ceph/0023-common-mempool-only-fail-tests-if-sharding-is-very-b.patch
liqiang 61405743cb fix performance issue of pick_a_shard
Signed-off-by: liqiang <liqiang64@huawei.com>
2021-12-29 11:33:17 +08:00

28 lines
907 B
Diff

From db79769d6d557acc021a434ff285db2d69458d0a Mon Sep 17 00:00:00 2001
From: singuliere <singuliere@autistici.org>
Date: Wed, 17 Mar 2021 07:35:04 +0100
Subject: [PATCH] common/mempool: only fail tests if sharding is very bad
Fixes: https://tracker.ceph.com/issues/49781
Signed-off-by: singuliere <singuliere@autistici.org>
---
src/include/mempool.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/include/mempool.h b/src/include/mempool.h
index c03aa175cfa..fe84f3b8f09 100644
--- a/src/include/mempool.h
+++ b/src/include/mempool.h
@@ -259,7 +259,7 @@ public:
// Dirt cheap, see:
// https://fossies.org/dox/glibc-2.32/pthread__self_8c_source.html
size_t me = (size_t)pthread_self();
- size_t i = (me >> 12) & ((1 << num_shard_bits) - 1);
+ size_t i = (me >> CEPH_PAGE_SHIFT) & ((1 << num_shard_bits) - 1);
return i;
}
--
2.23.0.windows.1