Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Fix the election was reset wrongly before failover epoch was obtained #1339

Open
wants to merge 1 commit into
base: unstable
Choose a base branch
from
+7 −1
Open

Fix the election was reset wrongly before failover epoch was obtained #1339

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion src/cluster_legacy.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3147,7 +3147,8 @@ int clusterProcessPacket(clusterLink *link) {
sender->configEpoch = sender_claimed_config_epoch;
clusterDoBeforeSleep(CLUSTER_TODO_SAVE_CONFIG | CLUSTER_TODO_FSYNC_CONFIG);

if (server.cluster->failover_auth_time && sender->configEpoch >= server.cluster->failover_auth_epoch) {
if (server.cluster->failover_auth_time && server.cluster->failover_auth_sent &&
sender->configEpoch >= server.cluster->failover_auth_epoch) {
/* Another node has claimed an epoch greater than or equal to ours.
* If we have an ongoing election, reset it because we cannot win
* with an epoch smaller than or equal to the incoming claim. This
Expand Down
5 changes: 5 additions & 0 deletions tests/unit/cluster/failover2.tcl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,11 @@ start_cluster 7 3 {tags {external:skip cluster} overrides {cluster-ping-interval
fail "No failover detected"
}

# Make sure there is no false epoch 0.
verify_no_log_message -7 "*Failover election in progress for epoch 0*" 0
verify_no_log_message -8 "*Failover election in progress for epoch 0*" 0
verify_no_log_message -9 "*Failover election in progress for epoch 0*" 0

# Make sure there is no failover timeout.
verify_no_log_message -7 "*Failover attempt expired*" 0
verify_no_log_message -8 "*Failover attempt expired*" 0
Expand Down
Loading