Google Cloud Monitoring Metrics

Key
Metric Type Display Name

Kind, Type, Unit	Description
	Labels

🚧
Metric prefixes
All metrics listed below are prefixed with external.googleapis.com/bluemedora/generic_node/cassandra except for the metrics that are also listed in the associated Stackdriver Agent Migration page. If the collector is installed on the Cassandra host system, the metrics listed there will be prefixed with agent.googleapis.com/cassandra

Google Cloud Monitoring Metrics

`/cluster/activity_count` Activity Count

CUMULATIVE, INT64, n/a	Number of read, write, gossip, and compaction tasks.





`/client_request/latency/50p` Read latency

GAUGE, DOUBLE, us	Latency of standard read requests.
	operation: The storage operation name.




`/client_request/latency/95p` Read latency

GAUGE, DOUBLE, us	Latency of standard read requests.
	operation: The storage operation name.




`/client_request/latency/99p` Read latency

GAUGE, DOUBLE, us	Latency of standard read requests.
	operation: The storage operation name.




`/client_request/latency/max` Read latency

GAUGE, DOUBLE, us	Latency of standard read requests.
	operation: The storage operation name.




`/current_tasks` Tasks

GAUGE, DOUBLE, n/a	Number of tasks in queue with the given task status.
	stage_name: The name of the queue stage.
	task_status: The status of the task (pending, active).




`/completed_tasks` Completed tasks

CUMULATIVE, INT64, n/a	Number of completed tasks in queue.
	stage_name: The name of the queue stage. (`counter_mutation`, `mutation`, `read_repair`, `request_response`).




`/node/thread_pool/compaction_executor/task_count` Thread Pool Compaction Executor Task Count

GAUGE, INT64, n/a	Number of requested tasks on this pool
	state: Current state of task (`active`, `pending`).




`/node/client/unavailable_exception_count` Client Unavailable Exception Count

CUMULATIVE, INT64, n/a	The number of events that failed because too many replicas were unavailable
	request_type: Request type (`read`, `cas_read`, `write`, `cas_write`, `range_slice`, `view_write`).




`/node/client/latency` Client Latency

CUMULATIVE, INT64, us	Time spent in request events since process start.
	request_type: Request type (`read`, `cas_read`, `write`, `cas_write`, `range_slice`, `view_write`).




`/node/client/average_latency` Client Average Latency

GAUGE, DOUBLE, us	Average time spent in request events.
	request_type: Request type ('read', 'cas_read', 'write', 'cas_write', 'range_slice', 'view_write').




`/node/client/timeout_count` Client Timeout Count

CUMULATIVE, INT64, n/a	The count of requests not acknowledged within timeout window
	request_type: Request type (`read`, `cas_read`, `write`, `cas_write`, `view_write`, `range_slice`).




`/node/client/failure_count` Client Failure Count

CUMULATIVE, INT64, n/a	The number of request events that failed.
	request_type: Request type (`read`, `cas_read`, `write`, `cas_write`, `view_write`, `range_slice`).




`/node/client/request_count` Client Request Count

CUMULATIVE, INT64, us	Number of request events since process start.
	request_type: Request type (`read`, `cas_read`, `write`, `cas_write`, `view_write`, `range_slice`).




`/cache/hits` Hit count

CUMULATIVE, INT64, n/a	Key cache hit count for the table.
	cache: The name of the cache.




`/node/cache/misses` Cache Misses

CUMULATIVE, INT64, n/a	Number of cache misses.
	cache: Cache ('key', 'chunk', 'row').




`/node/cache/capacity` Cache Capacity

GAUGE, INT64, By	Number of cache capacity.
	cache: Cache ('key', 'counter', 'chunk', 'row').




`/node/cache/requests` Cache Requests

CUMULATIVE, INT64, n/a	Number of cache requests.
	cache: Cache ('key', 'counter', 'chunk', 'row').




