struct CassMetrics
A snapshot of the session’s performance/diagnostic metrics.
Attributes
cass_uint64_t min
Minimum in microseconds
cass_uint64_t max
Maximum in microseconds
cass_uint64_t mean
Mean in microseconds
cass_uint64_t stddev
Standard deviation in microseconds
cass_uint64_t median
Median in microseconds
cass_uint64_t percentile_75th
75th percentile in microseconds
cass_uint64_t percentile_95th
95th percentile in microseconds
cass_uint64_t percentile_98th
98th percentile in microseconds
cass_uint64_t percentile_99th
99the percentile in microseconds
cass_uint64_t percentile_999th
99.9th percentile in microseconds
cass_double_t mean_rate
Mean rate in requests per second
cass_double_t one_minute_rate
1 minute rate in requests per second
cass_double_t five_minute_rate
5 minute rate in requests per second
cass_double_t fifteen_minute_rate
15 minute rate in requests per second
struct CassMetrics::@0 requests
cass_uint64_t total_connections
The total number of connections
cass_uint64_t available_connections
The number of connections available to take requests
cass_uint64_t exceeded_pending_requests_water_mark
Occurrences when requests exceeded a pool’s water mark
cass_uint64_t exceeded_write_bytes_water_mark
Occurrences when number of bytes exceeded a connection’s water mark
struct CassMetrics::@1 stats
cass_uint64_t connection_timeouts
Occurrences of a connection timeout
cass_uint64_t pending_request_timeouts
cass_uint64_t request_timeouts
Occurrences of requests that timed out waiting for a connection
struct CassMetrics::@2