Hi,
I have a very strange problem whereby one particular table in our
database is repeatedly (on average, every couple of days) generating
errors stating that the table is crashed and needs to be repaired.
Running a repair fixes it.
What makes it strange (and something that I've never encountered before)
is the following:
1. There is one particular table which it happens to a lot, and a few
other tables where it happens occasionally. Everything else is fine.
2. None of the tables where it happens are among the most heavily used
or commonly updated.
3. There is no shortage of disk space.
4. The disk system reports no errors.
5. We have multiple databases with an identical structure but different
content (we are an online retailer and each database is a separate
storefront), but the problem occurs in all the databases - but the same
tables in each database. It doesn't always happen to each database at
the same time - it seems to be random.
6. (This is the really strange one) We have two separate servers with
identical copies of the databases, one for production use and one for
development use, and it happens independently on both of them - but
still the same tables (and, specifically, the same table that it happens
to more often than any other).
7. And, of course, the obvious statement: we haven't changed the
structure of this database recently (it hasn't changed for months, if
not years).
We are running MySQL 5.0.77 on Centos. All the databases use MyISAM
exclusively.
Given the above, can anyone suggest any possible causes?
Thanks
Mark
--
http://mark.goodge.co.uk
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