doesn't support redis failover

[djay]

for instance by using http://redis.io/topics/sentinel

[datakurre]

Some implementation notes below, but at first: is Redis sentinel multi master? What I understood from redis python client documentation is that slaves are read only, which makes c.taskqueue always require to use master.

I have no experience of sentinel yet. By reading https://pypi.python.org/pypi/redis it seems that it would be enough to add a single new redis configuration argument

    <taskqueue>
      type redis
      sentinel mymaster
    </taskqueue>

and then create connection with sentinel.master_for('mymaster', socket_timeout=0.1).

What remains to be checked while implementing this, is, does asyncore loop's socket map survive for redis connection change.

[djay]

Sentinal handles switching master for you. So I think it would work where
upon you get a disconnection you go back to sentinal to workout where the
master is.
Some interesting detail in https://aphyr.com/posts/283-call-me-maybe-redis
Just a quick look but doesn't seem to me.like cellery and rabbitmq is much
better.

On Thu, 23 Jul 2015 08:06 Asko Soukka notifications@github.com wrote:

Some implementation notes below, but at first: is Redis sentinel multi
master? What I understood from redis python client documentation is that
slaves are read only, which makes c.taskqueue always require to use master.

I have no experience of sentinel yet. By reading
https://pypi.python.org/pypi/redis it seems that it would be enough to
add a single new redis configuration argument

<taskqueue>
  type redis
  sentinel mymaster
</taskqueue>

and then create connection with sentinel.master_for('mymaster',
socket_timeout=0.1).

What remains to be checked while implementing this, is, does asyncore
loop's socket map survive for redis connection change.

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