Giuseppe Lavagetto has uploaded a new change for review.
https://gerrit.wikimedia.org/r/212266
Change subject: hhvm: adjust TC size and ratios
......................................................................
hhvm: adjust TC size and ratios
I created the new values based on data collected in production
Change-Id: I15a428c95b5affe27db323334a3ab47e11394c7f
---
M modules/hhvm/manifests/init.pp
1 file changed, 4 insertions(+), 6 deletions(-)
git pull ssh://gerrit.wikimedia.org:29418/operations/puppet
refs/changes/66/212266/1
diff --git a/modules/hhvm/manifests/init.pp b/modules/hhvm/manifests/init.pp
index 160aee8..4df286b 100644
--- a/modules/hhvm/manifests/init.pp
+++ b/modules/hhvm/manifests/init.pp
@@ -63,7 +63,7 @@
$fcgi_settings = {},
$cli_settings = {},
$cache_dir = '/run/hhvm/cache',
- $base_jit_size = to_bytes('200 Mb'),
+ $base_jit_size = to_bytes('300 Mb'),
) {
requires_os('ubuntu >= trusty')
@@ -91,14 +91,12 @@
# You can check TC memory usage stats via the /vm-tcspace end-point
# of the admin server.
#
- # A ratio of 1 : 0.33 : 1 for a : a_cold : a_frozen is good
- # general guidance. It has been raised to a larger value as cold
- # TC was completely exhausted.
-
+ # A ratio of 1 : 0.5 : 0.5 for a : a_cold : a_frozen is good
+ # in our use-case.
$a_size = $base_jit_size
$a_cold_size = 0.5 * $base_jit_size
- $a_frozen_size = $base_jit_size
+ $a_frozen_size = 0.5 * $base_jit_size
$common_defaults = {
--
To view, visit https://gerrit.wikimedia.org/r/212266
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: I15a428c95b5affe27db323334a3ab47e11394c7f
Gerrit-PatchSet: 1
Gerrit-Project: operations/puppet
Gerrit-Branch: production
Gerrit-Owner: Giuseppe Lavagetto <glavage...@wikimedia.org>
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