Collect additional stats in memcached input (#4914)
This commit is contained in:
Mikhail Leonov
Daniel Nelson
parent
8d0ec993c7
commit
67cd2888db
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@ -20,31 +20,46 @@ The fields from this plugin are gathered in the *memcached* measurement.
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Fields:
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Fields:
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* get_hits - Number of keys that have been requested and found present
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* accepting_conns - Whether or not server is accepting conns
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* get_misses - Number of items that have been requested and not found
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* auth_cmds - Number of authentication commands handled, success or failure
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* evictions - Number of valid items removed from cache to free memory for new items
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* auth_errors - Number of failed authentications
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* limit_maxbytes - Number of bytes this server is allowed to use for storage
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* bytes - Current number of bytes used to store items
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* bytes - Current number of bytes used to store items
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* uptime - Number of secs since the server started
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* curr_items - Current number of items stored
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* total_items - Total number of items stored since the server started
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* curr_connections - Number of open connections
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* total_connections - Total number of connections opened since the server started running
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* connection_structures - Number of connection structures allocated by the server
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* cmd_get - Cumulative number of retrieval reqs
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* cmd_set - Cumulative number of storage reqs
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* delete_hits - Number of deletion reqs resulting in an item being removed
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* delete_misses - umber of deletions reqs for missing keys
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* incr_hits - Number of successful incr reqs
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* incr_misses - Number of incr reqs against missing keys
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* decr_hits - Number of successful decr reqs
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* decr_misses - Number of decr reqs against missing keys
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* cas_hits - Number of successful CAS reqs
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* cas_misses - Number of CAS reqs against missing keys
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* bytes_read - Total number of bytes read by this server from network
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* bytes_read - Total number of bytes read by this server from network
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* bytes_written - Total number of bytes sent by this server to network
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* bytes_written - Total number of bytes sent by this server to network
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* threads - Number of worker threads requested
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* cas_badval - Number of CAS reqs for which a key was found, but the CAS value did not match
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* cas_hits - Number of successful CAS reqs
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* cas_misses - Number of CAS reqs against missing keys
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* cmd_flush - Cumulative number of flush reqs
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* cmd_get - Cumulative number of retrieval reqs
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* cmd_set - Cumulative number of storage reqs
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* cmd_touch - Cumulative number of touch reqs
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* conn_yields - Number of times any connection yielded to another due to hitting the -R limit
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* conn_yields - Number of times any connection yielded to another due to hitting the -R limit
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* connection_structures - Number of connection structures allocated by the server
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* curr_connections - Number of open connections
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* curr_items - Current number of items stored
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* decr_hits - Number of successful decr reqs
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* decr_misses - Number of decr reqs against missing keys
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* delete_hits - Number of deletion reqs resulting in an item being removed
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* delete_misses - umber of deletions reqs for missing keys
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* evicted_unfetched - Items evicted from LRU that were never touched by get/incr/append/etc
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* evictions - Number of valid items removed from cache to free memory for new items
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* expired_unfetched - Items pulled from LRU that were never touched by get/incr/append/etc before expiring
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* get_hits - Number of keys that have been requested and found present
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* get_misses - Number of items that have been requested and not found
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* hash_bytes - Bytes currently used by hash tables
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* hash_is_expanding - Indicates if the hash table is being grown to a new size
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* hash_power_level - Current size multiplier for hash table
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* incr_hits - Number of successful incr reqs
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* incr_misses - Number of incr reqs against missing keys
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* limit_maxbytes - Number of bytes this server is allowed to use for storage
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* listen_disabled_num - Number of times server has stopped accepting new connections (maxconns)
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* reclaimed - Number of times an entry was stored using memory from an expired entry
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* threads - Number of worker threads requested
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* total_connections - Total number of connections opened since the server started running
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* total_items - Total number of items stored since the server started
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* touch_hits - Number of keys that have been touched with a new expiration time
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* touch_misses - Number of items that have been touched and not found
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* uptime - Number of secs since the server started
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Description of gathered fields taken from [here](https://github.com/memcached/memcached/blob/master/doc/protocol.txt).
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Description of gathered fields taken from [here](https://github.com/memcached/memcached/blob/master/doc/protocol.txt).
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@ -29,31 +29,46 @@ var defaultTimeout = 5 * time.Second
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// The list of metrics that should be sent
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// The list of metrics that should be sent
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var sendMetrics = []string{
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var sendMetrics = []string{
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"get_hits",
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"accepting_conns",
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"get_misses",
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"auth_cmds",
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"evictions",
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"auth_errors",
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"limit_maxbytes",
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"bytes",
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"bytes",
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"uptime",
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"curr_items",
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"total_items",
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"curr_connections",
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"total_connections",
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"connection_structures",
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"cmd_get",
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"cmd_set",
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"delete_hits",
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"delete_misses",
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"incr_hits",
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"incr_misses",
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"decr_hits",
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"decr_misses",
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"cas_hits",
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"cas_misses",
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"bytes_read",
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"bytes_read",
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"bytes_written",
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"bytes_written",
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"threads",
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"cas_badval",
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"cas_hits",
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"cas_misses",
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"cmd_flush",
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"cmd_get",
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"cmd_set",
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"cmd_touch",
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"conn_yields",
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"conn_yields",
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"connection_structures",
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"curr_connections",
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"curr_items",
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"decr_hits",
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"decr_misses",
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"delete_hits",
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"delete_misses",
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"evicted_unfetched",
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"evictions",
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"expired_unfetched",
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"get_hits",
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"get_misses",
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"hash_bytes",
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"hash_is_expanding",
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"hash_power_level",
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"incr_hits",
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"incr_misses",
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"limit_maxbytes",
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"listen_disabled_num",
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"reclaimed",
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"threads",
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"total_connections",
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"total_items",
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"touch_hits",
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"touch_misses",
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"uptime",
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}
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}
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// SampleConfig returns sample configuration message
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// SampleConfig returns sample configuration message
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