Ayende @ Rahien

Ayende @ Rahien

Oren Eini aka Ayende Rahien CEO of Hibernating Rhinos LTD, which develops RavenDB, a NoSQL Open Source Document Database.

Get in touch with me:

oren@ravendb.net

+972 52-548-6969

Posts: 7,339 | Comments: 50,704

Copyright ©️ Ayende Rahien 2004 — 2022

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Couchbase vs RavenDB Performance at Rakuten Kobo Whitepaper
  previous post next post  
Oct 07 2014

Working on Voron…

time to read 1 min | 53 words

This took a bit less than what I expected, but…

image

And yes, it works. And this is running on Ubuntu.

And no, it isn’t ready.

Tweet Share Share 5 comments
Tags:
  • raven

  previous post next post  

Comments

e-tobi
17 Sep 2014
21:08 PM
e-tobi

Just gave it a try - Voron.Tryout indeed works, but the unit tests end in a segfault or a deadlock - I'll take a look at this if I find some time over the weekend.

Ayende Rahien
18 Sep 2014
05:19 AM
Ayende Rahien

e-tobi, Yes, there seems to be something that we missed there.

J Healy
07 Oct 2014
13:33 PM
J Healy

Now you're talking. Been waiting for this port.

As an aside, have you had a chance to look at Aerospike? Worth a peek at what they're up to...

dhasenan
07 Oct 2014
16:15 PM
dhasenan

I'm feeling uncomfortably excited. I've wanted to use RavenDB on personal projects, but I use Linux almost exclusively.

@J Healy: Aerospike says it's an in-memory database that can handle 100TB of data on just a few servers. The biggest server I can get has 256GB of RAM. Just storing the raw data would take 400 of them. Indexing it would take more. They're almost certainly lying about it being an in-memory database. I'd guess they have some good caching algorithms and efficient point queries but are ultimately serving out of durable storage.

J Healy
21 Oct 2014
13:56 PM
J Healy

Clearly once they get over the memory capacity of a box they go hybrid...

"You can run Aerospike in pure RAM with spinning disks for persistence or as a hybrid memory database with RAM and flash.

  • Indexes (primary and secondary) are always stored in DRAM for fast access and are never stored on Solid State Drives (SSDs) to ensure low wear.

  • Unlike other databases that use the linux file system that was built for rotational drives, Aerospike has implemented a log structured file system to access flash – raw blocks on SSDs – directly. Access is optimized for how flash works – with small block reads and large block writes – and parallelized across multiple SSDs for better throughput.

  • Per namespace storage configuration – each namespace can be configured to store data on DRAM or on SSDs."

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