io_uring: increase IORING_MAX_ENTRIES to 32K

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Some workloads can require far more than 4K oustanding entries. For
example memcached can have ~300K sockets over ~40 cores. Bumping the max
to 32K seems to work pretty well.

Reported-by: Dan Melnic <dmm@fb.com>
Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Daniel Xu 2019-09-14 14:23:45 -07:00 • committed by Jens Axboe

parent b2a9eadab8

commit 5277deaab9

1 changed files with 1 additions and 1 deletions

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fs/io_uring.c

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