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clusterState->mf_master_offset init offset change to -1 (#8651)

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resolve cluster failover timeout when master repl_offset is 0
This commit is contained in:
linyi-xq 2021-03-23 11:00:33 +08:00 committed by GitHub
parent 6bf81eb7b1
commit 725762c48d
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2 changed files with 4 additions and 4 deletions
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6
src/cluster.c
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@ -1811,7 +1811,7 @@ int clusterProcessPacket(clusterLink *link) {
nodeIsSlave(myself) &&
myself->slaveof == sender &&
hdr->mflags[0] & CLUSTERMSG_FLAG0_PAUSED &&
server.cluster->mf_master_offset == 0)
server.cluster->mf_master_offset == -1)
{
server.cluster->mf_master_offset = sender->repl_offset;
clusterDoBeforeSleep(CLUSTER_TODO_HANDLE_MANUALFAILOVER);
@ -3419,7 +3419,7 @@ void resetManualFailover(void) {
server.cluster->mf_end = 0; /* No manual failover in progress. */
server.cluster->mf_can_start = 0;
server.cluster->mf_slave = NULL;
server.cluster->mf_master_offset = 0;
server.cluster->mf_master_offset = -1;
}
/* If a manual failover timed out, abort it. */
@ -3440,7 +3440,7 @@ void clusterHandleManualFailover(void) {
* next steps are performed by clusterHandleSlaveFailover(). */
if (server.cluster->mf_can_start) return;
if (server.cluster->mf_master_offset == 0) return; /* Wait for offset... */
if (server.cluster->mf_master_offset == -1) return; /* Wait for offset... */
if (server.cluster->mf_master_offset == replicationGetSlaveOffset()) {
/* Our replication offset matches the master replication offset

2
src/cluster.h
View File

@ -168,7 +168,7 @@ typedef struct clusterState {
clusterNode *mf_slave; /* Slave performing the manual failover. */
/* Manual failover state of slave. */
long long mf_master_offset; /* Master offset the slave needs to start MF
or zero if still not received. */
or -1 if still not received. */
int mf_can_start; /* If non-zero signal that the manual failover
can start requesting masters vote. */
/* The following fields are used by masters to take state on elections. */