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The following table lists the metrics available for the Microsoft.DocumentDB/cassandraClusters resource type.
Table headings
Metric - The metric display name as it appears in the Azure portal.
Name in Rest API - Metric name as referred to in the REST API.
Unit - Unit of measure.
Aggregation - The default aggregation type. Valid values: Average, Minimum, Maximum, Total, Count.
Dimensions - Dimensions available for the metric.
Time Grains - Intervals at which the metric is sampled. For example, PT1M indicates that the metric is sampled every minute, PT30M every 30 minutes, PT1H every hour, and so on.
DS Export- Whether the metric is exportable to Azure Monitor Logs via Diagnostic Settings.
For information on exporting metrics, see - Metrics export using data collection rules and Create diagnostic settings in Azure Monitor.
For information on metric retention, see Azure Monitor Metrics overview.
For a list of supported logs, see Supported log categories - Microsoft.DocumentDB/cassandraClusters
Category: Cassandra Cache
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| cache capacity Cache capacity (bytes). |
cassandra_cache_capacity |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, cache_name |
PT1M | No |
| cache entries Total number of cache entries. |
cassandra_cache_entries |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, cache_name |
PT1M | No |
| cache hit rate All time cache hit rate. |
cassandra_cache_hit_rate |
Percent | Average | cassandra_datacenter, cassandra_node, cache_name |
PT1M | No |
| cache hits Number of cache hits. |
cassandra_cache_hits |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, cache_name |
PT1M | No |
| cache miss latency average (microseconds) Average cache miss latency (microseconds). |
cassandra_cache_miss_latency_histogram |
Count | Average | cassandra_datacenter, cassandra_node, quantile |
PT1M | No |
| cache miss latency p99 (microseconds) p99 latency of misses. |
cassandra_cache_miss_latency_p99 |
Count | Average | cassandra_datacenter, cassandra_node, cache_name |
PT1M | No |
| cache requests Number of cache requests. |
cassandra_cache_requests |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, cache_name |
PT1M | No |
| occupied cache size Size of occupied cache (bytes). |
cassandra_cache_size |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, cache_name |
PT1M | No |
Category: Cassandra Client
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| auth failure (deprecated) Number of failed client authentication requests. |
cassandra_client_auth_failure |
Count | Total (Sum) | cassandra_datacenter, cassandra_node |
PT1M | No |
| auth failure (deprecated) Number of failed client authentication requests. |
cassandra_client_auth_failure2 |
Count | Total (Sum) | cassandra_datacenter, cassandra_node |
PT1M | No |
| client auth failure Number of failed client authentication requests. |
cassandra_client_auth_failure3 |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
| client auth success Number of successful client authentication requests. |
cassandra_client_auth_success |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
| connected native clients Number of connected native clients. |
cassandra_client_connected_native_clients |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
Category: Cassandra Client Request
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| condition not met Cumulative number of transaction preconditions did not match current values. |
cassandra_client_request_condition_not_met |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| contention average How many contended reads/writes were encountered in average. |
cassandra_client_request_contention_histogram |
Count | Average | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| contention p99 p99 how many contended writes were encountered. |
cassandra_client_request_contention_histogram_p99 |
Count | Average | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| failures (deprecated) Number of transaction failures encountered. |
cassandra_client_request_failures |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| failures (deprecated) Number of transaction failures encountered. |
cassandra_client_request_failures2 |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| client failures Cumulative number of transaction failures encountered. |
cassandra_client_request_failures3 |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| client request latency average (microseconds) Average client request latency (microseconds). |
cassandra_client_request_latency_histogram |
Count | Average | cassandra_datacenter, cassandra_node, quantile, request_type |
PT1M | No |
| client request latency max (microseconds) Maximum client request latency (microseconds). |
cassandra_client_request_latency_max |
Count | Maximum | ClusterResourceName, DataCenterResourceName, Address, request_type |
PT1M | No |
| client request latency p99 (microseconds) p99 client request latency (microseconds). |
cassandra_client_request_latency_p99 |
Count | Average | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| timeouts (deprecated) Number of timeouts encountered. |
cassandra_client_request_timeouts |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| timeouts (deprecated) Number of timeouts encountered. |
cassandra_client_request_timeouts2 |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| client timeouts Cumulative number of timeouts encountered in client requests. |
