The average background wait time.

The average disk commit time.

The average disk update time.

The total background wait time.

The number of bytes read.

The number of bytes written.

The number of compare and swap bad values.

The number of compare and swap hits.

The number of compare and swap misses.

The number of compare and swap gets.

The number of compare and swap sets.

The size of the couchbase docs on disk.

The data size of the couchbase docs.

Couch docs total size in bytes.

The percentage of couchbase docs fragmentation.

The size of object data for spatial views.

The amount of disk space occupied by spatial views.

Spatial operations.

The total disk size for couchbase.

The size of object data for views.

The amount of disk space occupied by views.

The view fragmentation.

View operations.

CPU idle milliseconds.

CPU utilization percentage.

Current bucket connections.

Number of active items in memory.

Total number of items.

Decrement hits.

Decrement misses.

Delete hits.

Delete misses.

Disk commits.

Disk updates.

Disk write queue depth.

Disk reads per second.

Cache miss rate.

Cache miss ratio.

Number of backoffs for indexes DCP connections.

Number of indexes DCP connections.

Number of indexes items remaining to be sent.

Number of indexes items sent.

Number of indexes producers

Number bytes per second being sent for indexes DCP connections.

Number of backoffs for fts DCP connections.

Number of fts DCP connections.

Number of fts items remaining to be sent.

Number of fts items sent.

Number of fts producers.

Number bytes per second being sent for fts DCP connections.

Number of backoffs for other DCP connections.

Number of other DCP connections.

Number of other items remaining to be sent.

Number of other items sent.

Number of other producers.

Number bytes per second being sent for other DCP connections.

Number of backoffs for replica DCP connections.

Number of replica DCP connections.

Number of replica items remaining to be sent.

Number of replica items sent.

Number of replica producers.

Number bytes per second being sent for replica DCP connections.

Number of backoffs for views DCP connections.

Number of views DCP connections.

Number of views items remaining to be sent.

Number of views items sent.

Number of views producers.

Number bytes per second being sent for views DCP connections.

Number of backoffs for xdcr DCP connections.

Number of xdcr DCP connections.

Number of xdcr items remaining to be sent.

Number of xdcr items sent.

Number of xdcr producers.

Number bytes per second being sent for xdcr DCP connections.

Total Drained items on disk queue.

Total enqueued items on disk queue.

Total number of items waiting to be written to disk.

Number of items currently being written.

Number of times a transaction failed to commit due to storage errors.

Total amount of user data cached in RAM in this bucket.

The maximum amount of memory this bucket can use.

Memory usage high water mark for auto-evictions.

Memory usage low water mark for auto-evictions.

Total amount of item metadata consuming RAM in this bucket.

Number of non-resident items.

Number of delete operations per second for this bucket as the target for XDCR.

Number of delRetMeta operations per second for this bucket as the target for XDCR.

Number of read operations per second for this bucket as the target for XDCR.

Number of set operations per second for this bucket as the target for XDCR.

Number of setRetMeta operations per second for this bucket as the target for XDCR.

Number of times item values got ejected from memory to disk.\

Number of times unrecoverable OOMs happened while processing operations.

Create operations.

Update operations.

Extra memory used by transient data like persistence queues or checkpoints.

Number of items queued for storage.

Number of resident items.

Total drained items in the replica queue.

Total drained items in the queue.

Total enqueued items in the queue.

Number of remaining items for replication.

Number of times recoverable OOMs happened while processing operations.

Total number of vBuckets for this bucket.

Number of evictions

Number of get hits

Number of get misses.

Number of streaming requests now idle.

Rate of streaming request wakeups.

Hit ratio.

Number of increment hits.

Number of increment misses.

Free memory.

Used memory.

Free memory.

Total available memory.

Engine's total memory usage.

System memory usage.

Total number of misses.

Total number of operations.

Number of page faults.

Number of HTTP requests.

Total amount of swap available.

Amount of swap used.

Number of items per second being ejected to disk from active vBuckets.

Amount of active user data cached in RAM in this bucket.

Amount of active item metadata consuming RAM in this bucket.

Number of active items.

Number of non resident vBuckets in the active state for this bucket.

New items per second being inserted into active vBuckets in this bucket.

Number of items updated on active vBucket per second for this bucket.

Sum of disk queue item age in milliseconds.

Total drained items in the queue.

Number of active items per second being put on the active item disk queue.

Number of active items in the queue.

Number of resident items.

Average age in seconds of active items in the active item queue.

Average age in seconds of pending items in the pending item queue.

Average age in seconds of replica items in the replica item queue.

Average age of items in the queue.

Number of items in pending vBuckets.

Number of items per second being ejected to disk from pending vBuckets.

Amount of pending user data cached in RAM in this bucket.

Amount of pending item metadata consuming RAM in this bucket.

Number of pending items.

Number of non resident vBuckets in the pending state for this bucket.

Number of pending create operations.

Number of items updated on pending vBucket per second for this bucket.

Sum of disk pending queue item age in milliseconds.

Total drained pending items in the queue.

Total enqueued pending items on disk queue.

Number of pending items in the queue.

Number of resident pending items.

Number of in memory items.

Number of items per second being ejected to disk from replica vBuckets.

Amount of replica user data cached in RAM in this bucket.

Total metadata memory.

Number of replica vBuckets.

Number of non resident vBuckets in the replica state for this bucket.

Number of replica create operations.

Number of items updated on replica vBucket per second for this bucket.

Sum of disk replica queue item age in milliseconds.

Total drained replica items in the queue.

Total enqueued replica items on disk queue.

Replica items in disk queue.

Number of resident replica items.

Sum of disk queue item age in milliseconds.

Number of cross-datacenter replication operations.

Couch docs total size on disk in bytes.

Couch docs data size in bytes.

Couch views total size on disk in bytes.

Couch views data size on disk in bytes.

Number of active items in memory.

Total number of items.

Number of in memory items.

Free hard disk space.

Hard disk quota.

Total hard disk space.

Used hard disk space.

Hard disk used for data.

RAM quota.

The total RAM available.

The amount of RAM in use.

The amount of RAM used for data.