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Enhanced search performance in disk logstream, specially when filtering in LARGE files!

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This commit is contained in:
Andre Lorbach 2008-09-19 17:10:29 +02:00
parent 2b7d1d790b
commit 7bf38af1a4
3 changed files with 11 additions and 10 deletions
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2
src/classes/logstream.class.php
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@ -656,8 +656,8 @@ abstract class LogStream {
// "+",
);
$this->_filters[$tmpKeyName][$iNum][FILTER_VALUE] = preg_replace( $searchArray, $replaceArray, $this->_filters[$tmpKeyName][$iNum][FILTER_VALUE] );
// $this->_filters[$tmpKeyName][$iNum][FILTER_VALUE] = str_replace( '+', ' ', $this->_filters[$tmpKeyName][$iNum][FILTER_VALUE]);
$this->_filters[$tmpKeyName][$iNum][FILTER_VALUE] = preg_replace( $searchArray, $replaceArray, $this->_filters[$tmpKeyName][$iNum][FILTER_VALUE] );
// ---
}

4
src/classes/logstreamdisk.class.php
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@ -523,7 +523,9 @@ class LogStreamDisk extends LogStream {
*/
public function GetLastPageUID()
{
// Obtain last UID if enough records are available!
// Only perform lastUID scan if there are NO filters, for performance REASONS!
if ( $this->_filters != null )
return UID_UNKNOWN;
// Helper variables
$myuid = -1;

9
src/index.php
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@ -230,10 +230,6 @@ if ( isset($content['Sources'][$currentSourceID]) )
// TODO Implement ORDER
$stream->SetReadDirection($content['read_direction']);
// Read First and LAST UID's before start reading the stream!
$content['uid_last'] = $stream->GetLastPageUID();
$content['uid_first'] = $stream->GetFirstPageUID();
// Set current ID and init Counter
$uID = $content['uid_current'];
$counter = 0;
@ -830,9 +826,12 @@ if ( isset($content['Sources'][$currentSourceID]) )
// Increment Counter
$counter++;
} while ($counter < $content['ViewEntriesPerPage'] && ($ret = $stream->ReadNext($uID, $logArray)) == SUCCESS);
//print_r ( $content['syslogmessages'] );
// Move below processing - Read First and LAST UID's before start reading the stream!
$content['uid_last'] = $stream->GetLastPageUID();
$content['uid_first'] = $stream->GetFirstPageUID();
if ( $content['main_recordcount'] == -1 || $content['main_recordcount'] > $content['ViewEntriesPerPage'] )
{
// Enable Pager in any case here!