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hi,
i had made necessary change in the postgresql.conf for enabling WAL. How can
i know that WAL is working?
The configurations done in the postgresql.conf file is as below: 
#---------------------------------------------------------------------------
# WRITE AHEAD LOG
#---------------------------------------------------------------------------

# - Settings -

fsync = true			# turns forced synchronization on or off
wal_sync_method = fsync	# the default varies across platforms:
				# fsync, fdatasync, fsync_writethrough,
				# open_sync, open_datasync
wal_buffers = 8		# min 4, 8KB each
commit_delay = 0		# range 0-100000, in microseconds
commit_siblings = 5		# range 1-1000

# - Checkpoints -

checkpoint_segments = 3	# in logfile segments, min 1, 16MB each
checkpoint_timeout = 300	# range 30-3600, in seconds
checkpoint_warning = 30	# 0 is off, in seconds

# - Archiving -

archive_command = 'cp -i %p /testpg/server/archivedir/%f </dev/null'


your response will be highly appreciated.

thanks





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