`/node/cache/size` Cache Size

GAUGE, INT64, By	Number of cache size.
	cache: Cache ('key', 'counter', 'chunk', 'row').




`/node/cache/entries` Cache Entries

GAUGE, INT64, n/a	Number of cache entries.
	cache: Cache ('key', 'counter', 'chunk', 'row').




`/dropped_message/dropped_count` Dropped messages

CUMULATIVE, INT64, n/a	Total number of dropped messages for the mutation.
	operation: The storage operation name.




`/node/garbage_collection/concurrent_mark_sweep_collection_time` Garbage Collection Concurrent Mark Sweep Collection Time

CUMULATIVE, INT64, ms	Elapsed time garbage collecting the old generation, or relatively long-lived objects.





`/node/garbage_collection/concurrent_mark_sweep_collection_count` Garbage Collection Concurrent Mark Sweep Collection Count

CUMULATIVE, INT64, n/a	Number of times the old generation has been garbage collected.





`/node/garbage_collection/par_new_collection_time` Garbage Collection Par New Collection Time

CUMULATIVE, INT64, ms	Elapsed time garbage collecting the new generation, or relatively short-lived objects.





`/node/garbage_collection/par_new_collection_count` Garbage Collection Par New Collection Count

CUMULATIVE, INT64, n/a	Number of times the new generation has been garbage collected.





`/node/thread_pool/compaction_executor/completed_task_count` Thread Pool Compaction Executor Completed Task Count

CUMULATIVE, INT64, n/a	Completed compactions.





`/node/active_cache_cleanups` Active Cache Cleanups

GAUGE, INT64, n/a	Active tasks to clear the cache.





`/node/active_native_transport_requests` Active Native Transport Requests

GAUGE, INT64, n/a	Active requests to the server using the CQL Native Protocol.





`/node/active_pending_range_calculator_tasks` Active Pending Range Calculator Tasks

GAUGE, INT64, n/a	Active calculations of pending rangers per bootstraps and departed nodes.





`/node/cas_read_condition_not_met` CAS Read Condition Not Met

CUMULATIVE, INT64, n/a	Number of transaction preconditions that did not match current values during read.





`/node/cas_read_contention` CAS Read Contention

CUMULATIVE, INT64, n/a	Number of lightweight transaction reads that were contended.





`/node/cas_read_unfinished_commit` CAS Read Unfinished Commit

CUMULATIVE, INT64, n/a	Number of lightweight transactions that were committed on read.





`/node/cas_write_condition_not_met` CAS Write Condition Not Met

CUMULATIVE, INT64, n/a	Number of lightweight transaction writes where preconditions did not match current values.





`/node/cas_write_contention` CAS Write Contention

CUMULATIVE, INT64, n/a	Number of lightweight transaction writes that were contended.





`/node/cas_write_unfinished_commit` CAS Write Unfinished Commit

CUMULATIVE, INT64, n/a	Number of transactions that were committed on write.





`/commitlog_total_size` Commit log size

GAUGE, DOUBLE, By	Current data size of all commit log segments.





`/node/memory/committed_heap` Committed Heap Memory

GAUGE, INT64, By	Amount of heap memory committed for the JVM.





`/node/memory/committed_non_heap` Committed Non-Heap Memory

GAUGE, INT64, By	Amount of non-heap memory committed for the JVM.





`/node/memory/committed_virtual` Committed Virtual Memory Size

GAUGE, INT64, By	Amount of memory allocated.





`/node/completed_cache_cleanups` Completed Cache Cleanups

CUMULATIVE, INT64, n/a	Number of times the cache has been cleared.





`/node/completed_native_transport_requests` Completed Native Transport Requests

CUMULATIVE, INT64, n/a	Completed requests to the server using the CQL Native Protocol.





`/node/completed_pending_range_calculator_tasks` Completed Pending Range Calculator Tasks

CUMULATIVE, INT64, n/a	Completed calculations of pending rangers per bootstraps and departed nodes.





