Am 07.02.2018 um 14:25 schrieb jocelyn fournier:
each layer brings inevitable it's own problems to the mix and if it's
only added latency for non-cacheable queries and complexer
dependencies for long-term maintainance of oyur whole application stack
I agree before adopting this kind of software, you have to check the
cacheability of your application (which is a metric displayed by the
heimdalldata dashboard BTW) because there's always a small overhead.
But I like the concept of heimdalldata where the cache is actually
hosted on each front server, instead of a potentially remote MySQL
server, hence *reducing* the latency of your application by removing the
network round-trip delay for cached queries
well, our mysqld are conencted via unix-sockets, so no TCP and no
failovers needed on that layer - HA is done by the virtualization
cluster on a deeper layer and when the whole cluster fails game over
anyways :-)
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