I've been asked to change the download url to
http://people.apache.org/%7Ejbellis/cassandra/cassandra-0.3-rc.tgz to
avoid incorrectly implying that this is An Official Release which it
is not.
-Jonathan
That's the price you pay for (a) eventual consistency in general and
(b) doing read repair in the background specifically. Cassandra also
has functionality (called strong read) to do a quorum read in the
foreground and repair if necessary but that is not exposed in Thrift
yet -- but even with
On Wed, May 27, 2009 at 6:39 PM, Alexandre Linares lina...@ymail.com wrote:
So it actually doesn't look blocked, but it's crawling. Of course, in
Hadoop, it always timed out (10 mins), before I could tell that it was
crawling (I think)
So, back to the original hypothesis: you need to increase
We're basically in a roll-your-own benchmark state. Johan can
probably give some pointers:
http://blog.oskarsson.nu/2009/05/vpork.html. Also see the how fast
is it section here:
http://spyced.blogspot.com/2009/05/cassandra-03-release-candidate-and.html
-Jonathan
On Wed, Jun 3, 2009 at 3:06 AM,
and the write path will never hit disk.
On Wed, Jun 3, 2009 at 5:48 PM, Jonathan Ellis jbel...@gmail.com wrote:
Cassandra is not designed to work memory-only. It's designed designed
to use disk for durability and to accommodate using large sets of
data, letting the OS use memory as a huge cache
On Thu, Jun 4, 2009 at 10:01 AM, Thorsten von Eicken t...@rightscale.com
wrote:
Ah, got it, I forgot about the time-sorted CFs. So does this mean that if I
call get_columns_since on a name-sorted CF I will get an invalid request
exception? And also if I call get_slice_by_name_range or
you'll need to
(a) make sure you have the latest trunk
(b) wipe your data, commitlog, and system directories, since adding
new tables or columnfamilies non-destructively is not yet supported
(see https://issues.apache.org/jira/browse/CASSANDRA-44)
-Jonathan
On Tue, Jun 23, 2009 at 8:55 AM,
cassandra
Thanks a lot
On Thu, Jul 9, 2009 at 10:27 AM, Jonathan Ellis jbel...@gmail.com wrote:
what version are you trying to run? on what platform?
On Thu, Jul 9, 2009 at 12:04 PM, mobiledream...@gmail.com wrote:
I did set it up as the readme file instructed but i encountered this
error
Have you read this?
http://blog.evanweaver.com/articles/2009/07/06/up-and-running-with-cassandra/
On Fri, Jul 10, 2009 at 4:43 PM, mobiledream...@gmail.com wrote:
Hey guys
how do we answer queries of type - give me the top 10 messages
or top 10 users and so on
thanks
Example: SuperColumns
Cassandra is replaying the transaction log and preloading SSTable
indexes. This is normal.
On Mon, Jul 13, 2009 at 8:10 AM, rkmr...@gmail.comrkmr...@gmail.com wrote:
when i stop cassandra and start it again, this is what is printed. it takes
just a couple of seconds for this to run.
and after
programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost localhost
::1 localhost6.localdomain6 localhost6
On Fri, Jul 17, 2009 at 6:09 AM, Jonathan Ellis jbel...@gmail.com wrote:
Please don't repeat your question separately on -user, -dev, and irc
thought Hinted handoff will take care of this Right? Write will never fail
insted it will write to another node right?
correct me if i am wrong.
Thanks and Regards,
/VJ
On Tue, Jul 14, 2009 at 7:26 AM, Jonathan Ellis jbel...@gmail.com wrote:
N: guarantees consistent reads without having
availability.)
-Jonathan
During query it will fail if i only have block for to be 3?
Regards,
/VJ
On Fri, Jul 17, 2009 at 1:36 PM, Jonathan Ellis jbel...@gmail.com wrote:
ck_for to zero, then writes will indeed never fail
(unless the node the client is ta
That should be partially solved in trunk now that 139 is committed,
and more solved when we commit 185 soon.
On Sun, Jul 19, 2009 at 3:43 AM, mobiledream...@gmail.com wrote:
Any utf-8 keyword causes cassandra to crash!
iterate through the keys with get_key_range, and delete the row
associated with each key
On Sun, Jul 19, 2009 at 3:51 AM, mobiledream...@gmail.com wrote:
In Super-column family Super1 there is a column family Related
How do i delete the entire related column family
thanks
, Jonathan Ellis jbel...@gmail.com wrote:
I would guess because kw != 'tofu'
On Sun, Jul 19, 2009 at 12:24 AM, mobiledream...@gmail.com wrote:
Why doesnt res return ColumnFamily Related whereas res2 works just fine
thanks?
timestamp = time.time()
res = client.get_slice_super('Table1', kw
Don't run trunk if you're not going to read svn log.
