diff options
| author | Daniel Xu <dxu@dxuuu.xyz> | 2019-09-14 14:23:45 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-09-14 17:06:22 -0600 |
| commit | 5277deaab9f98229bdfb8d1e30019b6c25052708 (patch) | |
| tree | 62ac6833609ad27867e9fc58b0c3bee8c82430e6 | |
| parent | b2a9eadab85730935f5a6fe19f3f61faaaced601 (diff) | |
io_uring: increase IORING_MAX_ENTRIES to 32K
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>
| -rw-r--r-- | fs/io_uring.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 3c8859d417eb..0dadbdbead0f 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -75,7 +75,7 @@ #include "internal.h" -#define IORING_MAX_ENTRIES 4096 +#define IORING_MAX_ENTRIES 32768 #define IORING_MAX_FIXED_FILES 1024 struct io_uring { |