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disable JIT and parallel processing for osm2pgsql in updates

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This is known to cause issues because of bad indexing
statistics.
This commit is contained in:
Sarah Hoffmann 2020-06-28 18:06:06 +02:00
parent dd10c867db
commit ff1be13d0e
1 changed files with 5 additions and 0 deletions
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5
utils/update.php
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@ -55,6 +55,7 @@ date_default_timezone_set('Etc/UTC');
$oDB = new Nominatim\DB();
$oDB->connect();
$fPostgresVersion = $oDB->getPostgresVersion();
$aDSNInfo = Nominatim\DB::parseDSN(CONST_Database_DSN);
if (!isset($aDSNInfo['port']) || !$aDSNInfo['port']) $aDSNInfo['port'] = 5432;
@ -90,6 +91,10 @@ if (isset($aDSNInfo['password']) && $aDSNInfo['password']) {
if (!is_null(CONST_Osm2pgsql_Flatnode_File) && CONST_Osm2pgsql_Flatnode_File) {
$oOsm2pgsqlCmd->addParams('--flat-nodes', CONST_Osm2pgsql_Flatnode_File);
}
if ($fPostgresVersion >= 11.0) {
$oOsm2pgsqlCmd->addEnvPair('PGOPTIONS',
'-c jit=off -c max_parallel_workers_per_gather=0');
}
$oIndexCmd = (new \Nominatim\Shell(CONST_BasePath.'/nominatim/nominatim.py'))