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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2020-04-11 19:31:16 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-23 00:08:38 +0300 |
| commit | f270667a7fc020f1711953ad3b0d6e6b38eba834 (patch) | |
| tree | 3c96018cdc7f482a66f0287b720eeb5235fdfafe /fs/bcachefs/btree_cache.h | |
| parent | 15a07f2eae6852dc4f3c1172601d592be0f5756f (diff) | |
| download | linux-f270667a7fc020f1711953ad3b0d6e6b38eba834.tar.xz | |
bcachefs: Slightly reduce btree split threshold
2/3rds performs a lot better than 3/4ths on the tested workloda, leading
to significanly fewer btree node compactions.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/btree_cache.h')
| -rw-r--r-- | fs/bcachefs/btree_cache.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/bcachefs/btree_cache.h b/fs/bcachefs/btree_cache.h index abde6c2658c6..2160012c734f 100644 --- a/fs/bcachefs/btree_cache.h +++ b/fs/bcachefs/btree_cache.h @@ -94,7 +94,7 @@ static inline unsigned btree_blocks(struct bch_fs *c) return c->opts.btree_node_size >> c->block_bits; } -#define BTREE_SPLIT_THRESHOLD(c) (btree_max_u64s(c) * 3 / 4) +#define BTREE_SPLIT_THRESHOLD(c) (btree_max_u64s(c) * 2 / 3) #define BTREE_FOREGROUND_MERGE_THRESHOLD(c) (btree_max_u64s(c) * 1 / 3) #define BTREE_FOREGROUND_MERGE_HYSTERESIS(c) \ |