No. Disk read activity is ALWAYS 0, the system has a lot of disk cache.
On 3/28/07, Joseph S <jks@selectacast.net> wrote:
Dmitry Koterov wrote:
> And the general question - why SELECT queries slowdown during the
> CHECKPOINT? I thought that Postgres is a version-based database and read
> queries are never blocked...
Because the disk is busy.
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