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relax default heartbeat period in IPython.parallel to 3s (from 1s)

Matches heartbeats elsewhere.  3s should be extremely conservative,
as most heartbeat responses are O(1ms).
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1 parent d545c3b commit a4d4ccc5b3dd436aeb69ba304db88516a96f0f10 @minrk committed Jan 23, 2012
Showing with 1 addition and 1 deletion.
  1. +1 −1 IPython/parallel/controller/
@@ -64,7 +64,7 @@ class HeartMonitor(LoggingConfigurable):
pongstream: an XREP stream
period: the period of the heartbeat in milliseconds"""
- period = Integer(1000, config=True,
+ period = Integer(3000, config=True,
help='The frequency at which the Hub pings the engines for heartbeats '
'(in ms)',

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