The api changed with the commit of the 139 patches (and it will change
again with the 185 ones).
look at interface/cassandra.thrift to see what arguments are expected.
On Sun, Jul 19, 2009 at 3:31 PM, mobiledream...@gmail.com wrote:
Hey
It works fine, it's just not the same as it was two weeks ago.
On Sun, Jul 19, 2009 at 3:36 PM, mobiledream...@gmail.com wrote:
ok
so which is the version where cassandra python thrift works out of the box
thanks
On 7/19/09, Jonathan Ellis jbel...@gmail.com wrote:
Don't run trunk if you're
Building the java interface is part of the build, but ant has no way
to guess which additional client interfaces you want to use, if any.
On Sun, Jul 19, 2009 at 6:46 PM, Ian Holsmani...@holsman.net wrote:
hi Gasol.
shouldn't regeneration of the interface be part of the build process?
On
Oops, I sent this to the old google -user list by mistake the first
time. Now that that's gone, I realized the error.
-- Forwarded message --
From: Jonathan Ellis jbel...@gmail.com
Date: Mon, Jul 20, 2009 at 10:10 PM
Subject: Re: thrift API changes
To: cassandra-u
did you read the new section in the config xml explaining how to use a
UTF8 comparator?
also: thrift itself is just plain broken for unicode support in some
languages; see THRIFT-395
I think the short version is that when you have a java server, unicode
will work with java or C# clients but not
you may also want to specify CompareSubcolumnsWith.
On Tue, Jul 21, 2009 at 4:27 PM, mobiledream...@gmail.com wrote:
thanks jonathan
trying this
ColumnFamily ColumnType=Super CompareWith=UTF8Type Name=Super1/
On Tue, Jul 21, 2009 at 2:24 PM, Jonathan Ellis jbel...@gmail.com wrote:
On Tue
clarify if this will guarantee proper python thrift utf8
behavior thanks
On Tue, Jul 21, 2009 at 2:29 PM, Jonathan Ellis jbel...@gmail.com wrote:
you may also want to specify CompareSubcolumnsWith.
On Tue, Jul 21, 2009 at 4:27 PM, mobiledream...@gmail.com wrote:
thanks jonathan
trying
because nodeprobe is in 0.4, not 0.3
On Fri, Jul 24, 2009 at 2:26 AM, 李楠qingnan...@gmail.com wrote:
i deploy in storage-conf.xml Seeds add Seed192.1.12.149/Seed
use bin/nodeprobe -host X ring where X is each machine in your cluster to
make sure all the nodes see each other
why do not i find
On Sat, Aug 1, 2009 at 9:04 AM, Ivan Changivan.ch...@medigy.com wrote:
Could someone points me to resources/examples how to use the config options
below:
1) Extending index at run time using the Index node
ColumnFamily name=foo
Index generator=some java class/
/ColumnFamily
Index
On Fri, Jul 31, 2009 at 5:42 PM, Colin Mollenhourco...@mollenhour.com wrote:
This reply keeps getting blocked as spam so I am just sending to you
directly..
Jonathan, thank you very much for the excellent response. If I may, a few
more questions (inline):
One caveat is that the subcolumns
On Mon, Aug 3, 2009 at 10:49 AM, Jun Raojun...@almaden.ibm.com wrote:
Ivan,
The original cassandra keeps multiple versions of the column data.
No, it didn't. (It had versioning-related bugs but multiple versions
a la Bigtable was never part of the design.)
-Jonathan
cassandra had free multiple versions and we needed to
manually delete the older versions
On Mon, Aug 3, 2009 at 8:56 AM, Jonathan Ellis jbel...@gmail.com wrote:
On Mon, Aug 3, 2009 at 10:49 AM, Jun Raojun...@almaden.ibm.com wrote:
Ivan,
The original cassandra keeps multiple versions
Strictly speaking, no; timestamp is client-provided.
But in the sense that you'd better use ntpd on your clients, yes.
