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The local command for backup is implemented entirely in C.

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The local process is now entirely migrated to C.  Since all major I/O operations are performed in the local process, the vast majority of I/O is now performed in C.

Contributed by David Steele, Cynthia Shang.
This commit is contained in:
David Steele
2019-07-25 14:34:16 -04:00
parent 54ec8f151e
commit 59f135340d
18 changed files with 990 additions and 917 deletions
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22
lib/pgBackRest/Backup/Backup.pm
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@@ -336,13 +336,6 @@ sub processManifest
}
}
# Build the lsn start parameter to pass to the extra function
my $hStartLsnParam =
{
iWalId => defined($strLsnStart) ? hex((split('/', $strLsnStart))[0]) : 0xFFFFFFFF,
iWalOffset => defined($strLsnStart) ? hex((split('/', $strLsnStart))[1]) : 0xFFFFFFFF,
};
# Iterate all files in the manifest
foreach my $strRepoFile (
sort {sprintf("%016d-%s", $oBackupManifest->numericGet(MANIFEST_SECTION_TARGET_FILE, $b, MANIFEST_SUBKEY_SIZE), $b) cmp
@@ -401,13 +394,13 @@ sub processManifest
# Queue for parallel backup
$oBackupProcess->queueJob(
$iHostConfigIdx, $strQueueKey, $strRepoFile, OP_BACKUP_FILE,
[$strDbFile, $strRepoFile, $lSize,
[$strDbFile, $bIgnoreMissing, $lSize,
$oBackupManifest->get(MANIFEST_SECTION_TARGET_FILE, $strRepoFile, MANIFEST_SUBKEY_CHECKSUM, false),
cfgOption(CFGOPT_CHECKSUM_PAGE) ? isChecksumPage($strRepoFile) : false, $strBackupLabel, $bCompress,
cfgOption(CFGOPT_COMPRESS_LEVEL), $oBackupManifest->numericGet(MANIFEST_SECTION_TARGET_FILE, $strRepoFile,
MANIFEST_SUBKEY_TIMESTAMP, false), $bIgnoreMissing,
cfgOption(CFGOPT_CHECKSUM_PAGE) && isChecksumPage($strRepoFile) ? $hStartLsnParam : undef,
cfgOption(CFGOPT_DELTA), defined($strReference) ? true : false],
cfgOption(CFGOPT_CHECKSUM_PAGE) ? isChecksumPage($strRepoFile) : false,
defined($strLsnStart) ? hex((split('/', $strLsnStart))[0]) : 0xFFFFFFFF,
defined($strLsnStart) ? hex((split('/', $strLsnStart))[1]) : 0xFFFFFFFF,
$strRepoFile, defined($strReference) ? true : false, $bCompress, cfgOption(CFGOPT_COMPRESS_LEVEL),
$strBackupLabel, cfgOption(CFGOPT_DELTA)],
{rParamSecure => $oBackupManifest->cipherPassSub() ? [$oBackupManifest->cipherPassSub()] : undef});
# Size and checksum will be removed and then verified later as a sanity check
@@ -449,7 +442,8 @@ sub processManifest
{
($lSizeCurrent, $lManifestSaveCurrent) = backupManifestUpdate(
$oBackupManifest, cfgOption(cfgOptionIdFromIndex(CFGOPT_PG_HOST, $hJob->{iHostConfigIdx}), false),
$hJob->{iProcessId}, @{$hJob->{rParam}}[0..4], @{$hJob->{rResult}}, $lSizeTotal, $lSizeCurrent, $lManifestSaveSize,
$hJob->{iProcessId}, @{$hJob->{rParam}}[0], @{$hJob->{rParam}}[7], @{$hJob->{rParam}}[2], @{$hJob->{rParam}}[3],
@{$hJob->{rParam}}[4], @{$hJob->{rResult}}, $lSizeTotal, $lSizeCurrent, $lManifestSaveSize,
$lManifestSaveCurrent);
}