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Move wikitech purges to kafka
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Description

As always, wikitech is singled out in the config:

# Wikitech on labweb is behind the misc-web varnishes so we need a different
# multicast IP for cache invalidation.  This file is loaded
# after the standard MW equivalent (in reverse-proxy.php)
# so we can just override it here.
$wgHTCPRouting = [
	'' => [
		'host' => '239.128.0.115',
		'port' => 4827
	]
];

@ema please confirm if we need to keep using HTCP or we can switch to kafka for these caches. In case kafka needs to be used, we need to enable EventBus on wikitech, which would require a bit more config mangling.

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@ema please confirm if we need to keep using HTCP or we can switch to kafka for these caches. In case kafka needs to be used, we need to enable EventBus on wikitech, which would require a bit more config mangling.

We can switch to kafka for wikitech too.

ema triaged this task as Medium priority.Jun 9 2020, 6:58 AM