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Set runtime readahead to 128KiB

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Reduce readahead to 128KiB to reduce thrashing under memory pressure.

Bug: 110908295
Bug: 111855179
Test: Boot
Change-Id: I449d2733bc836ed7661653efb2400fc031a76644
This commit is contained in:
Wei Wang
2018-07-26 13:47:13 -07:00
parent 54cfea8816
commit bed30a438f
1 changed files with 3 additions and 3 deletions
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6
init-common.rc
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@@ -10,11 +10,11 @@ on late-fs
on property:sys.boot_completed=1
# end boot time fs tune
write /sys/block/sda/queue/read_ahead_kb 1024
write /sys/block/sda/queue/read_ahead_kb 128
write /sys/block/sda/queue/nr_requests 128
write /sys/block/sda/queue/iostats 1
write /sys/block/dm-0/queue/read_ahead_kb 512
write /sys/block/dm-1/queue/read_ahead_kb 512
write /sys/block/dm-0/queue/read_ahead_kb 128
write /sys/block/dm-1/queue/read_ahead_kb 128
on property:sys.boot_completed=1 && property:ro.build.type=user
write /proc/sys/kernel/modules_disabled 1