Re: [GENERAL] Replication: GZIP compression in WAL sender/receiver processes communication?

2013-12-18 Thread Rahila Syed
Hello, Yes gzip compression can be used for compressing WAL traffic during streaming replication Following tools can be used in this regard. SSL compression-SSL support is built in PostgreSQL. You need to ensure you have OpenSSL library support in your PostgreSQL installation. Also, you can compr

Re: [GENERAL] Replication: GZIP compression in WAL sender/receiver processes communication?

2013-12-17 Thread Rahila Syed
Hello, Yes, gzip compression can be used for compressing WAL traffic during streaming replication Following tools can be used in this regard. SSL compression-SSL support is built in PostgreSQL. You need to ensure you have OpenSSL library support in your PostgreSQL installation. Also, you can comp

[GENERAL] Increasing CPU usage of PostgreSQL

2013-10-29 Thread Rahila Syed
for your suggestion. -Rahila On Fri, Oct 25, 2013 at 10:34 PM, Scott Marlowe wrote: > On Fri, Oct 25, 2013 at 8:29 AM, Rahila Syed wrote: >> Hello All, >> >> I am using jdbcrunner-1.2 to run PostgreSQL performance tests. For >> certain tests, i need to increase the CP

[GENERAL] Increasing CPU usage of PostgreSQL

2013-10-29 Thread Rahila Syed
anks a lot for your suggestion. Using select only queries helped me lower % CPU time spent on IO. Also , increasing number of threads helped loading CPU around 87 to 90 %. -Rahila On Sat, Oct 26, 2013 at 7:53 PM, Tomas Vondra wrote: > On 25.10.2013 19:04, Scott Marlowe wrote: >> On Fr

[GENERAL] Increasing CPU usage of PostgreSQL

2013-10-25 Thread Rahila Syed
Hello All, I am using jdbcrunner-1.2 to run PostgreSQL performance tests. For certain tests, i need to increase the CPU usage of the servers especially at user level. I tried using both tpcc and tpcb load with scale factor of 100. Even after setting the number of client connections as high as 420,

Re: [GENERAL] SQL for multimedia retrieval

2013-07-28 Thread Rahila Syed
Hello, Yes. Multimedia data can be stored in PostgreSQL database using either bytea and BLOB types. Depending on size either can be used. BLOB is meant for storing large data. Various interfaces are provided to access such data. Following link can be referred for that. http://www.postgresql.org/d