Noticed the SMP client had a hiccup today. 
[19:57:24] Completed 37500 out of 250000 steps (15 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 40000 out of 250000 steps (16 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 42500 out of 250000 steps (17 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 45000 out of 250000 steps (18 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 47500 out of 250000 steps (19 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 50000 out of 250000 steps (20 percent)
Did the earth pass through a black hole?
Should I switch to SAH?
Re started and time started to pass normally again.

[19:57:24] Completed 37500 out of 250000 steps (15 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 40000 out of 250000 steps (16 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 42500 out of 250000 steps (17 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 45000 out of 250000 steps (18 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 47500 out of 250000 steps (19 percent)
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Timered checkpoint triggered.
[19:57:24] Writing local files
[19:57:24] Completed 50000 out of 250000 steps (20 percent)
Did the earth pass through a black hole?
Should I switch to SAH?

Re started and time started to pass normally again.