From: Aaron Starr <astarr@...>
Date: 2009-06-19T12:00:15+09:00
Subject: mysql gem memory leak


I have a tiny script that just opens a database connection and then
repeats:
    1) do a query and free the response, and
    2) sleep for a few seconds.

Note that this is not using ActiveRecord or any other Rails bits, but
just the straight ruby-mysql bindings. Also note that in this particular
test, the response is always empty; there are no records that match the
query.

The application memory increases over time, so that within a few hours,
it's consuming hundreds of Mb. Anyone else seen this? Is it a version
problem?

Thanks,

Aaron


Versions:

ruby 1.8.7 (2009-04-08 patchlevel 160) [x86_64-linux]

*** LOCAL GEMS ***
mysql (2.7)

Linux version 2.6.24-23-xen (buildd@crested) (gcc version 4.2.3 (Ubuntu
4.2.3-2ubuntu7)) #1 SMP Mon Jan 26 03:09:12 UTC 2009

mysql Server version          5.0.51a-3ubuntu5.4
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