Re: [HACKERS] Modifying TOAST_TUPLE_THRESHOLD and TOAST_TUPLE_TARGET?

2009-06-12 Thread Shadar
> 2. How can I disable TOAST? Only by changing TOAST_TUPLE_THRESHOLD > and TOAST_TUPLE_TARGET in the include file and compiling a private > version? >> There have been several suggestions already. Yes, but other have commented that these (e.g. dropping TOAST table) might not work and even lose

Re: [HACKERS] Modifying TOAST_TUPLE_THRESHOLD and TOAST_TUPLE_TARGET?

2009-06-12 Thread Shadar
Guys, I appreciate your intentions to treat this more flexibly in a future release. But I'm not sure I got a reply to my original questions, about the existing 8.3 version: 1. Am I correct in assuming that in my case the TOAST mechanism probably results in a performance hit, not boost, and is th

Re: [HACKERS] Modifying TOAST_TUPLE_THRESHOLD and TOAST_TUPLE_TARGET?

2009-06-11 Thread Shadar
Greg Stark-5 wrote: > > On Thu, Jun 11, 2009 at 3:32 PM, Shadar wrote: >> >> I notice that one of my tables gets TOASTed, about 40% of it. I read >> about >> TOAST and understand the general motivation (get faster access to the >> *other* columns). But in

[HACKERS] Modifying TOAST_TUPLE_THRESHOLD and TOAST_TUPLE_TARGET?

2009-06-11 Thread Shadar
I notice that one of my tables gets TOASTed, about 40% of it. I read about TOAST and understand the general motivation (get faster access to the *other* columns). But in my case the big column (~2.5KB fixed width) is a list (array) of values (not text) and the usage pattern is that I always access