On 11/28/14 18:29, James Starkey wrote: > Has anyone done any performance studies on zlib? Decompression is OK, but > compression is very, very CPU intensive. I did a study a while back to > investigate using zlib for blobs. The short answer is that it was much, > much faster to read the extra pages than pay for zlib compression and > decompression.
What pages? That's about _wire_ compression, not database. It's turned off by default, and it's supposed that reasonable people use it only for WAN connections where reducing size (and specially number) of packages is expected to lead to better performance. ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
