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Thursday, March 27, 2008

Interesting post on max_dump_file_size

From Oracle Database reference:


Property Description
Parameter type String
Syntax MAX_DUMP_FILE_SIZE = { integer [K | M] | UNLIMITED }
Default value UNLIMITED
Range of values 0 to unlimited, or UNLIMITED
Basic No

MAX_DUMP_FILE_SIZE specifies the maximum size of trace files (excluding the alert file). Change this limit if you are concerned that trace files may use too much space.

  • A numerical value for MAX_DUMP_FILE_SIZE specifies the maximum size in operating system blocks.

  • A number followed by a K or M suffix specifies the file size in kilobytes or megabytes.

  • The special value string UNLIMITED means that there is no upper limit on trace file size. Thus, dump files can be as large as the operating system permits.

I found a very interesting post on Doug's Oracle blog about issues faced while setting this parameter.

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