pg_upgrade_server.log

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  pg_upgrade run on Mon Oct 30 08:52:28 2023
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command: "/usr/local/pgsql/bin/pg_ctl" -w -l "data_N2/pg_upgrade_output.d/20231030T085228.368/log/pg_upgrade_server.log" -D "data_N1" -o "-p 50432 -b -c max_slot_wal_keep_size=-1 -c max_slot_wal_keep_size=1MB -c listen_addresses='' -c unix_socket_permissions=0700 -c unix_socket_directories='/home/hayato/test/pgdump'" start >> "data_N2/pg_upgrade_output.d/20231030T085228.368/log/pg_upgrade_server.log" 2>&1
waiting for server to start....2023-10-30 08:52:28.503 GMT [6849] FATAL:  invalid value for parameter "max_slot_wal_keep_size": 1
 stopped waiting
pg_ctl: could not start server
Examine the log output.