Bron Gondwana wrote:
> Partha:
> * Ran a bunch of YCSB benchmarks, but looked at LevelDB's benchmarks instead.
If you're using LevelDB's benchmark tool, you might find this easier to use
instead:
https://github.com/lmdb/dbbench
> - compare to what they run against leveldb, kyoto, redis, etc.
Bron Gondwana wrote:
> Hi All,
>
> We were debugging the CPU usage in a ctl_conversationsdb rebuild yesterday,
> and noticed an interesting thing. 70% of the CPU utilisation for this one
> process
> was inside the kernel! Mostly with dirty pages.
>
> ctl_conversationsdb -R is particularly hea
Bron Gondwana wrote:
> On Thu, Nov 7, 2019, at 15:46, Anatoli via Cyrus-devel wrote:
>> Bron,
>>
>> Thanks for your detailed reply and the work the FM team is doing!
>>
>> > This is not easy unfortunately with all the different datastructures,
>> > because it means that everything else which takes
Bron Gondwana via Cyrus-devel wrote:
So I wrote a backend for this thing:
http://sophia.systems/
Sorry you wasted your time. Even if you got that thing to "behave" as you
intended, it would have crashed on you anyway.
https://github.com/pmwkaa/sophia/issues/54
https://github.com/pmwkaa/soph
Howard Chu wrote:
Bron Gondwana via Cyrus-devel wrote:
So I wrote a backend for this thing:
http://sophia.systems/
Sorry you wasted your time. Even if you got that thing to "behave" as you
intended, it would have crashed on you anyway.
https://github.com/pmwkaa/sophia/issues/54
https://githu
Bron Gondwana wrote:
On Sun, Jun 19, 2016, at 07:49, Howard Chu wrote:
Bron Gondwana via Cyrus-devel wrote:
So I wrote a backend for this thing:
http://sophia.systems/
Sorry you wasted your time. Even if you got that thing to "behave" as you
intended, it would have crashed on you anyway.
ht
Bron Gondwana wrote:
On Sun, Jun 19, 2016, at 08:16, Howard Chu wrote:
Not quite sure I understand your use case. It sounds like you'll maintain a
local store, with recent records, and a remote store with older records. Is
that correct?
For the database I'd keep everything local, but I want to
Howard Chu via Cyrus-devel wrote:
Bron Gondwana wrote:
A good example of what I want is the way that the xapianactive file works in
Cyrus
search at FastMail:
https://blog.fastmail.com/2014/12/01/email-search-system/
Because only the most recent database is writable (in this case on tmpfs
Thomas Jarosch via Cyrus-devel wrote:
On Sunday, 19. June 2016 07:55:55 Bron Gondwana via Cyrus-devel wrote:
I've also been looking at Rocks DB. Unfortunately their C wrapper (it's
C++) doesn't seem to include the transaction support, so I'll have to
either extend it or write my own.
One major
Bron Gondwana via Cyrus-devel wrote:
I'm going to try to build an LMDB backend. I do have some questions for
Howard about how best to do it... :) The CyrusDB abstraction layer allows
opening multiple databases by filename. Should we be opening one environment
per file, or just a single environm
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