 2009 at 7:22 PM, stack <[email protected]> wrote: > > > >> On Wed, Jun 3, 2009 at 5:53 PM, Clint Morgan <[email protected]> > wrote: > >> > >> > Which seems weird because the hlog path points to a table's directory > >> which > >> > is a different table than the given region. Does this seem right? > >> > > >> > > >> No. It seems badly wrong. I took a quick look at HLog#splitLog and how > >> its > >> making up name of the file to write to. I don't see anything obvious. > Its > >> using the HLogKey it got out of the commit log. This in turn looks like > it > >> has right table name going in -- it gets it from region whose commit is > >> being logged. > >> > >> I see in below that it made queues for -ROOT- and .META. Did these > edits > >> get split into the right location? > >> > >> St.Ack > >> > >> > >> > >> > A larger portion of the log is below. > >> > > >> > [03/06/09 16:35:34] 530059 [ HMaster] INFO > >> > hadoop.hbase.regionserver.HLog - Splitting 1 log(s) in > >> > file:/opt/troove-data/hadoop/hbase/log_10.0.1.196_1244071611670_7802 > >> > [03/06/09 16:35:34] 530060 [ HMaster] DEBUG > >> > hadoop.hbase.regionserver.HLog - Splitting hlog 1 of 1: > >> > > >> > > >> > file:/opt/troove-data/hadoop/hbase/log_10.0.1.196_1244071611670_7802/hlog.dat.1244071612170, > >> > length=45056 > >> > [03/06/09 16:35:35] 530106 [ HMaster] DEBUG > >> > hadoop.hbase.regionserver.HLog - Adding queue for -ROOT-,,0 > >> > [03/06/09 16:35:35] 530110 [ HMaster] DEBUG > >> > hadoop.hbase.regionserver.HLog - Adding queue for .META.,,1 > >> > [03/06/09 16:35:35] 530120 [ HMaster] DEBUG > >> > hadoop.hbase.regionserver.HLog - Adding queue for > >> > TransactionStatus,,1244059490418 > >> > [03/06/09 16:35:35] 530121 [ HMaster] DEBUG > >> > hadoop.hbase.regionserver.HLog - Adding queue for > >> > net_troove_coin_project_Project,,1244059485284 > >> > [03/06/09 16:35:35] 530122 [ HMaster] DEBUG > >> > hadoop.hbase.regionserver.HLog - Adding queue for > >> > net_troove_security_ApplicationUser,,1244059486102 > >> > [03/06/09 16:35:35] 530124 [ HMaster] DEBUG > >> > hadoop.hbase.regionserver.HLog - Adding queue for > >> > net_troove_coin_timeexpense_BaseLog,,1244059487257 > >> > [03/06/09 16:35:35] 530124 [ HMaster] DEBUG > >> > hadoop.hbase.regionserver.HLog - Adding queue for > >> > > >> > net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING,,1244059487520 > >> > [03/06/09 16:35:35] 530133 [pool-1-thread-1] DEBUG > >> > hadoop.hbase.regionserver.HLog - Thread got 2 to process > >> > [03/06/09 16:35:35] 530137 [pool-1-thread-3] DEBUG > >> > hadoop.hbase.regionserver.HLog - Thread got 7 to process > >> > [03/06/09 16:35:35] 530137 [pool-1-thread-2] DEBUG > >> > hadoop.hbase.regionserver.HLog - Thread got 220 to process > >> > [03/06/09 16:35:35] 530144 [pool-1-thread-4] DEBUG > >> > hadoop.hbase.regionserver.HLog - Thread got 1 to process > >> > [03/06/09 16:35:35] 530149 [pool-1-thread-5] DEBUG > >> > hadoop.hbase.regionserver.HLog - Thread got 18 to process > >> > [03/06/09 16:35:35] 530157 [pool-1-thread-6] DEBUG > >> > hadoop.hbase.regionserver.HLog - Thread got 10 to process > >> > [03/06/09 16:35:35] 530209 [pool-1-thread-7] DEBUG > >> > hadoop.hbase.regionserver.HLog - Thread got 10 to process > >> > [03/06/09 16:35:35] 530325 [pool-1-thread-3] DEBUG > >> > hadoop.hbase.regionserver.HLog - Creating new hlog file writer for > path > >> > > >> > > >> > file:/opt/troove-data/hadoop/hbase/net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING/228384672/oldlogfile.log > >> > and region TransactionStatus,,1244059490418 > >> > [03/06/09 16:35:35] 530326 [pool-1-thread-3] DEBUG > >> > hadoop.hbase.regionserver.HLog - Applied 7 total edits to > >> > TransactionStatus,,1244059490418 in 187ms > >> > [03/06/09 16:35:35] 530328 [pool-1-thread-1] DEBUG > >> > hadoop.hbase.regionserver.HLog - Creating new hlog file writer for > path > >> > > >> > > >> > file:/opt/troove-data/hadoop/hbase/net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING/70236052/oldlogfile.log > >> > and region -ROOT-,,0 > >> > [03/06/09 16:35:35] 530328 [pool-1-thread-5] DEBUG > >> > hadoop.hbase.regionserver.HLog - Creating new hlog file writer for > path > >> > > >> > > >> > file:/opt/troove-data/hadoop/hbase/net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING/767391690/oldlogfile.log > >> > and region net_troove_coin_timeexpense_BaseLog,,1244059487257 > >> > [03/06/09 16:35:35] 530329 [pool-1-thread-5] DEBUG > >> > hadoop.hbase.regionserver.HLog - Applied 18 total edits to > >> > net_troove_coin_timeexpense_BaseLog,,1244059487257 in 173ms > >> > [03/06/09 16:35:35] 530329 [pool-1-thread-6] DEBUG > >> > hadoop.hbase.regionserver.HLog - Creating new hlog file writer for > path > >> > > >> > > >> > file:/opt/troove-data/hadoop/hbase/net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING/364454454/oldlogfile.log > >> > and region > >> > > >> > net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING,,1244059487520 > >> > [03/06/09 16:35:35] 530329 [pool-1-thread-6] DEBUG > >> > hadoop.hbase.regionserver.HLog - Applied 10 total edits to > >> > > >> > net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING,,1244059487520 > >> > in 154ms > >> > [03/06/09 16:35:35] 530330 [pool-1-thread-2] DEBUG > >> > hadoop.hbase.regionserver.HLog - Creating new hlog file writer for > path > >> > > >> > > >> > file:/opt/troove-data/hadoop/hbase/net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING/1028785192/oldlogfile.log > >> > and region .META.,,1 > >> > [03/06/09 16:35:35] 530328 [pool-1-thread-4] DEBUG > >> > hadoop.hbase.regionserver.HLog - Creating new hlog file writer for > path > >> > > >> > > >> > file:/opt/troove-data/hadoop/hbase/net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING/124273138/oldlogfile.log > >> > and region net_troove_coin_project_Project,,1244059485284 > >> > [03/06/09 16:35:35] 530331 [pool-1-thread-4] DEBUG > >> > hadoop.hbase.regionserver.HLog - Applied 1 total edits to > >> > net_troove_coin_project_Project,,1244059485284 in 187ms > >> > [03/06/09 16:35:35] 530330 [pool-1-thread-7] DEBUG > >> > hadoop.hbase.regionserver.HLog - Creating new hlog file writer for > path > >> > > >> > > >> > file:/opt/troove-data/hadoop/hbase/net_troove_coin_timeexpense_BaseLog-Base_Employee_ASCENDING/395668855/oldlogfile.log > >> > and region net_troove_security_ApplicationUser,,1244059486102 > >> > > >> > > >
