logger

The name of a class that implements 'com.mysql.cj.log.Log' that will be used to log messages to. (default is 'com.mysql.cj.log.StandardLogger', which logs to STDERR).

profilerEventHandler

Name of a class that implements the interface 'com.mysql.cj.log.ProfilerEventHandler' that will be used to handle profiling/tracing events.

useNanosForElapsedTime

For profiling/debugging functionality that measures elapsed time, should the driver try to use nanoseconds resolution?

maxQuerySizeToLog

Controls the maximum length of the part of a query that will get logged when profiling or tracing.

maxByteArrayAsHex

Maximum size for a byte array parameter in a prepared statement that is converted to a hexadecimal literal when interpolated by 'JdbcPreparedStatement.toString()'. Any byte arrays larger than this value are interpolated generically as "** BYTE ARRAY DATA **".

profileSQL

Trace queries and their execution/fetch times to the configured 'profilerEventHandler'.

logSlowQueries

Should queries that take longer than 'slowQueryThresholdMillis' or detected by the 'autoSlowLog' monitoring be reported to the registered 'profilerEventHandler'?

slowQueryThresholdMillis

If 'logSlowQueries' is enabled, how long, in milliseconds, should a query take before it is logged as slow?

slowQueryThresholdNanos

If 'logSlowQueries' is enabled, 'useNanosForElapsedTime' is set to "true", and this property is set to a non-zero value, the driver will use this threshold, in nanosecond units, to determine if a query was slow.

autoSlowLog

Instead of using 'slowQueryThreshold*' to determine if a query is slow enough to be logged, maintain statistics that allow the driver to determine queries that are outside the 99th percentile?

explainSlowQueries

If 'logSlowQueries' is enabled, should the driver automatically issue an 'EXPLAIN' on the server and send the results to the configured logger at a WARN level?

gatherPerfMetrics

Should the driver gather performance metrics, and report them via the configured logger every 'reportMetricsIntervalMillis' milliseconds?

reportMetricsIntervalMillis

If 'gatherPerfMetrics' is enabled, how often should they be logged (in milliseconds)?

logXaCommands

Should the driver log XA commands sent by 'MysqlXaConnection' to the server, at the DEBUG level of logging?

traceProtocol

Should the network protocol be logged at the TRACE level?

enablePacketDebug

When enabled, a ring-buffer of 'packetDebugBufferSize' packets will be kept, and dumped when exceptions are thrown in key areas in the driver's code.

packetDebugBufferSize

The maximum number of packets to retain when 'enablePacketDebug' is "true".

useUsageAdvisor

Should the driver issue usage warnings advising proper and efficient usage of JDBC and MySQL Connector/J to the 'profilerEventHandler'?

resultSetSizeThreshold

If 'useUsageAdvisor' is "true", how many rows should a result set contain before the driver warns that it is suspiciously large?

autoGenerateTestcaseScript

Should the driver dump the SQL it is executing, including server-side prepared statements to STDERR?