A snapshot of the session’s performance/diagnostic metrics.

Attributes

Minimum in microseconds

Maximum in microseconds

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

errors