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v0.61: bug fix for uncompressed remote destination

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* Fixed a buffering error that could occur on large, highly-compressible files when copying to an uncompressed remote destination.  The error was detected in the decompression code and resulted in a failed backup rather than corruption so it should not affect successful backups made with previous versions.
This commit is contained in:
David Steele 2015-04-21 09:45:03 -04:00
parent 5185d49873
commit a9b9ec2492
5 changed files with 41 additions and 12 deletions
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4
README.md
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@ -698,6 +698,10 @@ example: db-path=/data/db
## Release Notes
### v0.61: bug fix for uncompressed remote destination
* Fixed a buffering error that could occur on large, highly-compressible files when copying to an uncompressed remote destination. The error was detected in the decompression code and resulted in a failed backup rather than corruption so it should not affect successful backups made with previous versions.
### v0.60: better version support and WAL improvements
* Pushing duplicate WAL now generates an error. This worked before only if checksums were disabled.

2
VERSION
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@ -1 +1 @@
0.60
0.61

8
doc/doc.xml
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@ -656,6 +656,14 @@ Run a <id>full</id> backup on the <id>db</id> stanza. <param>--type</param> can
<release title="Release Notes">
<release-version-list>
<release-version version="0.61" title="bug fix for uncompressed remote destination">
<release-feature-bullet-list>
<release-feature>
<text>Fixed a buffering error that could occur on large, highly-compressible files when copying to an uncompressed remote destination. The error was detected in the decompression code and resulted in a failed backup rather than corruption so it should not affect successful backups made with previous versions.</text>
</release-feature>
</release-feature-bullet-list>
</release-version>
<release-version version="0.60" title="better version support and WAL improvements">
<release-feature-bullet-list>
<release-feature>

4
lib/BackRest/Remote.pm
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@ -755,7 +755,7 @@ sub binary_xfer
last;
}
}
while ($iZLibStatus == Z_OK && $iUncompressedBufferSize > 0 && $iBlockSize > 0);
while ($iZLibStatus != Z_STREAM_END && $iUncompressedBufferSize > 0 && $iBlockSize > 0);
}
}
while ($iBlockSize > 0);
@ -1003,7 +1003,7 @@ sub binary_xfer
$iBlockSize = 0;
}
}
while ($iZLibStatus == Z_OK && $iUncompressedBufferSize > 0 && $iBlockSize > 0);
while ($iZLibStatus != Z_STREAM_END && $iUncompressedBufferSize > 0 && $iBlockSize > 0);
}
}
}

35
test/lib/BackRestTest/FileTest.pm
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@ -1042,7 +1042,7 @@ sub BackRestTestFile_Test
$iRun = 0;
# Loop through small/large
for (my $bLarge = false; $bLarge <= 2; $bLarge++)
for (my $iLarge = 0; $iLarge <= 3; $iLarge++)
{
# Loop through backup local vs remote
for (my $bBackupRemote = 0; $bBackupRemote <= 1; $bBackupRemote++)
@ -1075,13 +1075,13 @@ sub BackRestTestFile_Test
for (my $bDestinationPathType = 0; $bDestinationPathType <= 1; $bDestinationPathType++)
{
# Loop through source missing/present
for (my $bSourceMissing = 0; $bSourceMissing <= !$bLarge; $bSourceMissing++)
for (my $bSourceMissing = 0; $bSourceMissing <= !$iLarge; $bSourceMissing++)
{
# Loop through source ignore/require
for (my $bSourceIgnoreMissing = 0; $bSourceIgnoreMissing <= !$bLarge; $bSourceIgnoreMissing++)
for (my $bSourceIgnoreMissing = 0; $bSourceIgnoreMissing <= !$iLarge; $bSourceIgnoreMissing++)
{
# Loop through checksum append
for (my $bChecksumAppend = 0; $bChecksumAppend <= !$bLarge; $bChecksumAppend++)
for (my $bChecksumAppend = 0; $bChecksumAppend <= !$iLarge; $bChecksumAppend++)
{
# Loop through source compression
for (my $bSourceCompressed = 0; $bSourceCompressed <= !$bSourceMissing; $bSourceCompressed++)
@ -1096,7 +1096,7 @@ sub BackRestTestFile_Test
my $strDestinationPath = $bDestinationPathType ? 'db' : 'backup';
if (!BackRestTestCommon_Run(++$iRun,
"lrg ${bLarge}, rmt " .
"lrg ${iLarge}, rmt " .
(defined($strRemote) && ($strRemote eq $strSourcePath ||
$strRemote eq $strDestinationPath) ? 1 : 0) .
', srcpth ' . (defined($strRemote) && $strRemote eq $strSourcePath ? 'rmt' : 'lcl') .
@ -1124,12 +1124,24 @@ sub BackRestTestFile_Test
if (!$bSourceMissing)
{
if ($bLarge)
if ($iLarge)
{
$strSourceFile .= '.bin';
$strDestinationFile .= '.bin';
BackRestTestCommon_Execute('cp ' . BackRestTestCommon_DataPathGet() . "/test.archive${bLarge}.bin ${strSourceFile}");
if ($iLarge < 3)
{
BackRestTestCommon_Execute('cp ' . BackRestTestCommon_DataPathGet() .
"/test.archive${iLarge}.bin ${strSourceFile}");
}
else
{
for (my $iTableSizeIdx = 0; $iTableSizeIdx < 100; $iTableSizeIdx++)
{
BackRestTestCommon_Execute('cat ' . BackRestTestCommon_DataPathGet() .
"/test.table.bin >> ${strSourceFile}");
}
}
}
else
{
@ -1139,16 +1151,21 @@ sub BackRestTestFile_Test
system("echo 'TESTDATA' > ${strSourceFile}");
}
if ($bLarge == 1)
if ($iLarge == 1)
{
$strSourceHash = 'c2e63b6a49d53a53d6df1aa6b70c7c16747ca099';
$iSourceSize = 16777216;
}
elsif ($bLarge == 2)
elsif ($iLarge == 2)
{
$strSourceHash = '1c7e00fd09b9dd11fc2966590b3e3274645dd031';
$iSourceSize = 16777216;
}
elsif ($iLarge == 3)
{
$strSourceHash = 'c23a89d47c7a006fcda51da0cc95993dc9aad995';
$iSourceSize = 104857600;
}
else
{
$strSourceHash = '06364afe79d801433188262478a76d19777ef351';