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Reserve more RAM for master process in Puma 

The Puma Worker Killer checks the total RAM used by both the master
and worker processes. Bump the limits to N+1 instead of N workers
to account for this.
This commit is contained in:
Stan Hu 2018-11-01 00:27:38 -07:00
parent 31733b6fc5
commit d19ba4439b
1 changed files with 5 additions and 1 deletions
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6
lib/gitlab/cluster/puma_worker_killer_initializer.rb
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@ -11,7 +11,11 @@ module Gitlab
# Importantly RAM is for _all_workers (ie, the cluster),
# not each worker as is the case with GITLAB_UNICORN_MEMORY_MAX
worker_count = puma_options[:workers] || 1
config.ram = worker_count * puma_per_worker_max_memory_mb
# The Puma Worker Killer checks the total RAM used by both the master
# and worker processes. Bump the limits to N+1 instead of N workers
# to account for this:
# https://github.com/schneems/puma_worker_killer/blob/v0.1.0/lib/puma_worker_killer/puma_memory.rb#L57
config.ram = (worker_count + 1) * puma_per_worker_max_memory_mb
config.frequency = 20 # seconds