cassandra_client_request_timeouts3 |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
| unfinished commit Cumulative number of transactions that were committed on write. |
cassandra_client_request_unfinished_commit |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, request_type |
PT1M | No |
Category: Cassandra CommitLog
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| Commit latency on waiting average (microseconds). Average time spent waiting on CL fsync (microseconds); for Periodic this is only occurs when the sync is lagging its sync interval. |
cassandra_commit_log_waiting_on_commit_latency_histogram |
Count | Average | cassandra_datacenter, cassandra_node, quantile |
PT1M | No |
Category: Cassandra CQL
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| prepared statements executed Total number of prepared statements executed. |
cassandra_cql_prepared_statements_executed |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
| regular statements executed Total number of non prepared statements executed. |
cassandra_cql_regular_statements_executed |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
Category: Cassandra DroppedMessage
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| dropped messages count Total count of dropped messages. |
cassandra_dropped_message_count |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, message_type |
PT1M | No |
| cross-node dropped latency Average dropped latency across nodes. |
cassandra_dropped_message_cross_node_latency |
MilliSeconds | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, message_type |
PT1M | No |
| cross-node dropped latency p99 99th percentile of dropped latency across nodes. |
cassandra_dropped_message_cross_node_latency_p99 |
MilliSeconds | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, message_type |
PT1M | No |
| internal dropped latency Average dropped latency within node. |
cassandra_dropped_message_internal_latency |
MilliSeconds | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, message_type |
PT1M | No |
| dropped messages rate Rate of dropped messages. |
cassandra_dropped_message_rate |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, message_type |
PT1M | No |
Category: Cassandra HintsService
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| hints failed rate Rate of the hints that failed deliver. |
cassandra_hints_failed_rate |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
| hints succeeded rate Rate of the hints successfully delivered. |
cassandra_hints_succeeded_rate |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
| hints timed out rate Rate of the hints that timed out. |
cassandra_hints_timed_out_rate |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
Category: Cassandra JVM
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| jvm gc count Total number of collections that have occurred. |
cassandra_jvm_gc_count |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
| jvm gc time Approximate accumulated collection elapsed time. |
cassandra_jvm_gc_time |
MilliSeconds | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
Category: Cassandra Storage
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| total hints Cumulative number of total hints in storage. |
cassandra_storage_total_hints_counter_total |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
| total hints in progress Number of total hints in progress. |
cassandra_storage_total_hints_in_progress_counter_total |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node |
PT1M | No |
Category: Cassandra Table
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| all memtables live data size Total amount of live data stored in the memtables (2i and pending flush memtables included) that resides off-heap, excluding any data structure overhead. |
cassandra_table_all_memtables_live_data_size |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| all memtables off heap size Total amount of data stored in the memtables (2i and pending flush memtables included) that resides off-heap. |
cassandra_table_all_memtables_off_heap_size |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| bloom filter disk space used Disk space used by bloom filter (bytes). |
cassandra_table_bloom_filter_disk_space_used |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| bloom filter false positives Number of false positives on table's bloom filter. |
cassandra_table_bloom_filter_false_positives |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| bloom filter false ratio False positive ratio of table's bloom filter. |
cassandra_table_bloom_filter_false_ratio |
Percent | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| bloom filter off-heap memory used Off-heap memory used by bloom filter. |
cassandra_table_bloom_filter_off_heap_memory_used |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| bytes flushed Total number of bytes flushed since server [re]start. |
cassandra_table_bytes_flushed |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| cas commit average (microseconds) Average latency of paxos commit round. |
cassandra_table_cas_commit |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| cas commit p99 (microseconds) p99 latency of paxos commit round. |
cassandra_table_cas_commit_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| cas prepare average (microseconds) Average latency of paxos prepare round. |
cassandra_table_cas_prepare |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| cas prepare p99 (microseconds) p99 latency of paxos prepare round. |
