On Tue, Apr 2, 2019 at 11:09 PM Thomas Munro <thomas.munro@gmail.com> wrote:
> I'm going to do some more testing and tidying tomorrow (for example I
> think the segment.h header is silly and I'd like to remove that), and
> commit this.
As a sanity check on the programming interface this thing gives you, I
tried teaching the SLRUs to use the fsync queue. I finished up making
a few small improvements, but the main thing I learned is that
"handler" needs to be part of the hash table key. I suppose the
discriminator could even be inside FileTag itself, but I chose to keep
it separate and introduce a new struct to hold hander enum + FileTag
in the hash table.
The 0001 patch is what I'm going to commit soon. I don't know why
Shawn measured a performance change -- a bug in an earlier version? --
I can't see it, but I'm planning to look into that a bit more first.
I've attached the 0002 SLRU patch for interest, but I'm not planning
to commit that one.
--
Thomas Munro
https://enterprisedb.com