"Tom Lane" <[EMAIL PROTECTED]> writes:
> "Jignesh K. Shah" <[EMAIL PROTECTED]> writes:
>> CLOG data is
>> not cached in any PostgreSQL shared memory segments
>
> The above statement is utterly false, so your trace seems to indicate
> something broken. Are you sure these were the only reads of pg
"Jignesh K. Shah" <[EMAIL PROTECTED]> writes:
> CLOG data is not cached in any PostgreSQL shared memory segments and hence
> becomes the bottleneck as it has to constantly go to the filesystem to get
> the read data.
This is the same bottleneck you discussed earlier. CLOG reads are cached in
the
"Jignesh K. Shah" <[EMAIL PROTECTED]> writes:
> CLOG data is
> not cached in any PostgreSQL shared memory segments
The above statement is utterly false, so your trace seems to indicate
something broken. Are you sure these were the only reads of pg_clog
files? Can you extend the tracing to deter