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Ran 25 Mar 2020 12:02PM UTC

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Files 9

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Committed 25 Mar 2020 11:57AM UTC coverage: 21.244% (-1.2%) from 22.401%

Build # 2605

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

Connection pooler (#799)

Connection pooler support

Add support for a connection pooler. The idea is to make it generic enough to
be able to switch between different implementations (e.g. pgbouncer or
odyssey). Operator needs to create a deployment with pooler and a service for
it to access.

For connection pool to work properly, a database needs to be prepared by
operator, namely a separate user have to be created with an access to an
installed lookup function (to fetch credential for other users).

This setups is supposed to be used only by robot/application users. Usually a
connection pool implementation is more CPU bounded, so it makes sense to create
several pods for connection pool with more emphasize on cpu resources. At the
moment there are no special affinity or tolerations assigned to bring those
pods closer to the database. For availability purposes minimal number of
connection pool pods is 2, ideally they have to be distributed between
different nodes/AZ, but it's not enforced in the operator itself. Available
configuration supposed to be ergonomic and in the normal case require minimum
changes to a manifest to enable connection pool. To have more control over the
configuration and functionality on the pool side one can customize the
corresponding docker image.

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>

Run Details

280 of 1318 relevant lines covered (21.24%)

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ID	Job ID	Ran	Files	Coverage
1	2605.1	25 Mar 2020 12:02PM UTC	0	21.24	Travis Job 2605.1

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