diff options
| author | antirez <antirez@gmail.com> | 2014-10-07 09:51:55 +0200 |
|---|---|---|
| committer | antirez <antirez@gmail.com> | 2014-10-07 09:51:55 +0200 |
| commit | edb3987a061a8425bac8afcffe66293cf819a54c (patch) | |
| tree | ed58913794b42ec9aa15b5fcf1102cf13449daa8 /src/cluster.h | |
| parent | e4b0c8ec50f2248286b770a655ea85d5cfcc79f4 (diff) | |
| download | redis-edb3987a061a8425bac8afcffe66293cf819a54c.tar.gz | |
Cluster: more chatty slaves when failover is stalled.
Diffstat (limited to 'src/cluster.h')
| -rw-r--r-- | src/cluster.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/cluster.h b/src/cluster.h index 3287afe72..b05a30ded 100644 --- a/src/cluster.h +++ b/src/cluster.h @@ -62,6 +62,14 @@ typedef struct clusterLink { #define nodeTimedOut(n) ((n)->flags & REDIS_NODE_PFAIL) #define nodeFailed(n) ((n)->flags & REDIS_NODE_FAIL) +/* Reasons why a slave is not able to failover. */ +#define REDIS_CLUSTER_CANT_FAILOVER_NONE 0 +#define REDIS_CLUSTER_CANT_FAILOVER_DATA_AGE 1 +#define REDIS_CLUSTER_CANT_FAILOVER_WAITING_DELAY 2 +#define REDIS_CLUSTER_CANT_FAILOVER_EXPIRED 3 +#define REDIS_CLUSTER_CANT_FAILOVER_WAITING_VOTES 4 +#define REDIS_CLUSTER_CANT_FAILOVER_RELOG_PERIOD (60*5) /* seconds. */ + /* This structure represent elements of node->fail_reports. */ typedef struct clusterNodeFailReport { struct clusterNode *node; /* Node reporting the failure condition. */ @@ -107,6 +115,8 @@ typedef struct clusterState { int failover_auth_sent; /* True if we already asked for votes. */ int failover_auth_rank; /* This slave rank for current auth request. */ uint64_t failover_auth_epoch; /* Epoch of the current election. */ + int cant_failover_reason; /* Why a slave is currently not able to + failover. See the CANT_FAILOVER_* macros. */ /* Manual failover state in common. */ mstime_t mf_end; /* Manual failover time limit (ms unixtime). It is zero if there is no MF in progress. */ |