From: Anthony D'Atri Date: Mon, 27 Oct 2025 04:01:37 +0000 (-0400) Subject: Merge pull request #66044 from anthonyeleven/typofixx X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=a43f5c7605bd67ebeba09f1c209966e19922c30c;p=ceph.git Merge pull request #66044 from anthonyeleven/typofixx doc/start: Improve hardware-recommendations.rst --- a43f5c7605bd67ebeba09f1c209966e19922c30c diff --cc doc/start/hardware-recommendations.rst index 2588c2b5cdee,1047d56fc35c..66fc0c3e92c3 --- a/doc/start/hardware-recommendations.rst +++ b/doc/start/hardware-recommendations.rst @@@ -137,13 -143,14 +143,14 @@@ configuration option .. tip:: Configuring the operating system with swap to provide additional virtual memory for daemons is not advised for modern systems. Doing - may result in lower performance, and your Ceph cluster may well be + so may result in lower performance, and your Ceph cluster may well be happier with a daemon that crashes vs one that slows to a crawl. - When using the legacy FileStore back end, the OS page cache was used for caching - data, so tuning was not normally needed. When using the legacy FileStore backend, - the OSD memory consumption was related to the number of PGs per daemon in the - system. + When using the legacy Filestore back end, the OS page cache was used for caching + data, so tuning was not normally needed. OSD memory consumption is related + to the workload and number of PGs that it serves. BlueStore OSDs do not use + the page cache, so the autotuner is recommended to ensure that RAM is used + fully but prudently. Data Storage