On Mon, Aug 3, 2009 at 12:10 PM, Wilson Marwilson...@gmail.com wrote:
So if different servers are not synchronized in time (to a Tier 1 time
server), then updates from slower
On Mon, Aug 3, 2009 at 12:12 PM, Mark McBridemark.mcbr...@gmail.com wrote:
Thanks, that makes sense. Is it an ok general rule that the
timestamps should be set to
1) The time that the data to be mutated was generated
2) The current system time if the time the data was mutated isn't available
On Mon, Aug 3, 2009 at 3:39 PM, Ivan Changivan.ch...@medigy.com wrote:
Is this going to be an inherent limitation of Cassandra?
If someone writes a patch that adds multi-version support without
compromising single-version performance then I don't see any reasons
to turn it down.
-Jonathan
It should be fairly easy to port the Java example on
http://wiki.apache.org/cassandra/ClientExamples to C#.
-Jonathan
On Tue, Aug 4, 2009 at 2:55 PM, Robinson,
Michaelmichael.robins...@sage.com wrote:
Does anyone have or know of a C#/.NET port of the example Cassandra client
code? Since I’m
Hi guys,
We're trying to get the data format incompatibilities done with before
we put out a 0.4 beta. There's 3 coming up. In order of when they
are likely to be finished:
https://issues.apache.org/jira/browse/CASSANDRA-341 -- to fix bugs (today)
Re the index bugs: this is referring to column indexes, not key
indexes. (The former are kept in the SSTable; the latter are in a
separate file. Don't delete your -Index.db files. :)
And a correction: 341 is the only one that the compaction process will
fix, not 332 as well.
-Jonathan
On Tue,
The default OPP now does comparisons based strictly on byte order, and
is no longer collation aware. This is a better default choice for
those who don't need collation since it's much faster. If you do need
collation, the old partitioner is still available as CollatingOPP:
-
Stabilizing but not quite finished (329 and 311 are still waiting for
review). But the fundamentals are the same.
You have start/finish because that's what defines a range. You have
count because you often want the First N results.
-Jonathan
On Sat, Aug 8, 2009 at 8:33 AM, Jonas
a numeric offset since that can't be supported
efficiently with a log-structured merge disk format.
On Sat, Aug 8, 2009 at 8:57 AM, Jonas Bonérjo...@jonasboner.com wrote:
2009/8/8 Jonathan Ellis jbel...@gmail.com:
(either of start and finish may be empty)
Thanks for fast reply.
So count
Thanks for looking into it, though.
On Tue, Aug 11, 2009 at 10:59 AM, Mark McBridemark.mcbr...@gmail.com wrote:
My shot at hero status has been thwarted, due to a preexisting Jira
issue http://issues.apache.org/jira/browse/THRIFT-551
On Mon, Aug 10, 2009 at 5:49 PM, Mark
abandon the old design? how to
build 'one to many' relationship in a effective way with new api? what
data model should i use? thank?
2009/8/13 Jonathan Ellis jbel...@gmail.com
The easy way is to just show one page of results and have a Next
button that uses start=last one from current page
Thanks for taking a stab at this, Mark.
I'm not a fan of teaching this by showing CF-spanning rows. (The
bigtable paper does this IIRC but it's wrong. :)
You can have data in different CFs with the same key, yes, but all
that means is they will be stored on the same nodes. Each CF is
stored
What happened about 20h in to make the latency drop so dramatically?
On Mon, Aug 17, 2009 at 12:14 PM, Huming Wuhuming...@gmail.com wrote:
I did some performance test and I am not impressed :). The data set is
880K unique keys and there are 4 columns with 2 columns being string
and the other 2
2009/8/19 Teodor Sigaev teo...@sigaev.ru:
It produces following error messages
$VAR1 = 'Can\'t use string (0) as a SCALAR ref while strict refs in use
at /usr/lib/perl5/site_perl/5.8.8/Thrift/BinaryProtocol.pm line 376.'
If it's objecting to the 0 in reversed=0, it sounds like a perl
specific
2009/8/19 Teodor Sigaev teo...@sigaev.ru:
If it's objecting to the 0 in reversed=0, it sounds like a perl
specific problem -- why would it be turning that into a string?
It seems to me that it isn't connected to reversed. I changed to 1 and
nothing was changed.
Dunno, then. Bug in the
2009/8/19 Teodor Sigaev teo...@sigaev.ru:
Dunno, then. Bug in the generated perl code? Wouldn't be the first time.
