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 |