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Ran 07 May 2019 09:05AM UTC

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Committed 07 May 2019 09:00AM UTC coverage: 80.208% (-0.001%) from 80.209%

Job # DB=MYSQL8

Build Type

push

travis-ci

Committed by

julienschmidt

Commit Message

packets: reset read deadline before conn check (#964)

* packets: reset read deadline before conn check

If a MySQL connection has been configured with a short `ReadTimeout`,
each read from the TCP connection will be preceded by a
`SetReadDeadline` call, which lingers until the next `SetReadDeadline`.

This can be an issue if the connection becomes stale after staying too
long in the connection pool, because when we attempt to perform a stale
connection check, the Go runtime scheduler will return a timedout error
from the scheduler itself, without letting us get to the kernel to
perform the non-blocking read.

To fix this, reset the read deadline before we perform the connection
check.

* packets: set a 0 deadline

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go-sql-driver / mysql / 1664 / 6
83%
master: 83%

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Source Files on job 1664.6 (DB=MYSQL8)

go-sql-driver / mysql / 1664 / 6 83% master: 83%

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Source Files on job 1664.6 (DB=MYSQL8)

go-sql-driver / mysql / 1664 / 6
83%
master: 83%

README BADGES
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