SSDM-891 Archive elements in batches defined by the size of datasets.

SVN: 32482

datastore_server/etc/service.properties

@@ -393,6 +393,7 @@ archiver.class = ch.systemsx.cisd.openbis.dss.generic.server.plugins.standard.Rs
 archiver.destination = /Users/openbis/dest
 # indicates if data should be synchronized when local copy differs from one in archive (default: true)
 archiver.synchronize-archive = true
+archiver.batch-size-in-bytes = 20000000
 
 # ---------------------------------------------------------------------------
 # maintenance plugins configuration