slow log configuration implemented
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parent
63d62eb786
commit
35a6044140
18
redis.conf
18
redis.conf
@ -312,6 +312,24 @@ no-appendfsync-on-rewrite no
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auto-aof-rewrite-percentage 100
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auto-aof-rewrite-min-size 64mb
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################################## SLOW LOG ###################################
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# The Redis Slow Log is a system to log queries that exceeded a specified
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# execution time. The execution time does not include the I/O operations
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# like talking with the client, sending the reply and so forth,
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# but just the time needed to actually execute the command (this is the only
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# stage of command execution where the thread is blocked and can not serve
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# other requests in the meantime).
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#
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# You can configure the slow log with two parameters: one tells Redis
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# what is the execution time, in microseconds, to exceed in order for the
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# command to get logged, and the other parameter is the length of the
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# slow log. When a new command is logged the oldest one is removed from the
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# queue of logged commands.
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slowlog-log-slower-than 10000
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slowlog-log-len 1024
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############################### ADVANCED CONFIG ###############################
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# Hashes are encoded in a special way (much more memory efficient) when they
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22
src/config.c
22
src/config.c
@ -296,6 +296,12 @@ void loadServerConfig(char *filename) {
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} else if (!strcasecmp(argv[0],"cluster-config-file") && argc == 2) {
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zfree(server.cluster.configfile);
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server.cluster.configfile = zstrdup(argv[1]);
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} else if (!strcasecmp(argv[0],"slowlog-log-slower-than") &&
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argc == 2)
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{
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server.slowlog_log_slower_than = strtoll(argv[1],NULL,10);
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} else if (!strcasecmp(argv[0],"slowlog-max-len") && argc == 2) {
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server.slowlog_max_len = strtoll(argv[1],NULL,10);
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} else {
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err = "Bad directive or wrong number of arguments"; goto loaderr;
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}
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@ -466,6 +472,12 @@ void configSetCommand(redisClient *c) {
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} else if (!strcasecmp(c->argv[2]->ptr,"zset-max-ziplist-value")) {
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if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;
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server.zset_max_ziplist_value = ll;
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} else if (!strcasecmp(c->argv[2]->ptr,"slowlog-log-slower-than")) {
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if (getLongLongFromObject(o,&ll) == REDIS_ERR) goto badfmt;
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server.slowlog_log_slower_than = ll;
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} else if (!strcasecmp(c->argv[2]->ptr,"slowlog-max-len")) {
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if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;
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server.slowlog_max_len = (unsigned)ll;
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} else {
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addReplyErrorFormat(c,"Unsupported CONFIG parameter: %s",
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(char*)c->argv[2]->ptr);
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@ -637,6 +649,16 @@ void configGetCommand(redisClient *c) {
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addReplyBulkLongLong(c,server.zset_max_ziplist_value);
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matches++;
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}
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if (stringmatch(pattern,"slowlog-log-slower-than",0)) {
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addReplyBulkCString(c,"slowlog-log-slower-than");
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addReplyBulkLongLong(c,server.slowlog_log_slower_than);
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matches++;
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}
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if (stringmatch(pattern,"slowlog-max-len",0)) {
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addReplyBulkCString(c,"slowlog-max-len");
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addReplyBulkLongLong(c,server.slowlog_max_len);
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matches++;
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}
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setDeferredMultiBulkLength(c,replylen,matches*2);
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}
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@ -529,7 +529,7 @@ struct redisServer {
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long long stat_fork_time; /* time needed to perform latets fork() */
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list *slowlog;
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long long slowlog_log_slower_than;
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unsigned int slowlog_max_len;
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unsigned long slowlog_max_len;
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/* Configuration */
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int verbosity;
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int maxidletime;
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@ -54,6 +54,7 @@ void slowlogInit(void) {
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* This function will make sure to trim the slow log accordingly to the
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* configured max length. */
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void slowlogPushEntryIfNeeded(robj **argv, int argc, long long duration) {
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if (server.slowlog_log_slower_than < 0) return; /* Slowlog disabled */
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if (duration > server.slowlog_log_slower_than)
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listAddNodeHead(server.slowlog,slowlogCreateEntry(argv,argc,duration));
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