Hi Oliver

Actually these are the messages when we ran the test with 2 backends (postgresql 8.14)


2006-09-28 14:25:00,796 INFO sequoia.controller.loadbalancer Deadlock detected on backend testdb2, aborting transaction 13952628 2006-09-28 14:25:00,799 ERROR controller.loadbalancer.RAIDb1 write request 27947321 failed: Backend testdb - BackendWorkerThread for backend 'testdb1' with RAIDb level:1 failed (Transaction aborted due to deadlock) Backend testdb - BackendWorkerThread for backend 'testdb2' with RAIDb level:1 failed (Transaction aborted due to deadlock)

2006-09-28 14:25:00,800 INFO sequoia.controller.cache Flushing whole cache due to rollback of transaction : 13952628 2006-09-28 14:25:00,800 WARN controller.virtualdatabase.abrazo Request INSERT INTO table1 (TRANSACTIONI... failed, transaction has been aborted (write request 27947321 failed: Backend testdb - BackendWorkerThread for backend 'testdb1' with RAIDb level:1 failed (Transaction aborted due to deadlock) Backend abrazo - BackendWorkerThread for backend 'testdb2' with RAIDb level:1 failed (Transaction aborted due to deadlock)
)
2006-09-28 14:25:00,800 WARN virtualdatabase.VirtualDatabaseWorkerThread.testdb Error during command execution (write request 27947321 failed: Backend testdb - BackendWorkerThread for backend 'testdb1' with RAIDb level:1 failed (Transaction aborted due to deadlock) Backend testdb - BackendWorkerThread for backend 'testdb2' with RAIDb level:1 failed (Transaction aborted due to deadlock)
)
2006-09-28 14:25:00,805 WARN backend.DatabaseBackend.testdb1 No transaction medatada found for transaction 13952628 releasing locks manually 2006-09-28 14:25:00,807 WARN backend.DatabaseBackend.testdb2 No transaction medatada found for transaction 13952628 releasing

So The messages in the previous e-mail is when we ran the test just with one backend

The test still run, but is extremly slow with sequoia, I believe because of the deadlock, however when we run the aplication without sequoia there is no deadlock reported by postgresql.



Thanks



From: Olivier Fambon <[EMAIL PROTECTED]>
Reply-To: Sequoia general mailing list <[EMAIL PROTECTED]>
To: Sequoia general mailing list <[EMAIL PROTECTED]>
Subject: Re: [Sequoia] Sequoia 1.10  error messages
Date: Fri, 29 Sep 2006 10:08:37 +0200

Julio Leyva wrote [09/28/2006 11:23 PM]:
Hi all


Hi Julio,

We are testing an aplication on a volumen test bed using sequoia 2.10 and one backend postgresql 8.14

We are seeing these error messages when we try to update or insert info in our tables.


2006-09-28 16:55:05,315 DEBUG controller.RequestManager.abrazo Load balancing write request (21006,6042): INSERT INTO table2(TRANSACTIONI... 2006-09-28 16:55:05,316 DEBUG controller.RequestManager.abrazo Invalidating cache for write request (21006): INSERT INTO table2 (TRANSACTIONI...

2006-09-28 16:55:05,502 DEBUG controller.RequestManager.abrazo Load balancing write request (21009,6043): Update table1 set current_... 2006-09-28 16:55:05,509 DEBUG controller.RequestManager.abrazo Invalidating cache for write request (21009): Update table1 current_...


So we ran the same test just without sequoia and it works ok.

any ideas?


These are debug messages, not error messages.

Does your test actually fail ?

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