February 2018
Intermediate to advanced
382 pages
11h 33m
English
Content preview from Redis 4.x Cookbook
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How to do it...
The operations for administrating Redis Sentinel are as follows:
- Exploring Sentinel commands:
- Connect to one of the Sentinels using redis-cli:
user@192.168.0.33:~$bin/redis-cli -h 192.168.0.33 -p 26379192.168.0.33:26379>
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- To get current master data server information, use SENTINEL GET-MASTER-ADDR-BY-NAME <master-name>:
192.168.0.33:26379> SENTINEL GET-MASTER-ADDR-BY-NAME mymaster1) "192.168.0.31"2) "6379"
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- To get the state of all masters that are being monitored, use SENTINEL MASTERS:
192.168.0.33:26379> SENTINEL MASTERS1) 1) "name"2) "mymaster"3) "ip"4) "192.168.0.31"5) "port"...17) "last-ok-ping-reply"18) "364"...
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- Similarly, to get slaves' information for a monitored master node, use SENTINEL SLAVES <master-name> ...
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