Interesting, if column_names is added with known status ids then Cassandra
returns them although it doesn't take into account reversed and count
options.
it's not supposed to.
sounds like you are exhausting the memory on that instance and it is
going into GC swap trying to free enough to continue. this is very
easy to do on 0.3 -- try upgrading to the 0.4 beta if you are using
0.3.
On Tue, Aug 18, 2009 at 3:36 PM, Brian Frank
Coopercoop...@yahoo-inc.com wrote:
Hi
Is this 0.3 or 0.4/trunk?
On Wed, Aug 19, 2009 at 2:36 PM, Phillip
Michalakphil.micha...@digitalreasoning.com wrote:
I'm running three Cassandra nodes in virtual machines.
During a 'get' operation from Cassandra-remote directed at one of these
nodes, I'm receiving the following output
Looks like a bug in TcpConnectionManager. Can you file a ticket?
thanks,
-Jonathan
On Wed, Aug 19, 2009 at 2:49 PM, Phillip
Michalakphil.micha...@digitalreasoning.com wrote:
It's cassandra-0.4-beta1.
Thanks!
Phil
On Aug 19, 2009, at 4:43 PM, Jonathan Ellis wrote:
Is this 0.3 or 0.4
be careful when profiling blocking io -- I bet that means that I'm
spending all my time blocking for more data to read since there is
only one call per second.
the internal Cassandra MessagingService uses nonblocking io, but the
Thrift stuff is just your standard thread pool with blocking
The malformed input bug was fixed after beta1 and should be in a
nightly build by now. (I introduced a regression where it couldn't
handle the last entry in the commitlog being incomplete. So upgrading
should be able to restart on the existing commitlogs.)
The OOM puzzles me a little; I'm not
: Jonathan Ellis [jbel...@gmail.com]
Sent: Wednesday, August 19, 2009 7:46 PM
To: cassandra-user@incubator.apache.org
Subject: Re: Server cannot startup after shutdown
The malformed input bug was fixed after beta1 and should be in a
nightly build by now. (I introduced a regression where it couldn't
if your product is jvm based, just use the internal api and don't
stzrt the thrift listeners at all.
On 8/21/09, Mark McBride mark.mcbr...@gmail.com wrote:
I'm looking at the potential of embedding Cassandra in one of our
products. This ships as one or more virtual appliances that runs at a
lazyboy works vs an earlier version of trunk, so it's already
incompatible with 0.3, but not yet compatible w/ latest 0.4 :)
On Mon, Aug 24, 2009 at 12:28 PM, Bruno Coutobco...@gmail.com wrote:
Jonathan,
First, thanks for answering so fast.
I´m using version 0.3-final of Cassandra, then I
That's probably the best option at the moment. Once you're familiar
with the thrift API I'm sure the lazyboy devs would welcome updates
too.
-Jonathan
On Mon, Aug 24, 2009 at 1:54 PM, Bruno Coutobco...@gmail.com wrote:
Thanks for helpping me Jonathan!
Well, now I know that I can´t use the
On Tue, Aug 25, 2009 at 7:07 PM, Scott Chaconscha...@gmail.com wrote:
We're playing with Cassandra and would like to get a test cluster
setup for evaluation. I've been playing with it on my laptop and EC2,
which are the resources easily available to me, but not that close to
what I would be
On Wed, Aug 19, 2009 at 9:46 PM, Jonathan Ellisjbel...@gmail.com wrote:
The OOM puzzles me a little; I'm not sure how it could be unable to
replay a mutation that it was able to write to the commitlog in the
first place.
Ah, I think I know: if a compaction starts during recovery, that could
On Wed, Aug 26, 2009 at 12:26 PM, Brian Frank
Coopercoop...@yahoo-inc.com wrote:
Is the commitlog small enough that you can gzip it and attach to JIRA
(10 MB limit)?
/var/cassandra/commitlog has 215 files totaling about 28 GB. Most are 134 MB,
the last one is 6MB. Which one would be useful
I thought about that, but I really don't want Cassandra committers to
have to be in the business of updating them all when we make changes,
and having them in the repo creates that expectation even in contrib.
On Wed, Aug 26, 2009 at 6:57 PM, Ian Holsmani...@holsman.net wrote:
would it be
or svn:link to pull them in from their
own repos?
(not sure how legal it would be).
