Thank you all guys.

2013/9/3 Jay Pipes <jaypi...@gmail.com>

> On 09/03/2013 03:12 PM, Clint Byrum wrote:
>
>> Excerpts from Guilherme Russi's message of 2013-09-03 11:52:39 -0700:
>>
>>> Query OK, 502150 rows affected (32 min 2.77 sec) and nothing has changed,
>>> lol.
>>>
>>
>> There's also indexes in Havana that help a lot, you might consider adding
>> them manually:
>>
>> ALTER TABLE token ADD INDEX ix_token_valid (valid);
>> ALTER TABLE token ADD INDEX ix_token_expires (expires);
>>
>> Note that a 500,000 row delete is _brutal_ on your server. We use this
>> in TripleO:
>>
>> https://git.openstack.org/**cgit/openstack/tripleo-image-**
>> elements/tree/elements/**keystone/cleanup-keystone-**tokens.sh<https://git.openstack.org/cgit/openstack/tripleo-image-elements/tree/elements/keystone/cleanup-keystone-tokens.sh>
>>
>> It allows space in between the deletes for other things to happen,
>> and also deletes in a more efficient way to not thrash around the table
>> deleting things in index order.
>>
>> Also, if you don't need the content of your token table for audit purposes
>> and you can afford the RAM, you should definitely consider switching to
>> the memcached backend for tokens.
>>
>
> +1000. memcached is the superior option for tokens.
>
> -jay
>
>
>
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