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Persistent database connections to MySQL and Redis servers don’t stay open for more than a couple of minutes before connection is dropped. This issue came up since we switched to node applications in cluster mode that keep around 30 - 50 connections open at any time. Most common error is “MySQL server has gone away” that is usually handled in application logic, but lately errors like “Lost connection to MySQL server during query” and 111 “Connection refused” started coming up, which are not handled cleanly.
Even PHP applications that keep only one non-persistent connection have random connection issues. On top of that even remote SSH to server drops occasionally.
All our servers run in SF1 region. Any ideas what would be causing these connections issues?
hbarnard
keneucker
keneucker
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Aspiresoftserv
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Thejaswini-Rao-U
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mayricoak
ndam
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