On Aug 27, 2009, at 10:03 AM, Jonathan Ellis wrote:
I thought about that, but I really don't want Cassandra committers to
have to be in the business of updating them all when we make changes,
and having them
...@holsman.net wrote:
isn't there a way to use svn:external or svn:link to pull them in from their
own repos?
(not sure how legal it would be).
On Aug 27, 2009, at 10:03 AM, Jonathan Ellis wrote:
I thought about that, but I really don't want Cassandra committers to
have to be in the business
We don't currently have any optimizations to provide lightweight
session consistency (see #132), but if you do quorum reads + quorum
writes then you are guaranteed to read the most recent write which
should be fine for most apps.
On Tue, Sep 15, 2009 at 5:30 AM, Eric Bowman ebow...@boboco.ie
On Fri, Sep 18, 2009 at 9:09 PM, Jonathan Mischo jmis...@quagility.com wrote:
• Multiple data center replication in the background. maybe a
multi master type thing
It already has this. It was built from the ground up for this. It's highly
tolerant to partitioning and has always
Could you mention this on http://wiki.apache.org/cassandra/RunningCassandra ?
On Sun, Sep 20, 2009 at 10:46 PM, Anthony Molinaro
antho...@alumni.caltech.edu wrote:
One other gotcha I've come across trying to use jmx was on machines with
multiple interfaces. The rmi server doesn't always bind
It's impossible to say given what you have told us.
Step zero in benchmarking cassandra is turning the log level to INFO.
Step one is testing on a machine where you can put the commitlog
directory on its own disk.
It's true that frequently cassandra will be slower than custom code
writing to
.
-Jonathan
On Fri, Sep 25, 2009 at 10:41 AM, Kirill A. Korinskiy
catap+cassan...@catap.ru wrote:
At Fri, 25 Sep 2009 10:32:55 -0500,
Jonathan Ellis jbel...@gmail.com wrote:
Step zero in benchmarking cassandra is turning the log level to
INFO.
sure, i'm switching off all log messages
Step
This is fixed on the 0.4 branch (but not in trunk, yet)
On Fri, Sep 25, 2009 at 1:57 PM, Jonathan Ellis jbel...@gmail.com wrote:
https://issues.apache.org/jira/browse/CASSANDRA-455 will address
FlushPeriod not working.
On Fri, Sep 25, 2009 at 1:33 PM, Igor Katkov ikat...@gmail.com wrote:
I
No, you're mixing two related concepts.
When you do a quorum read it will fetch the actual data from one
replica and do digest reads from the others. If the data from the one
does not match the hash from the others, then you have the
digestmismatchexception Edmond is seeing and read repair is
On Fri, Sep 25, 2009 at 11:55 PM, Igor Katkov ikat...@gmail.com wrote:
I checked out and built 0.4 branch. It's all the same, files stays.
If you turn on debug logging, does it show sstable flushing?
-Jonathan
response time is also growing.
I assume this is because Cassandra now has to read through some these
files on reach read/write request
On Fri, Sep 25, 2009 at 4:53 PM, Jonathan Ellis jbel...@gmail.com wrote:
This is fixed on the 0.4 branch (but not in trunk, yet)
On Fri, Sep 25, 2009 at 1:57
commit log
c:/cassandra-4rc/data/commitlog\CommitLog-1254027292143.log; dirty is 1,
...
P.S.
OS: Windows server 2003
On Sat, Sep 26, 2009 at 2:50 PM, Jonathan Ellis jbel...@gmail.com wrote:
Patch 0001 on https://issues.apache.org/jira/browse/CASSANDRA-459
fixes another bug that could cause
for
CommitLogContext(file='c:/cassandra-4rc/data/commitlog\CommitLog-1254064318865.log',
position=67321599), column family 0. CFIDs are BenchMarkApp:
TableMetadata(Channels: 0, }), system: TableMetadata(LocationInfo: 1,
HintsColumnFamily: 2, }), }
On Sun, Sep 27, 2009 at 8:49 AM, Jonathan Ellis jbel
deleted.
Log if filled with lines like
Not safe to delete commit log
d:/cassandra-4/data/commitlog\CommitLog-1254177667321.log; dirty is 1,
On Mon, Sep 28, 2009 at 5:21 PM, Jonathan Ellis jbel...@gmail.com wrote:
I have a fix now at
https://issues.apache.org/jira/browse/CASSANDRA-459 -- only
Since JIRA is mostly dead right now, here is the patch to test against 0.4.
