27 lines
1015 B
Plaintext
27 lines
1015 B
Plaintext
MBOX-Line: From tjs at psaux.com Mon Aug 8 17:36:07 2011
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To: imap-protocol@u.washington.edu
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From: Tim Showalter <tjs@psaux.com>
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Date: Fri Jun 8 12:34:46 2018
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Subject: [Imap-protocol] Are clients pinging servers at the same time?
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Message-ID: <4E4080F7.4060005@psaux.com>
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We've been doing some tuning on our IMAP servers, and I'm noticing
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spikes on the hour and quarter-hours. I haven't dug into the data too
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much, but what I'm seeing suggests client requests hitting us at :00,
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:15, :30, and :45, every hour.
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Are there clients out there that are timing polls, updates, whatever, to
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be on the quarter-hours? It seems to be worse on the hour, but we get
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little echos on the 15s.
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Every 15 minutes would be fine, just not so many at the same time.
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I'm looking for both clients that have this behavior, and longer-term, a
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fix. This is sub-optimal behavior from a user perspective, as the
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clients would get better service if they randomized and hit us at
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different times.
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Speaking only for myself,
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Tim
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