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<p class="MsoNormal">Hello PGPOOL Admins,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I have a problem with the configuration the database with connection pool pgpool II Version 3.3.4 and PostgreSQL 9.1 on the SUSE Enterprice Linux Server. I configure the pgpool.conf as follow:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">num_init_children = 500<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">max_pool = 4<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">and the configurations of postgresql are:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">max_connections = 4000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">shared_buffers = 1024MB<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">work_mem = 3MB #[1MB] # min 64kB<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">maintenance_work_mem = 256MB #[16MB] # min 1MB<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">max_stack_depth = 3MB #[2MB]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">checkpoint_segments = 16 #[3] # in logfile segments, min 1, 16MB each<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">checkpoint_timeout = 5min # range 30s-1h<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">checkpoint_completion_target = 0.9 #<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">max_wal_senders = 2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">effective_cache_size = 1024MB<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">log_autovacuum_min_duration = 60s<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">log_temp_files = 10MB<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">log_lock_waits = off # log lock waits >= deadlock_timeout<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">log_statement = 'all'<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">die configuration in the file “sysctl.conf” are:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># Disable response to broadcasts.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># You don't want yourself becoming a Smurf amplifier.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">net.ipv4.icmp_echo_ignore_broadcasts = 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># enable route verification on all interfaces<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">net.ipv4.conf.all.rp_filter = 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># enable ipV6 forwarding<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">#net.ipv6.conf.all.forwarding = 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># increase the number of possible inotify(7) watches<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">fs.inotify.max_user_watches = 65536<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"># avoid deleting secondary IPs on deleting the primary IP<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">net.ipv4.conf.default.promote_secondaries = 1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">net.ipv4.conf.all.promote_secondaries = 1<o:p></o:p></span></p>
<p class="MsoNormal">kernel.shmmax=2147483648<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">vm.overcommit_memory=2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">vm.overcommit_ratio=60<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">my problem the cached of the PostgreSQL-DB Server increasing with the time till swap start it. Then comes Out of memory and no connection more from connections pool.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Any help will be gratefull<o:p></o:p></span></p>
<p class="MsoNormal">Regards<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Muthana<span style="mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE"> <o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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