On Mon, Sep 28, 2009 at 4:30 PM, Edmond Lau edm...@ooyala.com wrote:
On Fri, Sep 25, 2009 at 8:10 PM, Jonathan Ellis jbel...@gmail.com wrote:
No, you're mixing two related concepts.
When you do a quorum read
On Fri, Oct 2, 2009 at 3:50 AM, ROGER PUIG GANZA rp...@tid.es wrote:
Code for Cassandra 0.4.0 . It’s suppoded to be working but when I fetch a
superColumn with using the superKey, it returns a NotFoundException and when
using the Cassandra-cli, I get this
InvalidRequestException(why:column
It would be pretty easy to create one with
http://commons.apache.org/pool/. If your number of ops-per-connection
is already high then pooling is a lower priority.
On Sat, Oct 3, 2009 at 5:46 AM, Johannes Schaback
johannes.schab...@visual-meta.com wrote:
Hi!
Just a quick question out of
You can take a snapshot and either leave it in place indefinitely or
throw it into your existing backup ecosystem. That's your best option
for backup no matter which kind of partitioner you're using.
-Jonathan
On Mon, Oct 5, 2009 at 12:52 AM, Edmond Lau edm...@ooyala.com wrote:
For folks who
that manually anymore.
On Mon, Oct 5, 2009 at 8:05 AM, Joe Van Dyk joevan...@gmail.com wrote:
How do you take the snapshot? What's the restore process?
On Mon, Oct 5, 2009 at 5:22 AM, Jonathan Ellis jbel...@gmail.com wrote:
You can take a snapshot and either leave it in place indefinitely or
throw
[ 4] 2 http://99designs.com/contests/28940/entries/002
[10] 30 http://99designs.com/contests/28940/entries/030
[ 3] 32 http://99designs.com/contests/28940/entries/032
[11] 33 http://99designs.com/contests/28940/entries/033
[ 8] 90
On Mon, Oct 5, 2009 at 11:10 AM, Anthony Molinaro
antho...@alumni.caltech.edu wrote:
I assume the server also needs to be stopped while your are swapping
files, but what about if you have a cluster of several servers and
need to restore. Is the process to shutdown all the servers, move
the
Oops, I had two at #8. Fixed:
[ 8] 90 http://99designs.com/contests/28940/entries/090
[ 9] 175 http://99designs.com/contests/28940/entries/175
On Mon, Oct 5, 2009 at 11:23 AM, Thorsten von Eicken t...@rightscale.com
wrote:
Isn't the question about how you back up a cassandra cluster, not a
single node?
Sure, but the generalization is straightforward. :)
Can you snapshot the various nodes at different times or do
they need to be
On Mon, Oct 5, 2009 at 5:02 PM, Vijay vijay2...@gmail.com wrote:
ERROR [pool-1-thread-11] 2009-10-05 21:32:03,646 StorageProxy.java (line
179) error writing key c8f3c84c-6253-46fc-b1da-f00a871904f1
java.lang.UnsupportedOperationException: Rack-aware bootstrapping not
supported
pretty
is also broken in
.NET (C#). Now I start to wonder if there is some fundamental flaw in async
IO on windows...
On Mon, Oct 5, 2009 at 3:23 PM, Jonathan Ellis jbel...@gmail.com wrote:
On Mon, Oct 5, 2009 at 2:17 PM, Igor Katkov ikat...@gmail.com wrote:
measured via JMX console i.e. does
So far, it looks like the next version after 0.4 will meet our goal of
being 100% compatible.
If there are incompatibilities introduced in a future version after
that (which is likely) then it will probably be
one-upgrade-tool-fits-all.
-Jonathan
On Tue, Oct 6, 2009 at 4:37 PM, Jurijs
#). Now I start to wonder if there is some fundamental flaw in async
IO on windows...
On Mon, Oct 5, 2009 at 3:23 PM, Jonathan Ellis jbel...@gmail.com wrote:
On Mon, Oct 5, 2009 at 2:17 PM, Igor Katkov ikat...@gmail.com wrote:
measured via JMX console i.e. does not include client-cassandra-client
It's not a fantastic fit because as you say you need to read the
contents to be able to see which if any need to be deleted. (On the
bright side if you are sorting by time uuid, for instance, you won't
need an extra sort step.)
I would predict it would perform better than doing the same thing in
This is fixed in the 0.4 branch and will be included in a forthcoming
0.4.1 release.
