Re: [HACKERS] An example of bugs for Hot Standby

2010-01-21 Thread Hiroyuki Yamada
, -- Hiroyuki YAMADA Kokolink Corporation yam...@kokolink.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers

Re: [HACKERS] An example of bugs for Hot Standby

2009-12-21 Thread Hiroyuki Yamada
XLOG_HEAP2_CLEAN record. 4. Startup process tries to redo XLOG_HEAP2_CLEAN record, calls LockBufferForCleanup() and freezes until the Xact 1 ends. Note that with HOT pruning, we do not need VACUUM command, and most tables, which has long history of updation, can be table A. -- Hiroyuki YAMADA

Re: [HACKERS] alpha3 release schedule?

2009-12-21 Thread Hiroyuki Yamada
, -- Hiroyuki YAMADA Kokolink Corporation yam...@kokolink.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers

Re: [HACKERS] alpha3 release schedule?

2009-12-19 Thread Hiroyuki Yamada
problem. This is less catstrophic but more likely to happen. If you leave this problem, for example, any long-running transactions, holding any cursors in whatever tables, have a possibility of freezing whole recovery work in HotStandby node until the transaction commit. regards, -- Hiroyuki

Re: [HACKERS] alpha3 release schedule?

2009-12-19 Thread Hiroyuki Yamada
Hiroyuki Yamada yam...@kokolink.net writes: Well, I want to know whether the problem I refered to in http://archives.postgresql.org/pgsql-hackers/2009-12/msg01641.php is must-fix or not. This problem is a corollary of the deadlock problem. This is less catstrophic but more likely to happen

Re: [HACKERS] alpha3 release schedule?

2009-12-19 Thread Hiroyuki Yamada
, -- Hiroyuki YAMADA Kokolink Corporation yam...@kokolink.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers

Re: [HACKERS] An example of bugs for Hot Standby

2009-12-18 Thread Hiroyuki Yamada
, -- Hiroyuki YAMADA Kokolink Corporation yam...@kokolink.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers

Re: [HACKERS] Hot Standby and prepared transactions

2009-12-17 Thread Hiroyuki Yamada
On Wed, 2009-12-16 at 19:35 +0900, Hiroyuki Yamada wrote: * There is a window beween gathering lock information in GetRunningTransactionLocks() and writing WAL in LogAccessExclusiveLocks(). * In current lock redo algorithm, locks are released when the transaction holding the lock

Re: [HACKERS] Hot Standby and prepared transactions

2009-12-16 Thread Hiroyuki Yamada
, is the problem reported in http://archives.postgresql.org/pgsql-hackers/2009-12/msg01324.php fixed or deferred ? regrards, -- Hiroyuki YAMADA Kokolink Corporation yam...@kokolink.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription

Re: [HACKERS] Hot Standby and prepared transactions

2009-12-16 Thread Hiroyuki Yamada
On Wed, 2009-12-16 at 18:08 +0900, Hiroyuki Yamada wrote: That fixes or explains all known issues, from me. Are there any other things you know about that I haven't responded to? Do you think we have addressed every issue, except deferred items? I will be looking to commit to CVS later

[HACKERS] An example of bugs for Hot Standby

2009-12-15 Thread Hiroyuki Yamada
LockBufferForCleanup() for any of the buffers regards, -- Hiroyuki YAMADA Kokolink Corporation yam...@kokolink.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers

[HACKERS] An example of bugs for Hot Standby

2009-12-15 Thread Hiroyuki Yamada
LockBufferForCleanup() for any of the buffers regards, -- Hiroyuki YAMADA Kokolink Corporation yam...@kokolink.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers