Re: write-scaling problems in LMDB

[Luke Kenneth Casson Leighton <lkcl@lkcl.net>]

On Mon, Oct 20, 2014 at 3:47 PM, Howard Chu <hyc@symas.com> wrote:


>>   ok... what's the number of writes being carried out in each
>> transaction?  the original scenario in which i saw the issue was when
>> there was one (!!).  the design at the time was not optimised for
>> batches of reads followed by batches of writes.
>
>
> This is 1 write per txn.

 already? oh ok so that's hammering the machine rather a lot, then :)

 ok let me do some exploring this end, see if i can come up with
something that replicates the dreadful performance.

l.