- Consider logging a trace event in "DatabaseContext::getLatestCommitVersions" (#8008)

only if the version vector doesn't have an entry for a tag.
- Address a bug in "run_custom_cluster.sh" (Note: code change provided
by Dan).

fdbclient/NativeAPI.actor.cpp

@@ -270,8 +270,8 @@ void DatabaseContext::getLatestCommitVersions(const Reference<LocationInfo>& loc
 				}
 			}
 		}
-		// commitVersion == readVersion is common, do not log.
-		if (!updatedVersionMap && commitVersion != readVersion) {
+		// Do not log if commitVersion >= readVersion.
+		if (!updatedVersionMap && commitVersion == invalidVersion) {
 			TraceEvent(SevDebug, "CommitVersionNotFoundForSS")
 			    .detail("InSSIDMap", iter != ssidTagMapping.end() ? 1 : 0)
 			    .detail("Tag", tag)

tests/loopback_cluster/run_custom_cluster.sh

@@ -40,7 +40,7 @@ function start_servers {
 		mkdir -p ${LOG} ${DATA}
 		PORT=$(( $PORT_PREFIX + $SERVER_COUNT ))
 		ZONE=$4-Z-$(( $j % $REPLICATION_COUNT ))
-		$2 ${FDB} -p auto:${PORT} "$KNOBS" -c $3 -d $DATA -L $LOG -C $CLUSTER --datacenter_id=$4 --locality-zoneid $ZONE --locality-machineid M-$SERVER_COUNT &
+		$2 ${FDB} -p auto:${PORT} $KNOBS -c $3 -d $DATA -L $LOG -C $CLUSTER --datacenter_id=$4 --locality-zoneid $ZONE --locality-machineid M-$SERVER_COUNT &
 		SERVER_COUNT=$(( $SERVER_COUNT + 1 ))
 	done
 }