`/node/completed_validation_executor_tasks` Completed Validation Executor Tasks

CUMULATIVE, INT64, n/a	Completed schema validations.





`/node/daemon_threads` Daemon Threads

GAUGE, INT64, n/a	Current number of live daemon threads.





`/node/memory/free_physical` Free Physical Memory Size

GAUGE, INT64, By	Amount of free memory available to the operating system.





`/node/free_swap_space` Free Swap Space Size

GAUGE, INT64, By	Amount of free swap space.





`/node/gossip_running` Gossip Running

GAUGE, BOOL, n/a	Whether gossip is running.





`/node/index_info_count` Index Info Count

CUMULATIVE, INT64, n/a	Number of on-heap index entries.





`/node/index_info_gets` Index Info Gets

CUMULATIVE, INT64, n/a	Number of index seeks.





`/node/indexed_entry_size` Indexed Entry Size

CUMULATIVE, INT64, By	On-heap index size.





`/node/initialized` Initialized

GAUGE, BOOL, n/a	Whether the node is successfully initialized.





`/node/joined` Joined

GAUGE, BOOL, n/a	Whether or not the node has joined the cluster.





`/node/memory/maximum_heap` Maximum Heap Memory

GAUGE, INT64, By	Maximum amount of heap memory that could be committed for the JVM.





`/node/memory/maximum_non_heap` Maximum Non-Heap Memory

GAUGE, INT64, By	Maximum amount of non-heap memory that could be committed for the JVM.





`/node/native_transport_running` Native Transport Running

GAUGE, BOOL, n/a	Whether or not the native protocol server is running.





`/node/memory/objects_pending_finalization` Objects Pending Finalization

GAUGE, INT64, n/a	Number of objects queued for finalization, where their memory usage will be reclaimed.





`/node/open_file_descriptors` Open File Descriptors

CUMULATIVE, INT64, n/a	Current number of open file descriptors.





`/node/pending_cache_cleanups` Pending Cache Cleanups

GAUGE, INT64, n/a	Pending tasks to clear the cache.





`/node/pending_pending_range_calculator_tasks` Pending Pending Range Calculator Tasks

GAUGE, INT64, n/a	Pending calculations of pending rangers per bootstraps and departed nodes.





`/node/pending_validation_executor_tasks` Pending Validation Executor Tasks

GAUGE, INT64, n/a	Pending schema validations.





`/node/pending_native_transport_requests` Pending Native Transport Requests

GAUGE, INT64, n/a	Queued requests to the server using the CQL Native Protocol.





`/node/prepared_statements` Prepared Statements

GAUGE, INT64, n/a	Number of prepared statements.





`/node/prepared_statements_evicted` Prepared Statements Evicted

CUMULATIVE, INT64, n/a	Number of prepared statements that have been evicted to save space for other prepared statements.





`/node/prepared_statements_executed` Prepared Statements Executed

CUMULATIVE, INT64, n/a	Number of prepared statements executed.





`/node/cpu/process_load` Process CPU Load

GAUGE, DOUBLE, n/a	Process CPU Load.





`/node/cpu/process_time` Process CPU Time

CUMULATIVE, INT64, ns	Amount of time used by the process.





`/node/regular_statements_executed` Regular Statements Executed

CUMULATIVE, INT64, n/a	Number of regular (non-prepared) statements executed.





`/node/rpc_server_running` RPC Server Running

GAUGE, BOOL, n/a	Whether or not the Thrift (RPC) server is running.





`/node/started_threads` Started Threads

CUMULATIVE, INT64, n/a	Number of threads created and also started since the Java virtual machine started.





`/node/starting` Starting

GAUGE, BOOL, n/a	Whether the node is starting.





`/storage_service_exception_count` Exceptions

CUMULATIVE, INT64, n/a	The number of exceptions thrown by the storage operations.





`/storage_service_load` Storage load

GAUGE, DOUBLE, By	Total disk space used for this node.





