7.4.4 -XX:HitachiJavaLogNumberOfFile

Description

-XX:HitachiJavaLogNumberOfFile specifies the maximum number of Java VM log files that are to be created. This specification prevents the number of created files from increasing.

If the wraparound method is used as the rotation method, when the maximum number of files is exceeded, information is output to the file that was created first.

If the shift method is used as the rotation method, when the maximum number of files is exceeded, the oldest backup file is deleted.

Prerequisite options

Specify one of the following options:

• -XX:+HitachiVerboseGC

• -XX:+HitachiOutOfMemoryStackTrace

• -XX:+HitachiOutOfMemoryCause

• -XX:+HitachiOutOfMemorySize

• -XX:+HitachiJavaClassLibTrace

• -XX:+JITCompilerContinuation

Syntax

-XX:HitachiJavaLogNumberOfFile=integer_value

Specifiable values

integer_value

Type: Integer

Specify a value from 1 to 99. If you specify a value of 100 or more, 99 is set. If you specify 0, 1 is set. If you specify a negative value, an error occurs.

Default value

If the definition item is omitted:

For the wraparound method:

-XX:HitachiJavaLogNumberOfFile=4

For the shift method:

-XX:HitachiJavaLogNumberOfFile=8