Questions regarding journal replay
Ralf Hildebrandt
Ralf.Hildebrandt at charite.de
Wed Feb 25 19:01:31 UTC 2009
* Theodore Tso <tytso at mit.edu>:
> Increasing the journal size may speed up certain filesystem workloads
> which are causing the journal to wrap very frequently. However,
> increasing the journal *will* increase the time to replay the journal....
Indeed. This is a Maildir-style mailbox server. Many small writes,
reads and deletes.
> How long did the journal replay take when you were using the 128MB
> internal inode?
800s
--
Ralf Hildebrandt Ralf.Hildebrandt at charite.de
Charite - Universitätsmedizin Berlin Tel. +49 (0)30-450 570-155
Geschäftsbereich IT | Abt. Netzwerk Fax. +49 (0)30-450 570-962
Hindenburgdamm 30 | 12200 Berlin
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