Il mar 27 mar 2018, 00:56 Sijie Guo <guosi...@gmail.com> ha scritto: > Hi all, > > I went through the bookkeeper configuration file to see if there are any > settings we should change their default values for most of the > installations. > > Here I would like to raise a discussion about two settings: > > - `journalRemoveFromPageCache`: this settings is false. but it should be > enabled by default, because journal pages are okay to be removed from page > cache after they are fsynced to disks. That is what Twitter/Yahoo is using > on production. > > - `fileInfoCacheInitialCapacity`: this setting is related to > `openFileLimit`. `openFileLimit` is 20000 by default. so change this value > to 1/4 of openFileLimit, giving a good balance between initial capacity and > the limit and also avoid resizing cache too many times if it eventually > hits the limit. > > Here the proposed change: https://github.com/apache/bookkeeper/pull/1294
Sounds good to me. Already sent my +1 And thank you for revaming config files and docs Enrico > > > > > > > - Sijie > -- -- Enrico Olivelli
