Code optimizations to reduce disk writes on SONiC switches #20640
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assrinivasan
requested review from
StormLiangMS,
qiluo-msft and
lguohan
as code owners
saiarcot895
reviewed
Oct 29, 2024
| @@ -104,6 +104,10 @@ sudo dpkg --root=$FILESYSTEM_ROOT -i $debs_path/sonic-nettools_*.deb || \ | |||
| sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install -f | |||
| sudo setcap 'cap_net_raw=+ep' $FILESYSTEM_ROOT/usr/bin/wol | |||
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| # This is needed for moving monit logs, state and logrotate status to tmpfs | |||
| sudo mkdir -p $FILESYSTEM_ROOT/dev/shm/monit/ | |||
| sudo mkdir -p $FILESYSTEM_ROOT/dev/shm/logrotate/ | |||
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This isn't going to be present on bootup. At bootup, a tmpfs filesystem is mounted at /dev/shm.
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Why I did it
This PR contains various optimizations to reduce disk writes on SONiC switches as mentioned in the High-level Design.
This contributes to the overall reduction in data written to the disk over time, which can help extend the life of the disk and reduce the risk of disk failure.
Work item tracking
How I did it
How to verify it
Flash image with these optimizations onto a sonic switch and check the following:
show bgp summary jsonWhich release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
Code optimizations to reduce disk writes on SONiC switches