Howard Chu wrote:
> There should be an off64_t type instead.
> But it looks to me like only the env->me_size field could ever overflow,
> and using size_t for that should be fine. The other uses are for the meta
> page, which is always either offset 0 or
> offset 4096 (with 4KB pagesize), and
as.com;>Howard ChuSent: February =
18, 2020 8:15 AMTo: mailto:kris...@gmail.com;>Kris Zy=
pCc: mailto:openldap-its@openldap.org;>openldap-i=
t...@openldap.orgSubject: Re: (ITS#9017) Improving performance=
of commit sync in Windows<=
/p>Kris Zyp wrote: Yes, I=
will work on upgrading
Kris Zyp wrote:
> Yes, I will work on upgrading this patch to 1.0.
>=20
> However, I believe in order to realize optimal Windows performance with=
out regression/slow-downs, I will also need to disable the use of NTDLL (=
and use direct
> CreateFileMapping memory maps instead), as mentioned=C2=A0
--ce7c35059edab753
Content-Type: text/plain; charset="UTF-8"
Yes, I will work on upgrading this patch to 1.0.
However, I believe in order to realize optimal Windows performance without
regression/slow-downs, I will also need to disable the use of NTDLL (and
use direct
h...@symas.com wrote:
> Kris Zyp wrote:
>> Sorry to keep pestering, but just pinging about this patch again, as I still
>> think this fix could benefit windows users. And at this point, I think I can
>> say we
>> have tested it pretty well, running on our servers for almost a year :).
>
> Looks
Kris Zyp wrote:
> Sorry to keep pestering, but just pinging about this patch again, as I still
> think this fix could benefit windows users. And at this point, I think I can
> say we
> have tested it pretty well, running on our servers for almost a year :).
Looks like this patch is against the
;>
>>> Thanks,
>>> Kris
>>>
>>>
>>>
>>> *From: *Kris Zyp
>>> *Sent: *April 30, 2019 12:43 PM
>>> *To: *Howard Chu ; openldap-its@OpenLDAP.org
>>> *Subject: *RE: (ITS#9017) Improving performance of commit sync in
back into the range of "lightning"
>> performance :).
>>
>>
>>
>> What is the performance difference between your patch using writemap, an=
d
>> just
>>
>> not using writemap in the first place?
>>
>>
>>
>> --
>>
&g
> *Sent: *April 30, 2019 12:43 PM
> *To: *Howard Chu ; openldap-its@OpenLDAP.org
> *Subject: *RE: (ITS#9017) Improving performance of commit sync in Windows
>
>
>
> > What is the point of using writemap mode if you still need to use
> WriteFile
>
> > on every i
m; openldap-its@OpenLDAP.org
Subject: Re: (ITS#9017) Improving performance of commit sync in Windows
kris...@gmail.com wrote:
> Full_Name: Kristopher William Zyp
> Version: LMDB 0.9.23
> OS: Windows
> URL: https://github.com/kriszyp/node-lmdb/commit/7ff525ae57684a163d32af74=
a0ab9332b7fc4ce9
view!=20
Thanks,
Kris
From: Howard Chu
Sent: April 30, 2019 7:12 AM
To: kris...@gmail.com; openldap-its@OpenLDAP.org
Subject: Re: (ITS#9017) Improving performance of commit sync in Windows
kris...@gmail.com wrote:
> Full_Name: Kristopher William Zyp
> Version: LMDB 0.9.23
> OS: Windows
> U
kris...@gmail.com wrote:
> Full_Name: Kristopher William Zyp
> Version: LMDB 0.9.23
> OS: Windows
> URL:
> https://github.com/kriszyp/node-lmdb/commit/7ff525ae57684a163d32af74a0ab9332b7fc4ce9
> Submission from: (NULL) (71.199.6.148)
>
>
> We have seen very poor performance on the sync of
Full_Name: Kristopher William Zyp
Version: LMDB 0.9.23
OS: Windows
URL:
https://github.com/kriszyp/node-lmdb/commit/7ff525ae57684a163d32af74a0ab9332b7fc4ce9
Submission from: (NULL) (71.199.6.148)
We have seen very poor performance on the sync of commits on large databases in
Windows. On
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