| From: | Lonni J Friedman <netllama(at)gmail(dot)com> |
|---|---|
| To: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | autovacuum running for a long time on a new table with 1 row |
| Date: | 2012-05-31 23:13:28 |
| Message-ID: | CAP=oouEa=C6HPAFddw5feJKKUv+zJJfZTbO7NJUm84nb0Ez3qQ@mail.gmail.com |
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| Lists: | pgsql-general |
Running 9.1.3 on Linux-x86_64. I'm seeing autovacuum running for the
past 6 hours on a newly created table that only has 1 row of data in
it. This table did exist previously, but was dropped & recreated.
I'm not sure if that might explain this behavior. When I strace the
autovacuum process, I see the following scrolling by non-stop (with no
changes to the file referenced):
select(0, NULL, NULL, NULL, {0, 21000}) = 0 (Timeout)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
select(0, NULL, NULL, NULL, {0, 21000}) = 0 (Timeout)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
open("base/16412/214803_vm", O_RDWR) = -1 ENOENT (No such file or directory)
Is this normal/expected?
thanks
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