`/node/storage_total_hints` Storage Total Hints

CUMULATIVE, INT64, n/a	Number of hint messages written to this node since restart.





`/node/cpu/system_load` System CPU Load

GAUGE, DOUBLE, n/a	System CPU Load.





`/node/cpu/system_load_average` System Load Average

GAUGE, DOUBLE, n/a	System load average.





`/node/threads` Threads

GAUGE, INT64, n/a	Current number of live threads including both daemon and non-daemon threads.





`/node/hints_in_progress` Hints in Progress

GAUGE, INT64, n/a	Number of hints attemping to be sent currently.





`/node/memory/physical` Physical Memory Size

GAUGE, INT64, By	Amount of memory available to the operating system.





`/node/swap_space` Swap Space Size

GAUGE, INT64, By	Amount of swap space allocated.





`/node/uptime` Uptime

GAUGE, INT64, ms	Time since Cassandra last started.





`/node/memory/used_heap` Used Heap Memory

GAUGE, INT64, By	Amount of heap memory in use.





`/node/memory/used_non_heap` Used Non-Heap Memory

GAUGE, INT64, By	Amount of non-heap memory in use.





`/node/view_pending_mutations` View Pending Mutations

GAUGE, INT64, n/a	View mutations that have been attempted but have not yet succeeded.





`/node/view_replicas_attempted` View Replicas Attempted

CUMULATIVE, INT64, n/a	Number of attempted view replications.





`/node/view_replicas_succeeded` View Replicas Succeeded

CUMULATIVE, INT64, n/a	Number of successful view replications.





`/node/write_unavailables` Write Unavailables

CUMULATIVE, INT64, n/a	Writes that failed because too many replicas were unavailable.





`/column_family/max_row_size` Max row size

GAUGE, DOUBLE, By	Size of the largest compacted row.





`/column_family/compression_ratio` Compression ratio

GAUGE, DOUBLE, n/a	Current compression ratio for all SSTables.





`/node_keyspace/client/latency` Client Latency

CUMULATIVE, INT64, us	Time spent in request events since process start.
	request_type: Request type ('cas_commit', 'cas_prepare', 'cas_propose', 'range', 'read', 'write').




`/node_keyspace/client/average_latency` Client Average Latency

GAUGE, DOUBLE, us	Average time spent in request events.
	request_type: Request type ('cas_commit', 'cas_prepare', 'cas_propose', 'range', 'read', 'write').




`/node_keyspace/client/request_count` Client Request Count

CUMULATIVE, INT64, us	Number of request events since process start.
	request_type: Request type ('cas_commit', 'cas_prepare', 'cas_propose', 'range', 'read', 'write').




`/node_keyspace/all_memtables/live_data` All Memtables Live Data Size

GAUGE, INT64, By	amount of live data stored in the memtables (2i and pending flush memtables included), excluding any data structure overhead.





`/node_keyspace/all_memtables/off_heap_data` All Memtables Off Heap Data Size

GAUGE, INT64, By	Amount of data stored in the memtables (2i and pending flush memtables included) that resides off-heap.





`/node_keyspace/all_memtables/on_heap_data` All Memtables On Heap Data Size

GAUGE, INT64, By	Amount of data stored in the memtables (2i and pending flush memtables included) that resides on-heap.





`/node_keyspace/bloom_filter/disk/space_used` Bloom Filter Disk Space Used

GAUGE, INT64, By	Disk space used by bloom filter.





`/node_keyspace/bloom_filter/memory/off_heap_used` Bloom Filter Off Heap Memory Used

GAUGE, INT64, By	Amount of off heap memory used for Bloom filters for this table.





`/node_keyspace/compression_metadata/memory/off_heap_used` Compression Metadata Off Heap Memory Used

GAUGE, INT64, By	The amount of off heap memory used for compression offset maps for this keyspace.





`/node_keyspace/index_summary/memory/off_heap_used` Index Summary Off Heap Memory Used

GAUGE, INT64, By	Amount of off heap memory used for index summaries for this keyspace.





