Package io.deephaven.engine.table.impl.util

Class TableLoggers

java.lang.Object

io.deephaven.engine.table.impl.util.TableLoggers

public class TableLoggers
extends Object

Accessors for Deephaven tables of instrumentation logs. These tables include query logs and performance logs

Constructor Summary

Constructors

Constructor	Description
TableLoggers()

Method Summary

Modifier and Type	Method	Description
static QueryTable	processInfoLog()	Return a static table with process information for the current engine process.
static QueryTable	processMetricsLog()	Return a table with metrics collected for the current engine process.
static QueryTable	queryOperationPerformanceLog()	Return a table with individual subquery performance data.
static QueryTable	queryPerformanceLog()	Return a table with query performance data.
static QueryTable	serverStateLog()	Return a table with process memory utilization and garbage collection data.
static QueryTable	updatePerformanceLog()	Return a table with update performance data.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TableLoggers

public TableLoggers()

Method Details

updatePerformanceLog

@ScriptApi
public static QueryTable updatePerformanceLog()

Return a table with update performance data.

Returns:

A table with update performance data.

queryPerformanceLog

@ScriptApi
public static QueryTable queryPerformanceLog()

Return a table with query performance data. Individual sub-operations in the query are referenced in QueryOperationPerformanceLog.

Returns:

A table with query performance data.

queryOperationPerformanceLog

@ScriptApi
public static QueryTable queryOperationPerformanceLog()

Return a table with individual subquery performance data.

Returns:

A table with subquery performance data.

processMetricsLog

@ScriptApi
public static QueryTable processMetricsLog()

Return a table with metrics collected for the current engine process.

Returns:

A table with metrics for the current engine process.

processInfoLog

@ScriptApi
public static QueryTable processInfoLog()

Return a static table with process information for the current engine process.

Returns:

A table with process information for the current engine process.

serverStateLog

@ScriptApi
public static QueryTable serverStateLog()

Return a table with process memory utilization and garbage collection data.

Returns:

A table with memory and GC data.