allow osm2pgsql cache memory to be set for updates

diff --git a/utils/update.php b/utils/update.php
index 0e26b31152d1d3445ae233defb094b3d25bd524f..93b5ab0919db374dab7da461f830c19d451985bc 100755 (executable)
--- a/utils/update.php
+++ b/utils/update.php
@@ -26,6 +26,7 @@
 
                array('import-file', '', 0, 1, 1, 1, 'realpath', 'Re-import data from an OSM file'),
                array('import-diff', '', 0, 1, 1, 1, 'realpath', 'Import a diff (osc) file from local file system'),
+               array('osm2pgsql-cache', '', 0, 1, 1, 1, 'int', 'Cache size used by osm2pgsql'),
 
                array('import-node', '', 0, 1, 1, 1, 'int', 'Re-import node'),
                array('import-way', '', 0, 1, 1, 1, 'int', 'Re-import way'),
@@ -48,6 +49,7 @@
 
        if (!isset($aResult['index-instances'])) $aResult['index-instances'] = 1;
        if (!isset($aResult['index-rank'])) $aResult['index-rank'] = 0;
+
 /*
        // Lock to prevent multiple copies running
        if (exec('/bin/ps uww | grep '.basename(__FILE__).' | grep -v /dev/null | grep -v grep -c', $aOutput2, $iResult) > 1)
@@ -73,6 +75,20 @@
 
        $aDSNInfo = DB::parseDSN(CONST_Database_DSN);
 
+       // cache memory to be used by osm2pgsql, should not be more than the available memory
+       $iCacheMemory = (isset($aResult['osm2pgsql-cache'])?$aResult['osm2pgsql-cache']:2000);
+       if ($iCacheMemory + 500 > getTotalMemoryMB())
+       {
+               $iCacheMemory = getCacheMemoryMB();
+               echo "WARNING: resetting cache memory to $iCacheMemory\n";
+       }
+       $sOsm2pgsqlCmd = CONST_Osm2pgsql_Binary.' -klas -C '.$iCacheMemory.' -O gazetteer -d '.$aDSNInfo['database'];
+       if (!is_null(CONST_Osm2pgsql_Flatnode_File))
+       {
+               $sOsm2pgsqlCmd .= ' --flat-nodes '.CONST_Osm2pgsql_Flatnode_File;
+       }
+
+
        $bFirst = true;
        $bContinue = $aResult['import-all'];
        while ($bContinue || $bFirst)
@@ -114,11 +130,7 @@
                if (($aResult['import-hourly'] || $aResult['import-daily'] || isset($aResult['import-diff'])) && file_exists($sNextFile))
                {
                        // Import the file
-                       $sCMD = CONST_Osm2pgsql_Binary.' -klas -C 2000 -O gazetteer -d '.$aDSNInfo['database'].' '.$sNextFile;
-                       if (!is_null(CONST_Osm2pgsql_Flatnode_File))
-                       {
-                               $sCMD .= ' --flat-nodes '.CONST_Osm2pgsql_Flatnode_File;
-                       }
+                       $sCMD = $sOsm2pgsqlCmd.' '.$sNextFile;
                        echo $sCMD."\n";
                        exec($sCMD, $sJunk, $iErrorLevel);
 
@@ -229,11 +241,7 @@
                }
 
                // import generated change file
-               $sCMD = CONST_Osm2pgsql_Binary.' -klas -C 2000 -O gazetteer -d '.$aDSNInfo['database'].' '.$sTemporaryFile;
-               if (!is_null(CONST_Osm2pgsql_Flatnode_File))
-               {
-                       $sCMD .= ' --flat-nodes '.CONST_Osm2pgsql_Flatnode_File;
-               }
+               $sCMD = $sOsm2pgsqlCmd.' '.$sTemporaryFile;
                echo $sCMD."\n";
                exec($sCMD, $sJunk, $iErrorLevel);
                if ($iErrorLevel)
@@ -362,11 +370,7 @@
                $sOsmosisConfigDirectory = CONST_BasePath.'/settings';
                $sCMDDownload = $sOsmosisCMD.' --read-replication-interval workingDirectory='.$sOsmosisConfigDirectory.' --simplify-change --write-xml-change '.$sImportFile;
                $sCMDCheckReplicationLag = $sOsmosisCMD.' -q --read-replication-lag workingDirectory='.$sOsmosisConfigDirectory;
-               $sCMDImport = CONST_Osm2pgsql_Binary.' -klas -C 2000 -O gazetteer -d '.$aDSNInfo['database'].' '.$sImportFile;
-               if (!is_null(CONST_Osm2pgsql_Flatnode_File))
-               {
-                       $sCMDImport .= ' --flat-nodes '.CONST_Osm2pgsql_Flatnode_File;
-               }
+               $sCMDImport = $sOsm2pgsqlCmd.' '.$sImportFile;
                $sCMDIndex = $sBasePath.'/nominatim/nominatim -i -d '.$aDSNInfo['database'].' -t '.$aResult['index-instances'];
                if (!$aResult['no-npi']) {
                        $sCMDIndex .= '-F ';