`/node_keyspace/disk/live_space_used` Live Disk Space Used

GAUGE, INT64, By	Disk space used by SSTables* belonging to this keyspace.*





`/node_keyspace/live_scanned` Live Scanned

GAUGE, INT64, n/a	Live cells scanned in queries on this keyspace.





`/node_keyspace/memtable/column_count` Memtable Columns Count

GAUGE, INT64, n/a	Number of columns present in the memtable.





`/node_keyspace/memtable/live_data` Memtable Live Data Size

GAUGE, INT64, By	Amount of live data stored in the memtable, excluding any data structure overhead.





`/node_keyspace/memtable/off_heap_data` Memtable Off Heap Data Size

GAUGE, INT64, By	Amount of data stored in the memtable that resides off-heap, including column related overhead and partitions overwritten.





`/node_keyspace/memtable/on_heap_data` Memtable On Heap Data Size

GAUGE, INT64, By	Amount of data stored in memtables that resides on-heap, including column related overhead and partitions overwritten.





`/node_keyspace/memtable/switch_count` Memtable Switch Count

CUMULATIVE, INT64, n/a	Number of times flush has resulted in the memtable being switched out.





`/node_keyspace/pending_compactions` Pending Compactions

GAUGE, INT64, n/a	Number of pending compactions for this keyspace.





`/node_keyspace/pending_flushes` Pending Flushes

GAUGE, INT64, n/a	Number of flush tasks pending for this keyspace.





`/node_keyspace/sstables_per_read` SSTables Per Read

GAUGE, INT64, n/a	Number of sstable data files accessed per read.





`/node_keyspace/tombstone_scanned` Tombstone Scanned

GAUGE, INT64, n/a	Tombstones scanned in queries on this Keyspace.





`/node_keyspace/disk/space_used` Disk Space Used

GAUGE, INT64, By	Disk space used by SSTables* belonging to this keyspace including obsolete ones waiting to be garbage collected.*





`/node_table/client/latency` Client Latency

CUMULATIVE, INT64, us	Time spent in request events since process start.
	request_type: Request type ('cas_commit', 'cas_prepare', 'cas_propose', 'range', 'read', 'write').




`/node_table/client/average_latency` Client Average Latency

GAUGE, DOUBLE, us	Average time spent in request events.
	request_type: Request type ('cas_commit', 'cas_prepare', 'cas_propose', 'range', 'read', 'write').




`/node_table/client/request_count` Client Request Count

CUMULATIVE, INT64, us	Number of request events since process start.
	request_type: Request type ('cas_commit', 'cas_prepare', 'cas_propose', 'range', 'read', 'write').




`/node_table/all_memtables/heap` All Memtables Heap Size

GAUGE, INT64, By	Amount of data stored in the memtables (2i and pending flush memtables included) that resides on-heap.





`/node_table/all_memtables/live_data` All Memtables Live Data Size

GAUGE, INT64, By	Amount of live data stored in the memtables (2i and pending flush memtables included) that resides off-heap, excluding any data structure overhead.





`/node_table/all_memtables/off_heap` All Memtables Off Heap Size

GAUGE, INT64, By	Amount of data stored in the memtables (2i and pending flush memtables included) that resides off-heap.





`/node_table/bloom_filter/disk/space_used` Bloom Filter Disk Space Used

GAUGE, INT64, By	Disk space used by bloom filter.





`/node_table/bloom_filter/false_positive_ratio` Bloom Filter False Positive Ratio

GAUGE, DOUBLE, n/a	False positive ratio of bloom filter.





`/node_table/bloom_filter/false_positives` Bloom Filter False Positives

GAUGE, INT64, n/a	Number of false positives in bloom filter.





`/node_table/bloom_filter/memory/off_heap_used` Bloom Filter Off Heap Memory Used

GAUGE, INT64, By	Off heap memory used by bloom filter.





`/node_table/compaction_data_written` Compaction Data Written

GAUGE, INT64, By	Compaction Data Written.





