From f550b7e6c23e270adffdd532bd2ad77e6601cc7a Mon Sep 17 00:00:00 2001 From: Scott Little Date: Wed, 1 Aug 2018 12:23:48 -0400 Subject: [PATCH] Relocate io-scheduler to stx-integ/config-files/io-scheduler Move content from stx-utils into stx-integ or stx-update Packages will be relocated to stx-update: enable-dev-patch extras stx-integ: config-files/ io-scheduler filesystem/ filesystem-scripts grub/ grubby logging/ logmgmt tools/ collector monitor-tools tools/engtools/ hostdata-collectors parsers utilities/ build-info branding (formerly wrs-branding) platform-util Change-Id: Id6b1984eb421278610709eea54e055de5269bf18 Story: 2002801 Task: 22687 Signed-off-by: Scott Little --- centos_pkg_dirs | 1 + .../io-scheduler/centos/build_srpm.data | 2 + .../centos/files/60-io-scheduler.rules | 28 +++ .../io-scheduler/centos/files/LICENSE | 202 ++++++++++++++++++ .../io-scheduler/centos/io-scheduler.spec | 29 +++ 5 files changed, 262 insertions(+) create mode 100644 config-files/io-scheduler/centos/build_srpm.data create mode 100644 config-files/io-scheduler/centos/files/60-io-scheduler.rules create mode 100644 config-files/io-scheduler/centos/files/LICENSE create mode 100644 config-files/io-scheduler/centos/io-scheduler.spec diff --git a/centos_pkg_dirs b/centos_pkg_dirs index 6d86ffae2..334835346 100644 --- a/centos_pkg_dirs +++ b/centos_pkg_dirs @@ -110,3 +110,4 @@ kubernetes/helm logging/logmgmt filesystem/filesystem-scripts utilities/branding +config-files/io-scheduler diff --git a/config-files/io-scheduler/centos/build_srpm.data b/config-files/io-scheduler/centos/build_srpm.data new file mode 100644 index 000000000..abc72096c --- /dev/null +++ b/config-files/io-scheduler/centos/build_srpm.data @@ -0,0 +1,2 @@ +COPY_LIST="$FILES_BASE/*" +TIS_PATCH_VER=0 diff --git a/config-files/io-scheduler/centos/files/60-io-scheduler.rules b/config-files/io-scheduler/centos/files/60-io-scheduler.rules new file mode 100644 index 000000000..66601737c --- /dev/null +++ b/config-files/io-scheduler/centos/files/60-io-scheduler.rules @@ -0,0 +1,28 @@ +# This file contains the rules to customize io scheduler. + +# Heuristics: +# 'deadline' io-scheduler tuned settings +# - deadline generally recommended for databases, servers, and SSDs, +# and for more deterministic latency +# - note that read_expire is a key tuning parameter here +# - the following is recommended by DRBD user guide +# front_merges: 0 (from 1) +# read_expire: 150 (from 500) +# write_expire: 1500 (from 5000) +# +# 'noop' io scheduler for variants of HW-RAID. +# - RAID controller will do its own separate scheduling +# +# Overall: +# - We prefer to guarantee latency more than fairness for all platform services, +# especially under extreme read and write load, e.g, when creating/deleting +# multiple heat stacks, or running disk intensive operations. + +ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]", ATTR{queue/scheduler}="deadline" +ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]", ATTR{queue/iosched/front_merges}="0" +ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]", ATTR{queue/iosched/read_expire}="150" +ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]", ATTR{queue/iosched/write_expire}="1500" + +# Set noop io scheduler for variants of HW-RAID. +# HP ProLiant DL360p Gen8; HP ProLiant DL380p Gen8 +ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]", ATTRS{raid_level}=="*RAID*", ATTR{queue/scheduler}="noop" diff --git a/config-files/io-scheduler/centos/files/LICENSE b/config-files/io-scheduler/centos/files/LICENSE new file mode 100644 index 000000000..d64569567 --- /dev/null +++ b/config-files/io-scheduler/centos/files/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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