Help with connections

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Guys i need some help.

Initially the connections to the database were 3 as seen using
netstat -a -n | grep "ESTAB" | grep <ip>
and ps -ef | grep postgres

After some time the connections suddenly incresed to 53 using the
above commands.

if i do 
/usr/local/pgsql/bin/psql -d <database>  -c "select
c.relname,d.datname,transaction,pid,mode,granted from pg_locks
l,pg_class c,pg_database d where l.relation=c.oid and
l.database=d.oid";

i get only 
      relname       |    datname     | transaction |  pid  |      mode
      | granted
--------------------+----------------+-------------+-------+-----------------+---------
 pg_class           | rpt_production |             | 25903 | AccessShareLock | t
 pg_locks           | rpt_production |             | 25903 | AccessShareLock | t
 pg_class_oid_index | rpt_production |             | 25903 | AccessShareLock | t

That means there were no tables accessed at this particular time. But
why is the connections to database showing 53 ?.

The Applicatoin is closing the connections. After about 30 -40 secs
the connections drop to 4 or 5 agian.

Please advice the max number of conenctions are 100 in the conf file
.. how about increasing to 200 ?.

-- 
Best,
Gourish Singbal


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