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Avi Kivity e515933c70 dist: tune scheduler for lower latency

Scylla-jmx and collectd can preempt scylla and induce long latencies.  Tune
the scheduler to provide lower latencies.

Since when the support processes are not running we normally do not context
switch (one thread per core, remember?), there should be no effect on
throughput.

The tunings are provided in a separate package, which can be uninstalled
if the server is shared with other applications which are negatively
affected by the tuning.

Fixes #1218.
Message-Id: <1464529625-12825-1-git-send-email-avi@scylladb.com>

2016-05-30 08:42:19 +03:00

debian

dist: tune scheduler for lower latency

2016-05-30 08:42:19 +03:00

dep

dist/ubuntu/dep: introduce scylla-gdb-7.11 for Ubuntu 14.04LTS

2016-05-10 17:53:32 +03:00

scripts

dist: #!/bin/bash for all scripts

2016-04-14 12:01:28 +03:00

sysctl.d

dist: use systemd-coredump on Fedora/CentOS, create symlink /var/lib/scylla/coredump -> /var/lib/systemd/coredump when we mounted RAID