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Adjust CPU and IO shares when running under systemd

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Let's remove the CPUQuota example and instead give bees a share of
what's available.

128 CPU shares will give it about 12% max CPU under load, give it a
slight boost during startup to allow reading the hash table faster.

100 block shares will give it about 10% max disk bandwidht under load,
give it a slight boost during startup to allow reading the hash table
faster.

Then let's adjust the CPU and IO scheduler to prefer other processes.
This way bees runs completely in the background, barely noticable
during, e.g., gaming.
This commit is contained in:
Kai Krakow 2017-09-19 20:42:07 +02:00
parent 62626aef7f
commit 0455827989
1 changed files with 7 additions and 1 deletions
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8
scripts/beesd@.service
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@ -8,11 +8,17 @@ ExecStart=/usr/sbin/beesd %i
Nice=19
KillMode=control-group
KillSignal=SIGTERM
CPUShares=128
StartupCPUShares=256
BlockIOWeight=100
StartupBlockIOWeight=250
IOSchedulingClass=idle
IOSchedulingPriority=7
CPUSchedulingPolicy=batch
Nice=19
Restart=on-abnormal
CPUAccounting=true
MemoryAccounting=true
# CPUQuota=95%
[Install]
WantedBy=local-fs.target