Hi, dear pgsql-hackers
*1. environment* *DB Master* $ cat /etc/issue CentOS release 6.5 (Final) Kernel \r on an \m $ uname -av Linux l-xxxxx1.xx.cnx 3.14.29-3.centos6.x86_64 #1 SMP Tue Jan 20 17:48:32 CST 2015 x86_64 x86_64 x86_64 GNU/Linux $ psql -U postgres psql (9.3.5) Type "help" for help. postgres=# select version(); version -------------------------------------------------------------------------------------------------------------- PostgreSQL 9.3.5 on x86_64-unknown-linux-gnu, compiled by gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3), 64-bit (1 row) $ pg_config BINDIR = /opt/pg93/bin DOCDIR = /opt/pg93/share/doc/postgresql HTMLDIR = /opt/pg93/share/doc/postgresql INCLUDEDIR = /opt/pg93/include PKGINCLUDEDIR = /opt/pg93/include/postgresql INCLUDEDIR-SERVER = /opt/pg93/include/postgresql/server LIBDIR = /opt/pg93/lib PKGLIBDIR = /opt/pg93/lib/postgresql LOCALEDIR = /opt/pg93/share/locale MANDIR = /opt/pg93/share/man SHAREDIR = /opt/pg93/share/postgresql SYSCONFDIR = /opt/pg93/etc/postgresql PGXS = /opt/pg93/lib/postgresql/pgxs/src/makefiles/pgxs.mk CONFIGURE = '--prefix=/opt/pg93' '--with-perl' '--with-libxml' '--with-libxslt' '--with-ossp-uuid' 'CFLAGS= -march=core2 -O2 ' CC = gcc CPPFLAGS = -D_GNU_SOURCE -I/usr/include/libxml2 CFLAGS = -march=core2 -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv CFLAGS_SL = -fpic LDFLAGS = -L../../../src/common -Wl,--as-needed -Wl,-rpath,'/opt/pg93/lib',--enable-new-dtags LDFLAGS_EX = LDFLAGS_SL = LIBS = -lpgport -lpgcommon -lxslt -lxml2 -lz -lreadline -lcrypt -ldl -lm VERSION = PostgreSQL 9.3.5 *DB Slave*$ cat /etc/issue CentOS release 6.5 (Final) Kernel \r on an \m $ uname -av Linux l-xxxx2.xx.cnx 3.14.31-3.centos6.x86_64 #1 SMP Mon Feb 2 15:26:04 CST 2015 x86_64 x86_64 x86_64 GNU/Linux $ psql -U postgres psql (9.3.5) Type "help" for help. postgres=# select version(); version -------------------------------------------------------------------------------------------------------------- PostgreSQL 9.3.5 on x86_64-unknown-linux-gnu, compiled by gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3), 64-bit (1 row) postgres=# show log_line_prefix ; log_line_prefix ------------------------------ [%u %d %a %h %m %p %c %l %x] (1 row) $ pg_config BINDIR = /opt/pg93/bin DOCDIR = /opt/pg93/share/doc/postgresql HTMLDIR = /opt/pg93/share/doc/postgresql INCLUDEDIR = /opt/pg93/include PKGINCLUDEDIR = /opt/pg93/include/postgresql INCLUDEDIR-SERVER = /opt/pg93/include/postgresql/server LIBDIR = /opt/pg93/lib PKGLIBDIR = /opt/pg93/lib/postgresql LOCALEDIR = /opt/pg93/share/locale MANDIR = /opt/pg93/share/man SHAREDIR = /opt/pg93/share/postgresql SYSCONFDIR = /opt/pg93/etc/postgresql PGXS = /opt/pg93/lib/postgresql/pgxs/src/makefiles/pgxs.mk CONFIGURE = '--prefix=/opt/pg93' '--with-perl' '--with-libxml' '--with-libxslt' '--with-ossp-uuid' 'CFLAGS= -march=core2 -O2 ' CC = gcc CPPFLAGS = -D_GNU_SOURCE -I/usr/include/libxml2 CFLAGS = -march=core2 -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv CFLAGS_SL = -fpic LDFLAGS = -L../../../src/common -Wl,--as-needed -Wl,-rpath,'/opt/pg93/lib',--enable-new-dtags LDFLAGS_EX = LDFLAGS_SL = LIBS = -lpgport -lpgcommon -lxslt -lxml2 -lz -lreadline -lcrypt -ldl -lm VERSION = PostgreSQL 9.3.5 2. *the DB log in the Slave's log_directory*[ 2015-02-05 15:38:51.406 CST 2328 54d08abc.918 6 0]WARNING: will not overwrite a used ItemId [ 2015-02-05 15:38:51.406 CST 2328 54d08abc.918 7 0]CONTEXT: xlog redo insert: rel 38171461/16384/57220350; tid 1778398/9 [ 2015-02-05 15:38:51.406 CST 2328 54d08abc.918 8 0]PANIC: heap_insert_redo: failed to add tuple [ 2015-02-05 15:38:51.406 CST 2328 54d08abc.918 9 0]CONTEXT: xlog redo insert: rel 38171461/16384/57220350; tid 1778398/9 [ 2015-02-05 15:38:51.765 CST 2320 54d08abb.910 6 0]LOG: startup process (PID 2328) was terminated by signal 6: Aborted [ 2015-02-05 15:38:51.765 CST 2320 54d08abb.910 7 0]LOG: terminating any other active server processes [DBusesr DBname [unknown] 192.168.xxx.x 2015-02-05 15:38:51.765 CST 61450 54d31d48.f00a 3 0]WARNING: terminating connection because of crash of another server process [DBusesr DBname [unknown] 192.168.xxx.x 2015-02-05 15:38:51.765 CST 61450 54d31d48.f00a 4 0]DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory. [DBusesr DBname [unknown] 192.168.xxx.x 2015-02-05 15:38:51.765 CST 61450 54d31d48.f00a 5 0]HINT: In a moment you should be able to reconnect to the database and repeat your command. [DBusesr DBname [unknown] 192.168.xxx.x 2015-02-05 15:38:51.765 CST 51208 54d315b6.c808 7 0]WARNING: terminating connection because of crash of another server process [DBusesr DBname [unknown] 192.168.xxx.x 2015-02-05 15:38:51.765 CST 51208 54d315b6.c808 8 0]DETAIL: The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory. [DBusesr DBname [unknown] 192.168.xxx.x 2015-02-05 15:38:51.765 CST 51208 54d315b6.c808 9 0]HINT: In a moment you should be able to reconnect to the database and repeat your command. The salve was running, but stopped suddenly , and I never start it ! Please tell me why and how to avoid it? If you need some more detailed information, please tell me and I'll give it to you. Thanks Best Regards!