MSSQL Compressed Backup 2.1

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Downloads: 38
Change Set: 0c7489bf271d
Released: Jul 10, 2014
Updated: Jul 10, 2014 by SQLServerIO
Dev status: Beta Help Icon

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Application MSSQL Compressed Backup 2.1 64 bit
application, 2196K, uploaded Jul 10, 2014 - 38 downloads

Release Notes

Fixed:
Fixed Bug Item Number 3 Possibility that we will get a zero length string back in tracking stream.
Fixed Bug Item Number 13 Switch to cut down on verbosity of error messages.
Fixed Bug Item Number 6 Add validator for maxtransfersize other than is number
Fixed Bug Item Number 1 Output to screen may be missing bytes completed.

Added:
QLZ Compressor
Added QuickLZ as a compressor option. It is as fast as LZ4 with about a 10 to 20 percent better compression ratio.
example:
"QLZ"

CPU Rate Lmitier
added new feature to limit cpu utlization. If you were running multiple backup file targets or multiple instances of msbp cpu would hang at 100 percent and make the box basically unusable.
example:
"cpu(limitCPU=80)"
setting to 100 percent is the same as disabling it.

Unbuffered File Stream
Use of unbuffered file methods to improve memory utlization where doing large backups would consume all available memory for file buffering.
This will also preallocate the backup file to 1/3 of the data expected to be backed up. So, if the estimate for total database data to backup is 3GB we will allocate a 1GB file on disk then resize that smaller or larger as the backup progresses or is completed.

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