API Reference Guide > Zend Monitor - Configuration Directives

Zend Monitor - Configuration Directives

This topic lists all the configuration directives for Zend Monitor.

Configuration Directives Summary

The table below is a summary of all the Zend Monitor configuration directives, and displays the directive name, its default value, and a description:

Directive	Default Value	Description
zend_monitor.enable	1	Enables or disables the Monitor component.
zend_monitor.log_verbosity	2	Monitor extension log verbosity level.
zend_monitor.log_rotation_size	10	The maximum size of the log file before it is rotated.
zend_monitor.shm_size	4194304 / 2097152	Amount of shared memory to allocate for event collection.
zend_monitor.events_transport_parameter	events.sock / events	Communication transport for event reporting to the Monitor Node.
zend_monitor.report_super_globals	PRGCVF	PHP Super-global variables to include in event reports.
zend_monitor.security_black_list		PHP Super-global values that should not be included in Zend Monitor events.
zend_monitor.super_globals_to_secure	PGCV	PHP Super-globals to pass through the security black-list filter.
zend_monitor.max_super_globals_string_len	100	The maximum length of a superglobal to include in an event report.
zend_monitor.event.request_slow_exec.disabled_on_function_slow_exec_event	0	Disable reporting of Slow Request Execution events if a Slow Function Execution event was reported.
zend_monitor.event.request_slow_exec.disabled_on_high_load.threshold	0	Sets the load level to disable Slow Request Execution events for the same request that already triggered a high load event.
zend_monitor.event.request_relative_slow_exec.min_exec_time	100	The minimum request execution time for a relativity check.
zend_monitor.event.request_relative_large_mem_usage.min_mem_usage	100	The minimum request memory usage for a relativity check.
zend_monitor.event.request_relative_large_output_size.min_output_size	100	The minimum request output size for a relativity check
zend_monitor.event.zend_error.silence_level	1	Controls PHP Error event reporting when PHP error reporting is supressed
zend_monitor.requests_statistics.warmup_requests	500	How many requests to run before deviation events are calculated (to collect data for the average). This is used to calculate averages for relative events.
zend_monitor.requests_statistics.request_lifetime	300	The time duration (in seconds) before statistics are reset if a request is not called.
zend_monitor.events_rules_file_name	monitor_rules.json	Event rules configuration file.
zend_monitor.use_fast_timestamp	0	Enables fast time sampling which is dependent on CPU cycles and frequency, otherwise, the directive uses operating system timing (which may be less accurate).
zend_monitor.event_tracing_mode	2	Determines integration with tracer mechanism in case of events that require a trace data dump.
zend_monitor.aggregate_by_url_query	0	When enabled, use the URL's query string as part of the aggregation key.
zend_monitor.components_script	event_components.php
zend_monitor.event_generate_trace_file	0	When enabled, an event will also trigger a code-tracing file generation.

Configuration Directives Details

The list below contains information for all the available configuration directives for Zend Monitor: their description, type, units, default value, modification scope, and the Zend Server version they became available in.

zend_monitor.enable

Enables or disables the Monitor component. When set to On, Zend Monitor will collect and report PHP events. When set to Off, PHP will not be monitored.

Default Value: 1

Type: boolean

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.log_verbosity

The extension's log verbosity level.

Default Value: 2

Type: int

Modification Scope: ZEND_INI_SYSTEM

Available Since Version: 4.0

zend_monitor.log_rotation_size

The maximum size of the log file before it is rotated.

Default Value: 10

Units: MBytes

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.shm_size

Amount of shared memory to allocate for event collection. If exceeded, an error message is reported to the log.

Default Value:

Windows, Linux: 4194304
Mac OS X, IBMi: 2097152

Type: int

Modification Scope: ZEND_INI_SYSTEM

Available Since Version: 4.0

zend_monitor.events_transport_parameter

Defines the network communication transport to be used when sending event reports from the Monitor Extension to the Monitor Node.

Default Value:

Linux, Mac OS X, IBMi: events.sock
Windows: events

Type: string

Modification Scope: ZEND_INI_SYSTEM

Available Since Version: 4.0

zend_monitor.report_super_globals

Default Value: PRGCVF

Type: string

Modification Scope: ZEND_INI_ALL

Available Since Version: 3.6

zend_monitor.security_black_list

Default Value:

Type: string

Modification Scope: ZEND_INI_SYSTEM

Available Since Version: 3.6

zend_monitor.super_globals_to_secure

Default Value: PGCV

Type: string

Modification Scope: ZEND_INI_ALL

Available Since Version: 3.6

zend_monitor.max_super_globals_string_len

When the string is passed, any characters that exceed the limit are truncated and '...' is appended to the end of the string to indicate that this is a partial value.

Default Value: 100

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 3.6

zend_monitor.event.request_slow_exec.disabled_on_function_slow_exec_event

Disable reporting of Slow Request Execution events if a Slow Function Execution event was reported in the same request. This reduces the chance of getting double slow-execution reports triggered by the same underlying cause.

Default Value: 0

Type: boolean

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.event.request_slow_exec.disabled_on_high_load.threshold

Sets the load level to disable Slow Request Execution events for the same request that already triggered a high load event.

Default Value: 0

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.event.request_relative_slow_exec.min_exec_time

The minimum execution time for a request to be compared to the average request execution time.

Default Value: 100

Units: milliseconds

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.event.request_relative_large_mem_usage.min_mem_usage

The minimum memory usage of a request to be compared to the average request memory usage.

Default Value: 100

Units: KBytes

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.event.request_relative_large_output_size.min_output_size

The minimum output size of a request to be compared to the average request output size.

Default Value: 100

Units: KBytes

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.event.zend_error.silence_level

Controls PHP Error event reporting when the silencing operator (@) is used or when the error_reporting level is set to 0. The values are:

Default Value: 1

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.requests_statistics.warmup_requests

How many requests to run before deviation events are calculated (to collect data for the average). This is used to calculate averages for relative events.

Default Value: 500

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.requests_statistics.request_lifetime

The time duration (in seconds) for holding statistics in memory. If a request is not called within that time period, the statistics are reset.

Default Value: 300

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.events_rules_file_name

The name and path to the file that contains the defininitons for event rules and actions. This file should not be edited manually.

Default Value: monitor_rules.json

Type: string

Modification Scope: ZEND_INI_SYSTEM

Available Since Version: 4.0

zend_monitor.use_fast_timestamp

Enables fast time sampling which is dependent on CPU cycles and frequency, otherwise, the directive uses operating system timing (which may be less accurate).

Default Value: 0

Type: boolean

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.event_tracing_mode

Determines integration with tracer mechanism in case of events that require a trace data dump. 0 means off, 1 means on, 2 means standby.

Default Value: 2

Type: int

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.aggregate_by_url_query

When enabled, use the URL's query string as part of the aggregation key.

Default Value: 0

Type: boolean

Modification Scope: ZEND_INI_ALL

Available Since Version: 4.0

zend_monitor.components_script

Default Value: event_components.php

Type: string

Modification Scope: ZEND_INI_ALL

Available Since Version: 6.0

zend_monitor.event_generate_trace_file

When enabled, an event will also trigger a code-tracing file generation.

Default Value: 0

Type: boolean

Modification Scope: ZEND_INI_ALL

Available Since Version: 5.5

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