CassandraDB

Table 1-88 Supported Configuration Metrics for CassandraDB

Metric Group	Name	Unit	Default Collection Frequency	Description
ReadStageThreadPool	Active Tasks	NA	1 Min	Approximate number of tasks thread pool is actively executing
ReadStageThreadPool	Currently Blocked Tasks	NA	1 Min	Number of currently blocked tasks
ReadStageThreadPool	Pending Tasks	NA	1 Min	Approximate number of pending tasks thread pool has

Table 1-89 Supported Configuration Metrics for Hosted Target

Metric Group	Name	Unit	Description
Resource Allocation	Total CPUs	N/A	Total number of CPUs allocated or available to the entity
Resource Allocation	Total Memory	GB	Total amount of usable Physical RAM allocated or available to the entity

Table 1-90 Supported Status and Performance Metrics for CassandraDB

Metric Group	Category	Name	Unit	Default Collection Frequency	Description
Storage	Error	Exceptions	per min	1 Min	Number of internal exceptions caught
Storage	Load	Disk Data Size	bytes	1 Min	On disk data size the node manages
Buffer Pool	Utilization	Size	bytes	1 Min	Size of the managed buffer pool
Buffer Pool	Utilization	Misses	per min	1 Min	The rate of misses in the pool.
Row Cache	Capacity	Capacity	bytes	1 Min	Cache capacity
Row Cache	Utilization	Requests	per min	1 Min	Total number of cache requests
Row Cache	Utilization	Size	bytes	1 Min	Total size of occupied cache
Physical Memory	Load	Memory Usage	GB	1 Min	Physical Memory used in GB
Physical Memory	Utilization	Memory Utilization	%	1 Min	Percentage of physical memory that is utilized
Physical Memory	Utilization	Max	bytes	1 Min	Maximum amount of memory in bytes that can be used for memory management
TableMetrics	Load	ReadLatency	reqs/sec	1 Min	Read requests per second
TableMetrics	Load	WriteLatency	reqs/sec	1 Min	Write requests per second
CommitLogMetrics	Load	TotalCommitLogSize	bytes	1 Min	Current size, in bytes, used by all the commit log segments
CommitLogMetrics	Load	CompletedTasks	msgs/sec	1 Min	Total number of commit log messages written.
CommitLogMetrics	Load	PendingTasks	NA	1 Min	Number of commit log messages written but yet to be fsync'd
CompactionMetrics	Load	BytesCompacted	bytes	1 Min	Total number of bytes compacted
CompactionMetrics	Load	CompletedTasks	ops/sec	1 Min	Number of completed compactions
CompactionMetrics	Load	PendingTasks	NA	1 Min	Total compaction tasks in queue

Table 1-91 Supported Status and Performance Metrics for Hosted Target

Metric Group	Category	Name	Unit	Description
CPU	Utilization	CPU Usage	sec	All CPUs usage during the interval
CPU	N/A	CPU Utilization	%	Percentage of CPU that was utilized
CPU	N/A	Interval	sec	Interval of metric collection
Memory	Load	Memory Usage	GB	Memory used in GB
Memory	Utilization	Memory Utilization	%	Percentage of memory that is utilized
Memory	N/A	Interval	sec	Interval of metric collection