cassandra_table_cas_prepare_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| cas propose average (microseconds) Average latency of paxos propose round. |
cassandra_table_cas_propose |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| cas propose p99 (microseconds) p99 latency of paxos propose round. |
cassandra_table_cas_propose_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| col update time delta average Average column update time delta on this table. |
cassandra_table_col_update_time_delta_histogram |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| col update time delta p99 p99 column update time delta on this table. |
cassandra_table_col_update_time_delta_histogram_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| compaction bytes written Total number of bytes written by compaction since server [re]start. |
cassandra_table_compaction_bytes_written |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| compression metadata off-heap memory used Off-heap memory used by compression metadata. |
cassandra_table_compression_metadata_off_heap_memory_used |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| compression ratio Current compression ratio for all SSTables. |
cassandra_table_compression_ratio |
Percent | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| coordinator read latency average (microseconds) Average coordinator read latency for this table. |
cassandra_table_coordinator_read_latency |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| coordinator read latency p99 (microseconds) p99 coordinator read latency for this table. |
cassandra_table_coordinator_read_latency_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| coordinator scan latency average (microseconds) Average coordinator range scan latency for this table. |
cassandra_table_coordinator_scan_latency |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| coordinator scan latency p99 (microseconds) p99 coordinator range scan latency for this table. |
cassandra_table_coordinator_scan_latency_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| dropped mutations (deprecated) Number of dropped mutations on this table. |
cassandra_table_dropped_mutations |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| dropped mutations (deprecated) Number of dropped mutations on this table. |
cassandra_table_dropped_mutations2 |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| dropped mutations Total number of dropped mutations on this table. |
cassandra_table_dropped_mutations3 |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| estimated column count average Estimated number of columns in average. |
cassandra_table_estimated_column_count_histogram |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| estimated column count p99 p99 estimated number of columns. |
cassandra_table_estimated_column_count_histogram_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| estimated partition count Approximate number of keys in table. |
cassandra_table_estimated_partition_count |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| estimated partition size average Estimated partition size in average. |
cassandra_table_estimated_partition_size_histogram |
Bytes | Average | cassandra_datacenter, cassandra_node, quantile, table, keyspace |
PT1M | No |
| estimated partition size p99 p99 estimated partition size (bytes). |
cassandra_table_estimated_partition_size_histogram_p99 |
Bytes | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| index summary off-heap memory used Off-heap memory used by index summary. |
cassandra_table_index_summary_off_heap_memory_used |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| key cache hit rate Key cache hit rate for this table. |
cassandra_table_key_cache_hit_rate |
Percent | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| live disk space used Disk space used by SSTables belonging to this table (bytes). |
cassandra_table_live_disk_space_used |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| live scanned average Average live cells scanned in queries on this table. |
cassandra_table_live_scanned_histogram |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| live scanned p99 p99 live cells scanned in queries on this table. |
cassandra_table_live_scanned_histogram_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| live sstable count Number of SSTables on disk for this table. |
cassandra_table_live_sstable_count |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| max partition size Size of the largest compacted partition (bytes). |
cassandra_table_max_partition_size |
Bytes | Maximum | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| mean partition size Size of the average compacted partition (bytes). |
cassandra_table_mean_partition_size |
Bytes | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| memtable columns count Total number of columns present in the memtable. |
cassandra_table_memtable_columns_count |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| memtable off heap size Total amount of data stored in the memtable that resides off-heap, including column related overhead and partitions overwritten. |
cassandra_table_memtable_off_heap_size |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| memtable on heap size Total amount of data stored in the memtable that resides on-heap, including column related overhead and partitions overwritten. |
