Cache

proxy.node.cache.bytes_free
Collection:global
Datatype:integer

The difference between proxy.process.cache.bytes_total and proxy.process.cache.bytes_used.

Represents the amount of space allocated to the cache which is not currently in use by objects.

proxy.node.cache.bytes_free_mb
Collection:global
Datatype:integer

The value of proxy.node.cache.bytes_free expressed in megabytes.

proxy.node.cache.bytes_total
Collection:global
Datatype:integer

The total number of bytes allocated to the cache.

proxy.node.cache.bytes_total_mb
Collection:global
Datatype:integer

The value of proxy.node.cache.bytes_total expressed in megabytes.

proxy.node.cache.contents.num_docs
Collection:global
Datatype:integer
Gathered:No

Represents the number of documents currently residing in the cache.

proxy.node.cache_hit_mem_ratio_avg_10s
Collection:global
Datatype:float

Represents the ratio of cache lookups over the previous 10 seconds which have been satisfied by the in-memory cache, thus avoiding disk cache I/O.

proxy.node.cache_hit_mem_ratio
Collection:global
Datatype:float

Represents the ratio of cache lookups which have been satisfied by the in-memory cache since statistics collection began.

proxy.node.cache_hit_ratio_avg_10s
Collection:global
Datatype:float

Represents the ratio of cache lookups over the previous 10 seconds which have been satisfied by either the in-memory cache or the disk cache, thus avoiding revalidation or object retrieval from origin servers.

proxy.node.cache_hit_ratio
Collection:global
Datatype:float

Represents the ratio of cache lookups which have been satisfied by either the in-memory cache or the on-disk cache since statistics collection began.

proxy.node.cache.percent_free
Collection:global
Datatype:float

Represents the percentage of allocated cache space which is not occupied by cache objects.

proxy.node.cache_total_hits_avg_10s
Collection:global
Datatype:float
proxy.node.cache_total_hits
Collection:global
Datatype:counter

Represents the total number of cache lookups which have been satisfied by either the in-memory cache or the on-disk cache, since statistics collection began.

proxy.node.cache_total_hits_mem_avg_10s
Collection:global
Datatype:float
proxy.node.cache_total_hits_mem
Collection:global
Datatype:counter

Represents the total number of cache lookups which have been satisfied by the in-memory cache, since statistics collection began.

proxy.node.cache_total_misses_avg_10s
Collection:global
Datatype:float
proxy.node.cache_total_misses
Collection:global
Datatype:counter

Represents the total number of cache lookups which could not be satisfied by either the in-memory cache or the on-disk cache, and which required origin server revalidation or retrieval.

proxy.node.http.cache_current_connections_count
Collection:global
Datatype:integer
proxy.node.http.cache_hit_fresh_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_hit_ims_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_hit_mem_fresh_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_hit_revalidated_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_hit_stale_served_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_miss_changed_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_miss_client_no_cache_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_miss_cold_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_miss_ims_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_miss_not_cacheable_avg_10s
Collection:global
Datatype:float
proxy.node.http.cache_read_error_avg_10s
Collection:global
Datatype:float
proxy.process.cache.bytes_total
Collection:global
Datatype:integer
proxy.process.cache.bytes_used
Collection:global
Datatype:integer
proxy.process.cache.directory_collision
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.direntries.total
Collection:global
Datatype:integer
proxy.process.cache.direntries.used
Collection:global
Datatype:integer
proxy.process.cache.evacuate.active
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.evacuate.failure
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.evacuate.success
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.frags_per_doc.1
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.frags_per_doc.2
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.frags_per_doc.3+
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.gc_bytes_evacuated
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.gc_frags_evacuated
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.hdr_marshal_bytes
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.hdr_marshals
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.KB_read_per_sec
Collection:global
Datatype:float
proxy.process.cache.KB_write_per_sec
Collection:global
Datatype:float
proxy.process.cache.lookup.active
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.lookup.failure
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.lookup.success
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.percent_full
Collection:global
Datatype:integer
proxy.process.cache.pread_count
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.ram_cache.bytes_used
Collection:global
Datatype:integer
proxy.process.cache.ram_cache.hits
Collection:global
Datatype:integer
proxy.process.cache.ram_cache.misses
Collection:global
Datatype:integer
proxy.process.cache.ram_cache.total_bytes
Collection:global
Datatype:integer
proxy.process.cache.read.active
Collection:global
Datatype:integer
proxy.process.cache.read_busy.failure
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.read_busy.success
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.read.failure
Collection:global
Datatype:integer
proxy.process.cache.read_per_sec
Collection:global
Datatype:float
proxy.process.cache.read.success
Collection:global
Datatype:integer
proxy.process.cache.remove.active
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.remove.failure
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.remove.success
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.scan.active
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.scan.failure
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.scan.success
Collection:global
Datatype:integer
Gathered:No
proxy.process.cache.update.active
Collection:global
Datatype:integer
proxy.process.cache.update.failure
Collection:global
Datatype:integer
proxy.process.cache.update.success
Collection:global
Datatype:integer
proxy.process.cache.vector_marshals
Collection:global
Datatype:integer
proxy.process.cache.write.active
Collection:global
Datatype:integer
proxy.process.cache.write.backlog.failure
Collection:global
Datatype:integer
proxy.process.cache.write_bytes_stat
Collection:global
Datatype:integer
proxy.process.cache.write.failure
Collection:global
Datatype:integer
proxy.process.cache.write_per_sec
Collection:global
Datatype:float
proxy.process.cache.write.success
Collection:global
Datatype:integer
proxy.process.cache.span.errors.read
Collection:global
Datatype:integer