On Thu, Oct 8, 2009 at 3:55 AM, Dan Larsen d...@techba.se wrote:
Every time cassandra does a flush, the dbs grows, but nothing happens to the
commitlog
Am I missing something?
Isn't the commitlog suppose to
Hi all,
Rackspace is sponsoring NoSQL East (Oct 29/30 in Atlanta --
https://nosqleast.com/2009/) and we have two extra tickets to give
away to the community. (Tickets for the original venue of 250 seats
sold out, then they found another venue w/ 40 more seats, and it looks
like those will sell
These are spoken for now.
On Sun, Oct 11, 2009 at 9:38 PM, Jonathan Ellis jbel...@gmail.com wrote:
Hi all,
Rackspace is sponsoring NoSQL East (Oct 29/30 in Atlanta --
https://nosqleast.com/2009/) and we have two extra tickets to give
away to the community. (Tickets for the original venue
On Tue, Oct 13, 2009 at 4:52 PM, Brian Bulkowski br...@bulkowski.org wrote:
Question 1:
the bootstrap parameter: what does it do, exactly?
It's for adding nodes to an existing cluster. (This is being reworked
to be more automatic for 0.5.) If you start a node without it, it
assumes it
On Wed, Oct 14, 2009 at 1:53 AM, Santal Li santal...@gmail.com wrote:
But Seems the RackAwareStrategy was not finished, some funtions was direct
throw out exception:
eg:
public EndPoint[] getReadStorageEndPoints(Token token, MapToken,
EndPoint tokenToEndPointMap)
{
On Wed, Oct 14, 2009 at 1:53 AM, Santal Li santal...@gmail.com wrote:
There was another way for cross data center HA, how about add some kind of
action hook, which can catch all the Cassandra.Iface function call(insert ,
batch_insert , remove ...) , then send the call to another Cassandra
Turn on debug logging and see what nodes it is sending requests to,
and what happens on that node to that request.
Maybe there is an exception on the data node.
2009/10/14 Teodor Sigaev teo...@sigaev.ru:
Why is it timing out?
Sorry, I can't say why, I just see on client side
{
And what happens on 10.3.2.36 for message 2691?
2009/10/14 Teodor Sigaev teo...@sigaev.ru:
After restart old key become readable, another key become unreadable :)
DEBUG [pool-1-thread-61] 2009-10-14 18:03:30,695 StorageProxy.java (line
239) weakreadlocal reading
Does this still happen after a few dozen queries to 10.2.3.38?
It looks like .40 is finding the key and trying to send it back, so
one possibility is that .40's pooled socket to .38 hasn't realized
that .38 was restarted, so the first few messages might get lost
before it reconnects.
2009/10/15
Quicker question: Is this ColumnFamily using UTF8Type as its comparator?
On Thu, Oct 15, 2009 at 1:17 PM, Jonathan Ellis jbel...@gmail.com wrote:
The exception on restart is occurring during a compaction of
already-written sstables. It logs what the files are beforehand
(Compacting
, Oct 15, 2009 at 1:35 PM, Edmond Lau edm...@ooyala.com wrote:
Yes, I'm using UTF8Type as the comparator.
On Thu, Oct 15, 2009 at 11:33 AM, Jonathan Ellis jbel...@gmail.com wrote:
Quicker question: Is this ColumnFamily using UTF8Type as its comparator?
On Thu, Oct 15, 2009 at 1:17 PM, Jonathan
Are you also using Perl?
On Thu, Oct 15, 2009 at 1:38 PM, Anthony Molinaro
antho...@alumni.caltech.edu wrote:
I see a similar thing happening all the time. I get around it by closing
the current connection and reconnecting after a sleep. Although I am able
to do quite a few inserts between
Don't know if you tried this yet, but Eric noticed a bug in my patch.
There's a new one now, fixed.
-Jonathan
fixed
2009/10/16 Teodor Sigaev teo...@sigaev.ru:
% ant release
Buildfile: build.xml
build-subprojects:
init:
[mkdir] Created dir:
/spool/home/teodor/cvs/Cassandra/cassandra-0.4/build/classes
[mkdir] Created dir:
/spool/home/teodor/cvs/Cassandra/cassandra-0.4/build/test/classes
16, 2009 at 1:23 PM, Jonathan Ellis jbel...@gmail.com wrote:
Don't know if you tried this yet, but Eric noticed a bug in my patch.
There's a new one now, fixed.
-Jonathan
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