Commit - sanlock - bcd94c521c40676a31175998f5697f2a8d76087d

    sanlock: use hugepages to avoid splitting read io
    
    Use 2MB transparent hugepages via madvise(MADV_HUGEPAGE) to
    reduce or eliminate splitting read io's for lease areas.
    This requires allocating 2MB of memory for 1MB lease areas,
    leading to some minimal wasted allocation.

src/cmd.c

file modified

+2 -0

src/delta_lease.c

file modified

+39 -11

src/diskio.c

file modified

+7 -7

src/lockspace.c

file modified

+0 -3

src/main.c

file modified

+8 -0

src/paxos_lease.c

file modified

+85 -29

src/sanlock.8

file modified

+11 -0

src/sanlock.conf

file modified

+3 -0

src/sanlock_internal.h

file modified

+5 -0

sanlock

Source Code

bcd94c5 sanlock: use hugepages to avoid splitting read io

Authored and Committed by teigland 10 months ago

`bcd94c5` sanlock: use hugepages to avoid splitting read io