[Labs-l] Memcached issues on piramido

[Asher Feldman]

That message actually means that memcached is working.  The messages keys
used as locks are added via the memcached add call, which only returns
successfully if the key doesn't already exist.  That could not acquire lock
message means that the key already exists, the "lock" is already held and
the work associated with it being done by another process.

On Wed, Jan 30, 2013 at 12:51 PM, Matthew Flaschen
<mflaschen at wikimedia.org>wrote:

> On piramido (on labs), memcached sometimes stops working.  The symptoms
> are errors such as:
>
> Could not acquire 'testwiki:messages:en:status' lock
>
> We have to restart memcached every so often, and we'd like to track down
> the underlying problem.
>
> Matt Flaschen
>
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