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The following commit(s) were added to refs/heads/master by this push:
new 713bbb17 lalb try left server nodes (#2428)
713bbb17 is described below
commit 713bbb175811f1919737fb22f221938f4c7b12eb
Author: Yazawa Nico <[email protected]>
AuthorDate: Mon Nov 27 17:19:14 2023 +0800
lalb try left server nodes (#2428)
* lalb try left server nodes
* beautify
* add comment
* typo
---------
Co-authored-by: zhoushan <[email protected]>
---
src/brpc/policy/locality_aware_load_balancer.cpp | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/brpc/policy/locality_aware_load_balancer.cpp
b/src/brpc/policy/locality_aware_load_balancer.cpp
index 6f0c163c..68d85ad3 100644
--- a/src/brpc/policy/locality_aware_load_balancer.cpp
+++ b/src/brpc/policy/locality_aware_load_balancer.cpp
@@ -334,9 +334,13 @@ int LocalityAwareLoadBalancer::SelectServer(const
SelectIn& in, SelectOut* out)
if (dice >= left + self + diff) {
dice -= left + self + diff;
index = index * 2 + 2;
- if (index < n) {
- continue;
- }
+ } else {
+ // left child may contain available nodes
+ dice = butil::fast_rand_less_than(left);
+ index = index * 2 + 1;
+ }
+ if (index < n) {
+ continue;
}
if (++ntry >= n) {
break;
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