cassandra_table_memtable_on_heap_size |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| memtable switch count Number of times flush has resulted in the memtable being switched out. |
cassandra_table_memtable_switch_count |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| min partition size Size of the smallest compacted partition (bytes). |
cassandra_table_min_partition_size |
Bytes | Minimum | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| pending compactions (deprecated) Estimate of number of pending compactions for this table. |
cassandra_table_pending_compactions |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| pending compactions (deprecated) Estimate of number of pending compactions for this table. |
cassandra_table_pending_compactions2 |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| pending compactions Estimate of number of pending compactions for this table. |
cassandra_table_pending_compactions3 |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| pending flushes (deprecated) Estimated number of flush tasks pending for this table. |
cassandra_table_pending_flushes |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| pending flushes (deprecated) Estimated number of flush tasks pending for this table. |
cassandra_table_pending_flushes2 |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| pending flushes Estimated number of flush tasks pending for this table. |
cassandra_table_pending_flushes3 |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| percent repaired Percent of table data that is repaired on disk. |
cassandra_table_percent_repaired |
Percent | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| range latency average (microseconds) Average local range scan latency for this table. |
cassandra_table_range_latency |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| range latency p99 (microseconds) p99 local range scan latency for this table. |
cassandra_table_range_latency_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| read latency average (microseconds) Average local read latency for this table. |
cassandra_table_read_latency |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| read latency p99 (microseconds) p99 local read latency for this table. |
cassandra_table_read_latency_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| row cache hit Number of table row cache hits. |
cassandra_table_row_cache_hit |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| row cache hit out of range Number of table row cache hits that do not satisfy the query filter, thus went to disk. |
cassandra_table_row_cache_hit_out_of_range |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| row cache miss Number of table row cache misses. |
cassandra_table_row_cache_miss |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| speculative retries Number of times speculative retries were sent for this table. |
cassandra_table_speculative_retries |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| sstables per read average Average number of sstable data files accessed per single partition read. SSTables skipped due to Bloom Filters, min-max key or partition index lookup are not taken into account. |
cassandra_table_sstables_per_read_histogram |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| sstables per read p99 p99 number of sstable data files accessed per single partition read. SSTables skipped due to Bloom Filters, min-max key or partition index lookup are not taken into account. |
cassandra_table_sstables_per_read_histogram_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| tombstone scanned average Average tombstones scanned in queries on this table. |
cassandra_table_tombstone_scanned_histogram |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| tombstone scanned p99 p99 tombstones scanned in queries on this table. |
cassandra_table_tombstone_scanned_histogram_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| total disk space used (deprecated) Total disk space used by SSTables belonging to this table, including obsolete ones waiting to be GC'd. |
cassandra_table_total_disk_space_used |
Bytes | Total (Sum) | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M, PT5M, PT15M, PT30M, PT1H, PT6H, PT12H, P1D | No |
| total disk space used (deprecated) Total disk space used by SSTables belonging to this table, including obsolete ones waiting to be GC'd. |
cassandra_table_total_disk_space_used2 |
Bytes | Total (Sum) | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M, PT5M, PT15M, PT30M, PT1H, PT6H, PT12H, P1D | No |
| total disk space used Total disk space used by SSTables belonging to this table, including obsolete ones waiting to be GC'd. |
cassandra_table_total_disk_space_used3 |
Bytes | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| view lock acquire time average Average time taken acquiring a partition lock for materialized view updates on this table. |
cassandra_table_view_lock_acquire_time |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| view lock acquire time p99 p99 time taken acquiring a partition lock for materialized view updates on this table. |
cassandra_table_view_lock_acquire_time_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| view read time average Average time taken during the local read of a materialized view update. |
cassandra_table_view_read_time |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| view read time p99 p99 time taken during the local read of a materialized view update. |