The number of span read errors (counter).

proxy.process.cache.span.errors.write
Collection:global
Datatype:integer

The number of span write errors (counter).

proxy.process.cache.span.failing
Collection:global
Datatype:integer

The number of failing spans (gauge) - errors > 0 && errors < proxy.config.cache.max_disk_errors.

proxy.process.cache.span.failing + proxy.process.cache.span.offline + proxy.process.cache.span.online = total number of spans.

proxy.process.cache.span.offline
Collection:global
Datatype:integer

The number of offline spans (gauge) - errors >= proxy.config.cache.max_disk_errors.

proxy.process.cache.span.failing + proxy.process.cache.span.offline + proxy.process.cache.span.online = total number of spans.

proxy.process.cache.span.online
Collection:global
Datatype:integer

The number of online spans (gauge) - errors == 0.

proxy.process.cache.span.failing + proxy.process.cache.span.offline + proxy.process.cache.span.online = total number of spans.

proxy.process.http.background_fill_bytes_aborted_stat
Collection:global
Datatype:integer
Gathered:No
proxy.process.http.background_fill_bytes_completed_stat
Collection:global
Datatype:integer
Gathered:No
proxy.process.http.background_fill_current_count
Collection:global
Datatype:integer
Gathered:No
proxy.process.http.cache_deletes
Collection:global
Datatype:integer
proxy.process.http.cache_hit_fresh
Collection:global
Datatype:integer
proxy.process.http.cache_hit_ims
Collection:global
Datatype:integer
proxy.process.http.cache_hit_mem_fresh
Collection:global
Datatype:integer
proxy.process.http.cache_hit_revalidated
Collection:global
Datatype:integer
proxy.process.http.cache_hit_stale_served
Collection:global
Datatype:integer
proxy.process.http.cache_lookups
Collection:global
Datatype:integer
proxy.process.http.cache_miss_changed
Collection:global
Datatype:integer
proxy.process.http.cache_miss_client_no_cache
Collection:global
Datatype:integer
proxy.process.http.cache_miss_client_not_cacheable
Collection:global
Datatype:integer
proxy.process.http.cache_miss_cold
Collection:global
Datatype:integer
proxy.process.http.cache_miss_ims
Collection:global
Datatype:integer
proxy.process.http.cache_read_error
Collection:global
Datatype:integer
proxy.process.http.cache_read_errors
Collection:global
Datatype:integer
proxy.process.http.cache_updates
Collection:global
Datatype:integer
proxy.process.http.cache_write_errors
Collection:global
Datatype:integer
proxy.process.http.cache_writes
Collection:global
Datatype:integer
proxy.process.http.tcp_client_refresh_count_stat
Collection:global
Datatype:integer
Gathered:No
proxy.process.http.tcp_client_refresh_origin_server_bytes_stat
Collection:global
Datatype:integer
Gathered:No
proxy.process.http.tcp_client_refresh_user_agent_bytes_stat
Collection:global
Datatype:integer
Gathered:No
proxy.process.http.tcp_expired_miss_count_stat
Collection:global
Datatype:integer
Gathered:No
proxy.process.http.tcp_expired_miss_origin_server_bytes_stat
Collection:global
Datatype:integer
Gathered:No
proxy.process.http.tcp_expired_miss_user_agent_bytes_stat
Collection:global
Datatype:integer
Gathered:No
proxy.process.http.tcp_hit_count_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_hit_origin_server_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_hit_user_agent_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_ims_hit_count_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_ims_hit_origin_server_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_ims_hit_user_agent_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_ims_miss_count_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_ims_miss_origin_server_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_ims_miss_user_agent_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_miss_count_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_miss_origin_server_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_miss_user_agent_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_refresh_hit_count_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_refresh_hit_origin_server_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_refresh_hit_user_agent_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_refresh_miss_count_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_refresh_miss_origin_server_bytes_stat
Collection:global
Datatype:integer
proxy.process.http.tcp_refresh_miss_user_agent_bytes_stat
Collection:global
Datatype:integer