Re: [PATCHES] Load distributed checkpoint V4

2007-04-23 Thread Greg Smith
On Thu, 19 Apr 2007, Heikki Linnakangas wrote: In the sync phase, we sleep between each fsync until enough time/segments have passed, assuming that the time to fsync is proportional to the file length. I'm not sure that's a very good assumption. I've been making scatter plots of fsync time

Re: [PATCHES] Load distributed checkpoint V4

2007-04-19 Thread Heikki Linnakangas
ITAGAKI Takahiro wrote: Here is an updated version of LDC patch (V4). Thanks! I'll start testing. - Progress of checkpoint is controlled not only based on checkpoint_timeout but also checkpoint_segments. -- Now it works better with large checkpoint_timeout and small checkpoint_segments.

[PATCHES] Load distributed checkpoint V4

2007-04-18 Thread ITAGAKI Takahiro
Here is an updated version of LDC patch (V4). - Refactor the codes to minimize the impact of changes. - Progress of checkpoint is controlled not only based on checkpoint_timeout but also checkpoint_segments. -- Now it works better with large checkpoint_timeout and small checkpoint_segments.