diff options
| author | WuYunlong <xzsyeb@126.com> | 2020-10-27 14:13:59 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-27 08:13:59 +0200 |
| commit | 7fa56dd773cac7155f7a7768458b1f59d1f39a13 (patch) | |
| tree | b3b131da976f3f3f6d89567a23c78ad7fd6bc5a5 /src/cluster.h | |
| parent | dac26729a9259754eda0403cd32f011a3d2a89e1 (diff) | |
| download | redis-7fa56dd773cac7155f7a7768458b1f59d1f39a13.tar.gz | |
Speedup cluster failover. (#7948)
This commit deals with manual failover as well as non-manual failover.
We did tests with manual failover as follows:
1, Setup redis cluster which holds 16 partions, each having only
1 corresponding replica.
2, Write a batch of data to redis cluster and make sure the redis is doing
a active expire in serverCron.
3, Do a manual failover sequentially to each partions with a time interval
of 3 minutes.
4, Collect logs and do some computaiton work.
The result:
case avgTime maxTime minTime
C1 95.8ms 227ms 25ms
C2 47.9ms 96ms 12ms
C3 12.6ms 27ms 7ms
Explanation
case C1: All nodes use the version before optimization
case C2: Masters use the elder version while replicas use the optimized version
case C3: All nodes use the optimized version
failover time: The time between when replica got a `manual failover request` and
when it `won the failover election`.
avgTime: average failover time
maxTime: maximum failover time
minTime: mimimum failover time
ms: millisecond
Co-authored-by: chendq8 <c.d_q@163.com>
Diffstat (limited to 'src/cluster.h')
| -rw-r--r-- | src/cluster.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/cluster.h b/src/cluster.h index 48a111764..95b710383 100644 --- a/src/cluster.h +++ b/src/cluster.h @@ -77,6 +77,7 @@ typedef struct clusterLink { #define CLUSTER_TODO_UPDATE_STATE (1<<1) #define CLUSTER_TODO_SAVE_CONFIG (1<<2) #define CLUSTER_TODO_FSYNC_CONFIG (1<<3) +#define CLUSTER_TODO_HANDLE_MANUALFAILOVER (1<<4) /* Message types. * |