Fix restart of raftable

Author: knizhnik

Dockerfile

@@ -31,7 +31,7 @@ USER postgres
 ENV CFLAGS -O0
 WORKDIR /pg
 
-ENV REBUILD 4
+ENV REBUILD 5
 
 RUN cd /pg && \
 	git clone https://github.com/postgrespro/postgres_cluster.git --depth 1 && \

arbiter.c

@@ -144,6 +144,7 @@ static BackgroundWorker MtmRecevier = {
 
 void MtmArbiterInitialize(void)
 {
+	elog(LOG, "Register background workers");
 	RegisterBackgroundWorker(&MtmSender);
 	RegisterBackgroundWorker(&MtmRecevier);
 }
@@ -659,7 +660,7 @@ static void MtmTransSender(Datum arg)
 	int i;
 
 	MtmBuffer* txBuffer = (MtmBuffer*)palloc0(sizeof(MtmBuffer)*nNodes);
-
+	elog(LOG, "Start arbiter sender %d", MyProcPid);
 	InitializeTimeouts();
 
 	signal(SIGINT, SetStop);

tests2/docker-entrypoint.sh

@@ -69,7 +69,7 @@ if [ "$1" = 'postgres' ]; then
 			max_prepared_transactions = 100
 			synchronous_commit = off
 			wal_level = logical
-			max_worker_processes = 15
+			max_worker_processes = 30
 			max_replication_slots = 10
 			max_wal_senders = 10
 			shared_preload_libraries = 'raftable,multimaster'