`/node_table/compression_metadata/memory/off_heap_used` Compression Metadata Off Heap Memory Used

GAUGE, INT64, By	Off heap memory used by compression meta data.





`/node_table/compression_ratio` Compression ratio

GAUGE, DOUBLE, n/a	Current compression ratio for the SSTable.





`/node_table/crc_check_chance` CRC Check Chance

GAUGE, DOUBLE, n/a	Defines the probability with which checksums are checked during read to ensure compressed data has not suffered bitrot or corruption.





`/node_table/disk/data_flushed` Data Flushed

CUMULATIVE, INT64, By	Data Flushed.





`/node_table/droppable_tombstone_ratio` Droppable Tombstone Ratio

GAUGE, DOUBLE, n/a	Ratio of tombstones that can safely be dropped.





`/node_table/estimated_partition_count` Estimated Partition Count

GAUGE, INT64, n/a	Estimated Partition Count.





`/node_table/index_summary/memory/off_heap_used` Index Summary Off Heap Memory Used

GAUGE, INT64, By	Off heap memory used by index summary.





`/node_table/key_cache_hit_rate` Key Cache Hit Rate

GAUGE, DOUBLE, /s	Key Cache Hit Rate.





`/node_table/disk/live_space_used` Live Disk Space Used

CUMULATIVE, INT64, By	Disk space used by SSTables belonging to this column family.





`/node_table/live_scanned` Live Scanned

CUMULATIVE, INT64, n/a	Live cells scanned in queries.





`/node_table/live_sstable_count` Live SSTable Count

GAUGE, INT64, n/a	Live SSTable Count.





`/node_table/max_partition_size` Max Partition Size

GAUGE, INT64, By	Max Partition Size.





`/node_table/mean_partition_size` Mean Partition Size

GAUGE, INT64, By	Mean Partition Size.





`/node_table/memtable/columns_count` Memtable Columns Count

GAUGE, INT64, n/a	Memtable Columns Count.





`/node_table/memtable/live_data` Memtable Live Data Size

GAUGE, INT64, By	Amount of live data stored in the memtable, excluding any data structure overhead.





`/node_table/memtable/off_heap` Memtable Off Heap Size

GAUGE, INT64, By	Amount of data stored in the memtable that resides off-heap, including column related overhead and overwritten rows.





`/node_table/memtable/on_heap` Memtable On Heap Size

GAUGE, INT64, By	Amount of data stored in the memtable that resides on-heap, including column related overhead and overwritten rows.





`/node_table/memtable/switch_count` Memtable Switch Count

CUMULATIVE, INT64, n/a	Number of times flush has resulted in the memtable being switched out.





`/node_table/minimum_partition_size` Minimum Partition Size

GAUGE, INT64, By	Minimum Partition Size.





`/node_table/pending_compactions` Pending Compactions

GAUGE, INT64, n/a	Estimate of number of pending compactions.





`/node_table/row_cache_hits` Row Cache Hits

GAUGE, INT64, n/a	Number of row cache hits.





`/node_table/row_cache_hit_out_of_range` Row Cache Hit Out Of Range

CUMULATIVE, INT64, n/a	Row cache hits, but result out of range.





`/node_table/row_cache_misses` Row Cache Misses

CUMULATIVE, INT64, n/a	Number of row cache misses.





`/node_table/speculative_retries` Speculative Retries

CUMULATIVE, INT64, n/a	Speculative Retries.





`/node_table/tombstones_scanned` Tombstones Scanned

CUMULATIVE, INT64, n/a	Tombstones scanned in queries.





`/node_table/disk/space_used` Disk Space Used

GAUGE, INT64, By	Disk space used by SSTables belonging to this CF, including obsolete ones waiting to be GC'd.





`/node_table/unleveled_sstables` Unleveled SSTables

GAUGE, INT64, n/a	Unleveled SSTables.

🚧Metric prefixes

🚧
Metric prefixes