IBM User Guide for Java V7 on Windows > Reference > Command-line options > System property command-line options

-Dcom.ibm.mappedByteBufferForce

Setting this value to true forces data to be committed to disk during system failure.

-Dcom.ibm.mappedByteBufferForce=[true | false]

During system failure, the MappedByteBuffer.force API does not commit data to disk, which prevents data integrity issues. Setting this value to true forces data to be committed to disk during system failure. Because this setting can cause performance degradation, this switch is not enabled by default.

Parent: System property command-line options

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