I'm investigating a potential IO issue. We're running 7.4 on AIX 5.1.
During periods of high activity (reads, writes, and vacuums), we are
seeing iostat reporting 100% disk usage. I have a feeling that the
iostat numbers are misleading. I can make iostat usage jump from less
than 10% to
Brad Nicholson wrote:
I'm investigating a potential IO issue. We're running 7.4 on AIX
5.1. During periods of high activity (reads, writes, and vacuums), we
are seeing iostat reporting 100% disk usage. I have a feeling that
the iostat numbers are misleading. I can make iostat usage jump
Joshua D. Drake wrote:
Brad Nicholson wrote:
I'm investigating a potential IO issue. We're running 7.4 on AIX
5.1. During periods of high activity (reads, writes, and vacuums),
we are seeing iostat reporting 100% disk usage. I have a feeling
that the iostat numbers are misleading. I can
Brad Nicholson [EMAIL PROTECTED] writes:
I'm investigating a potential IO issue. We're running 7.4 on AIX 5.1.
During periods of high activity (reads, writes, and vacuums), we are
seeing iostat reporting 100% disk usage. I have a feeling that the
iostat numbers are misleading. I can
[EMAIL PROTECTED] (Tom Lane) writes:
Brad Nicholson [EMAIL PROTECTED] writes:
I'm investigating a potential IO issue. We're running 7.4 on AIX 5.1.
During periods of high activity (reads, writes, and vacuums), we are
seeing iostat reporting 100% disk usage. I have a feeling that the
On Tue, Jan 24, 2006 at 02:43:59PM -0500, Chris Browne wrote:
I believe it's 7.4 where the cost-based vacuum parameters entered in,
so that would, in principle, already be an option.
[rummaging around...]
Hmm There was a patch for 7.4, but it's only standard as of
8.0...
And it