cassandra_table_view_read_time_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| waiting on free memtable space average Average time spent waiting for free memtable space, either on- or off-heap. |
cassandra_table_waiting_on_free_memtable_space |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| waiting on free memtable space p99 p99 time spent waiting for free memtable space, either on- or off-heap. |
cassandra_table_waiting_on_free_memtable_space_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| write latency average (microseconds) Average local write latency for this table. |
cassandra_table_write_latency |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
| write latency p99 (microseconds) p99 local write latency for this table. |
cassandra_table_write_latency_p99 |
Count | Average | cassandra_datacenter, cassandra_node, table, keyspace |
PT1M | No |
Category: Cassandra ThreadPool
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| active tasks Number of tasks being actively worked on by this pool. |
cassandra_thread_pools_active_tasks |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, pool_name, pool_type |
PT1M | No |
| currently blocked tasks (deprecated) Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked. |
cassandra_thread_pools_currently_blocked_tasks |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, pool_name, pool_type |
PT1M | No |
| currently blocked tasks (deprecated) Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked. |
cassandra_thread_pools_currently_blocked_tasks2 |
Count | Total (Sum) | cassandra_datacenter, cassandra_node, pool_name, pool_type |
PT1M | No |
| currently blocked tasks Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked. |
cassandra_thread_pools_currently_blocked_tasks3 |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, pool_name, pool_type |
PT1M | No |
| max pool size Maximum number of threads in this pool. |
cassandra_thread_pools_max_pool_size |
Count | Maximum | cassandra_datacenter, cassandra_node, pool_name, pool_type |
PT1M | No |
| pending tasks Number of queued tasks queued up on this pool. |
cassandra_thread_pools_pending_tasks |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, pool_name, pool_type |
PT1M | No |
| total blocked tasks Total number of tasks that were blocked due to queue saturation. |
cassandra_thread_pools_total_blocked_tasks |
Count | Average, Minimum, Maximum, Count | cassandra_datacenter, cassandra_node, pool_name, pool_type |
PT1M | No |
Category: System
| Metric | Name in REST API | Unit | Aggregation | Dimensions | Time Grains | DS Export |
|---|---|---|---|---|---|---|
| CPU usage active CPU usage (active). |
cpu |
Percent | Average | ClusterResourceName, DataCenterResourceName, Address, Kind, CPU |
PT1M | Yes |
| disk utilization Disk utilization rate. |
disk_utilization |
Percent | Average | ClusterResourceName, DataCenterResourceName, Address |
PT1M | Yes |
| disk I/O merged reads Cumulative disk I/O merged reads. |
diskio_merged_reads |
Count | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| disk I/O merged writes Cumulative disk I/O merged writes. |
diskio_merged_writes |
Count | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| disk I/O read bytes Cumulative disk I/O read bytes. |
diskio_read_bytes |
Bytes | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| disk I/O read time (milliseconds) Cumulative disk I/O read time (milliseconds). |
diskio_read_time |
MilliSeconds | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| disk I/O read counts Cumulative disk I/O read counts. |
diskio_reads |
Count | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| disk I/O write bytes Cumulative disk I/O write bytes. |
diskio_write_bytes |
Bytes | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| disk I/O write time (milliseconds) Cumulative disk I/O write time (milliseconds). |
diskio_write_time |
MilliSeconds | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| disk I/O write counts Cumulative disk I/O write counts. |
diskio_writes |
Count | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| network received bytes Cumulative network received bytes. |
ethtool_rx_bytes |
Bytes | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| network received packets Cumulative network received packets. |
ethtool_rx_packets |
Count | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| network transmitted bytes Cumulative network transmitted bytes. |
ethtool_tx_bytes |
Bytes | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| network transmitted packets Cumulative network transmitted packets. |
ethtool_tx_packets |
Count | Average, Minimum, Maximum, Count | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | No |
| IOPS (including throughput) I/O operations and bytes per second. |
iops |
Count | Average | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | Yes |
| memory utilization Memory utilization rate. |
percent_mem |
Percent | Average | ClusterResourceName, DataCenterResourceName, Address |
PT1M | Yes |
| RAID array degraded Whether RAID array is degraded. 1 means degraded, 0 means not degraded. |
raid_array_degraded |
Count | Average, Maximum, Minimum | DataCenterResourceName, Address, RaidArrayName, RaidArrayType |
PT1M | No |
| RAID array rebuild Percentage of RAID array rebuild. |
raid_array_rebuild |
Percent | Average, Minimum, Maximum | DataCenterResourceName, Address, RaidArrayName, RaidArrayType |
PT1M | No |
| average CPU usage active Average CPU usage (active) across all the CPUs. |
total_cpu |
Percent | Average | ClusterResourceName, DataCenterResourceName, Address, Kind |
PT1M | Yes |