`dead_timeout`++

On Wed, Mar 4, 2020 at 1:36 PM Herve Beraud <hberaud@redhat.com> wrote:

`dead_timeout` [1] looks more appropriate in this case.

[1] https://github.com/pinterest/pymemcache/blob/master/pymemcache/client/hash.py#L58

Le mer. 4 mars 2020 à 13:28, Herve Beraud <hberaud@redhat.com> a écrit :

What do you think about adding a mapping between `retry_timeout` [1] and `dead_retry` [2]?

[1] https://github.com/pinterest/pymemcache/blob/master/pymemcache/client/hash.py#L56

[2] https://github.com/linsomniac/python-memcached/blob/bad41222379102e3f18f6f2f7be3ee608de6fbff/memcache.py#L183

Le mer. 4 mars 2020 à 13:20, Herve Beraud <hberaud@redhat.com> a écrit :

I think our issue is due to the fact that python-memcached accept a param named `dead_retry` [1] which is not defined in pymemcache.

We just need to define it in our oslo.cache mapping. During testing we faced the same kind of issue with connection timeout.

[1] https://github.com/linsomniac/python-memcached/blob/bad41222379102e3f18f6f2f7be3ee608de6fbff/memcache.py#L183

[2] https://github.com/openstack/oslo.cache/blob/8a8248d764bbb1db6c0089a58745803c03e38fdb/oslo_cache/_memcache_pool.py#L193,L201

Le mer. 4 mars 2020 à 12:21, Radosław Piliszek <radoslaw.piliszek@gmail.com> a écrit :

Please be informed that oslo.cache 2.1.0 breaks oslo_cache.memcache_pool

Kolla-Ansible gate is already RED and a quick codesearch revealed
other deployment methods might be in trouble soon as well.

This does not affect devstack/tempest as they use
dogpile.cache.memcached instead.

The error is TypeError: __init__() got an unexpected keyword argument
'dead_retry'

For details see: https://bugs.launchpad.net/oslo.cache/+bug/1866008

-yoctozepto

--

Hervé Beraud

Senior Software Engineer

Red Hat - Openstack Oslo

irc: hberaud

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Hervé Beraud

Senior Software Engineer

Red Hat - Openstack Oslo

irc: hberaud

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--

Hervé Beraud

Senior Software Engineer

Red Hat - Openstack Oslo

irc: hberaud

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Moisés Guimarães

Software Engineer

Red Hat