com.collation.platform.model.topology.enums
Interface MQLogWriteIntegrityEnum

All Superinterfaces:
Enumeration

public interface MQLogWriteIntegrityEnum
extends Enumeration

Some hardware guarantees that, if a write operation writes a page and fails for any reason, a subsequent read of the same page into a buffer results in each byte in the buffer being either: - The same as before the write, or - The byte that should have been written in the write operation On this type of hardware (for example, ssa write cache enabled), it is safe for the logger to write log records in a single write as the hardware assures full write integrity. This method provides the highest level of performance.


Field Summary
static int DOUBLE_WRITE
           
static int OTHER
           
static int SINGLE_WRITE
           
static int TRIPLE_WRITE
           
static int UNKNOWN
           
 

Field Detail

UNKNOWN

static final int UNKNOWN
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OTHER

static final int OTHER
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Constant Field Values

SINGLE_WRITE

static final int SINGLE_WRITE
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Constant Field Values

DOUBLE_WRITE

static final int DOUBLE_WRITE
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TRIPLE_WRITE

static final int TRIPLE_WRITE
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Constant Field Values