struct timeval timeout;
char *prefix;
int database;
+ int max_set_size;
+ _Bool store_rates;
redisContext *conn;
pthread_mutex_t lock;
memset (value, 0, sizeof (value));
value_size = sizeof (value);
value_ptr = &value[0];
- status = format_values (value_ptr, value_size, ds, vl, /* store rates = */ 0);
- pthread_mutex_lock (&node->lock);
+ status = format_values (value_ptr, value_size, ds, vl, node->store_rates);
if (status != 0)
return (status);
+ pthread_mutex_lock (&node->lock);
+
if (node->conn == NULL)
{
node->conn = redisConnectWithTimeout ((char *)node->host, node->port, node->timeout);
pthread_mutex_unlock (&node->lock);
return (-1);
}
-
+
rr = redisCommand(node->conn, "SELECT %d", node->database);
if (rr == NULL)
WARNING("SELECT command error. database:%d message:%s", node->database, node->conn->errstr);
else
freeReplyObject (rr);
+ if (node->max_set_size >= 0)
+ {
+ rr = redisCommand (node->conn, "ZREMRANGEBYRANK %s %d %d", key, 0, (-1 * node->max_set_size) - 1);
+ if (rr == NULL)
+ WARNING("ZREMRANGEBYRANK command error. key:%s message:%s", key, node->conn->errstr);
+ else
+ freeReplyObject (rr);
+ }
+
/* TODO(octo): This is more overhead than necessary. Use the cache and
* metadata to determine if it is a new metric and call SADD only once for
* each metric. */
node->conn = NULL;
node->prefix = NULL;
node->database = 0;
+ node->max_set_size = -1;
+ node->store_rates = 1;
pthread_mutex_init (&node->lock, /* attr = */ NULL);
status = cf_util_get_string_buffer (ci, node->name, sizeof (node->name));
else if (strcasecmp ("Database", child->key) == 0) {
status = cf_util_get_int (child, &node->database);
}
+ else if (strcasecmp ("MaxSetSize", child->key) == 0) {
+ status = cf_util_get_int (child, &node->max_set_size);
+ }
+ else if (strcasecmp ("StoreRates", child->key) == 0) {
+ status = cf_util_get_boolean (child, &node->store_rates);
+ }
else
WARNING ("write_redis plugin: Ignoring unknown config option \"%s\".",
child->key);