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2025-09-23 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Redis installation path / usr/local/redis log: / usr/local/redis/logs/redis.log monitoring tool: redis-stat Redmon
/ / without the configuration file, the default parameters are loaded by default startup, and the changed configuration file will not take effect.
Startup: change to the src directory to execute. / redis-server.. / redis.conf
Background startup:. / redis-server &
Start client:./redis-cli-h IP-p port
Query Redis configuration: CONFIG get *-all
CONFIG get XXX-query specific fields
CONFIG set XXX YYY (set XXX = YYY)-- modify a field
Modify the redis configuration (no modification of the configuration file, invalidation after restart):
Config set loglevel "notice"
Check the keys:keys of Redis-- query all
Check the match: keys "miao"
Check the number of connections in Redis, the number of memory used, blocked connections, etc.
. / redis-cli-h {IP} info | grep-e "connected_clients"-e "blocked_clients"-e "used_memory_human"-e "used_memory_peak_human"-e "rejected_connections"-e "evicted_keys"-e "instantaneous"-e "mem_fragmentation_ratio"-e "used_memory"-e "used_memory_rss"
# check the number of key in the database
Dbsize
# View logs
Slowlog get
Slowlog get 10
# turn off redis
Execute after connecting to the redis-cli
Shutdown save | nosave / / Save or not save
# clear redis
Flushdb
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