percona-discussion team mailing list archive

[Yasufumi Kinoshita <yasufumi.kinoshita@xxxxxxxxxxx>]

Basically, 2nd-phase of prepare is slow. It should be random read IO
bound to applying transaction log.

I have changed polling period of buf_read_recv_pages(), and increased IO threads.
They may be helpful for the performance of the 2nd-phase when we use based on RAID storage.

-- 
2nd-phase is very slow
https://bugs.launchpad.net/bugs/358194
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developers, which is the registrant for Percona-XtraBackup.

Status in Open source backup tool for InnoDB and XtraDB: Fix Committed

Bug description:
2nd-phase is InnoDB: Progress in percents: 0 1 2 3 4 5 6
it is VERY slow now

How to improve:
...