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From Kapil Arya <>
Subject Review Request 42518: Disabled "drop_log_memory" flag for glog.
Date Fri, 22 Jan 2016 22:14:21 GMT

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Review request for mesos, Ben Mahler, Cody Maloney, and Joris Van Remoortere.

Bugs: MESOS-920

Repository: mesos


When this flag is set, glog makes several hundred `posix_fadvise(...,
POSIX_FADV_DONTNEED)` calls per second to advise the kernel to drop
in-memory buffers related to log contents.


  src/logging/logging.cpp f7619b18fa4a78b20951edad892ca5c616bbed55 



Verified with the patch by running under gdb and placing a breakpoint on posix_fadvise. The
breakpoint doesn't hit anymore.


Kapil Arya

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