Having a physical location encoded in the UUID *increases* the chance of a
collision, because it means fewer random bits. There definitely will be more
than one UUID created in the same clock unit on the same machine! The same
bits that you use to encode your few servers can be used for over 100
Secondary reason is probably the ordering, and desire to stay
standards compliant.
My UUIDs are standards-compliant. They are of type 4. The type is encoded in
the format: --4xxx-8xxx-
.
On Wed, Jun 23, 2010 at 9:54 AM, David Boxenhorn da...@lookin2.com wrote:
Having
Tatu, I did read your comments - and I appreciate them very much!
I want someone to argue with me (using good arguments) since what I'm doing
*does* seem weird to me - because no one else is doing it.
What I mean by readable is that the sort order of my UUIDs are obvious to
humans.
What I mean
On Tue, Jun 22, 2010 at 20:16, Arya Goudarzi agouda...@gaiaonline.com wrote:
Hi,
Please confirm if this is an issue and should be reported or I am doing
something wrong. I could not find anything relevant on JIRA:
Playing with 0.7 nightly (today's build), I setup a 3 node cluster this way:
On Tue, 2010-06-22 at 17:47 -0400, James Golick wrote:
It's also flushing memtables really quickly for a particular CF. Like,
really quickly. Like, one every minute. I increased the thresholds by
10x and it's still going fast.
What is MemtableFlushAfterMinutes set to?
--
Eric Evans
Hi,
I've currently setup a cluster of 11 nodes. When running a small application
that uses Hector to read and write keys, and restarting one of the nodes (not
the one the application is connected to), the application stalls, times out and
reconnects. This takes roughly 10 seconds. When the
I've switched to Pelops recently, no problems with it for now, code
become a little more compact.
The python cassandra_browser is not in the contrib directory if I clone from
git, but it is present if I checkout with svn. Is there typically a lag
between svn trunk and git? Or is this intentional because
the cassandra_browser is not going to be included going forward?
Thanks
Eben
--
In
As the developer of hector I can only speak in favor of my child of love and
I haven't tried pelops so take the following with a grain of salt...
Hector sees wide adoption and has been coined the de-facto java client. It's
been in use in production critical systems since version 0.5.0 by a few
Are you seeing any sort of log messages from Cassandra at all?
On Wed, Jun 23, 2010 at 2:26 PM, Sean Bridges sean.brid...@gmail.com wrote:
We were running a load test against a single 0.6.2 cassandra node. 24
hours into the test, Cassandra appeared to be nearly frozen for 10
minutes. Our
Hi all,
I have been researching the samples with some success but its taken a while.
I am very keen on Cassandra and love the work thats been done, well done
everyone involved.
I would like to get as many of the samples I can get organized into
something that makes it easier to kick of with for
I see about 3000 lines of,
INFO [COMMIT-LOG-WRITER] 2010-06-23 16:40:29,107 CommitLog.java (line
412) Discarding obsolete commit
log:CommitLogSegment(/data1/cass/commitlog/CommitLog-1277302220723.log)
Then, http://pastebin.com/YQA0mpRG
It's around 16:50 that cassandra writes stop timing out.
Any thoughts?
On Tue, Jun 22, 2010 at 2:13 PM, S Ahmed sahmed1...@gmail.com wrote:
Converting a Forum application to cassandra's data model.
Tables:
Posts [postID, threadID, userID, subject, body, created, lastmodified]
So this table contains the actual question subject and body.
When a
Agreed, but at what cost?
It's my understanding that the big deterrent is the lack of 3rd party
dependencies in maven public repos (e.g. Thrift itself).
The option would be to publish a public maven repo containing all dependencies,
which ends up being more responsibility then the client
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