--
> > To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org
> > For additional commands, e-mail: user-h...@cassandra.apache.org
> >
>
> -
> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org
> For additional commands, e-mail: user-h...@cassandra.apache.org
>
>
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@spyced
Which was followed up by
https://www.researchgate.net/profile/Akon_Dey/publication/282156834_Scalable_Distributed_Transactions_across_Heterogeneous_Stores/links/56058b9608ae5e8e3f32b98d.pdf
On Tue, Oct 16, 2018 at 1:02 PM Jonathan Ellis wrote:
> It looks like it's based on this
AND dclocal_read_repair_chance = 0.1 AND default_time_to_live = 0 AND
> gc_grace_seconds = 864000 AND max_index_interval = 10240 AND
> memtable_flush_period_in_ms = 360 AND min_index_interval = 10240 AND
> read_repair_chance = 0.0 AND speculative_retry = '99PERCENTILE' AND caching
ublic
interfaces.
Of course additional security measures are useful as defense in depth, but
bottom line if the bad guys can't connect to your cluster they can't harm
it.
--
Jonathan Ellis
co-founder, http://www.datastax.com
@spyced
a few minutes to fill it out!
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced
ur application." We have multiple applications
> using Cassandra. Are you looking for information about each application
> separately, or the sum of all of them?
>
> Jim
>
> On Wed, Sep 30, 2015 at 2:18 PM, Jonathan Ellis wrote:
>
>> With 3.0 approaching, the Apache Ca
uot;128 GB or more"
than I expected.
- Including the "both" responses, a majority of users are deploying SSD now.
On Wed, Sep 30, 2015 at 1:18 PM, Jonathan Ellis wrote:
> With 3.0 approaching, the Apache Cassandra team would appreciate your
> feedback as we work on the proj
committed for 3.4. In the meantime, I thought it best to give people more
notice rather than less.)
[1] https://issues.apache.org/jira/browse/CASSANDRA-10857
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced
at
> org.apache.cassandra.io.sstable.SSTableMetadata$SSTableMetadataSerializer.deserialize(SSTableMetadata.java:204)
> at
> org.apache.cassandra.io.sstable.SSTableMetadata$SSTableMetadataSerializer.deserialize(SSTableMetadata.java:194)
> at
> org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:155)
> at
> org.apache.cassandra.io.sstable.SSTableReader$1.run(SSTableReader.java:224)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> Service exit with a return value of 100
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
More information at
http://www.datastax.com/services/training
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
lease take five minutes and submit your nomination today at [2].
Nominations will be open throughout the next week. Those selected
will be notified in advance.
[1] http://www.datastax.com/events/cassandrasummit2012
[2] http://www.surveymonkey.com/s/WVBZGHR
--
Jonathan Ellis
Project Chair, Apache
ve a little over weeks
to send in your talk proposal. Don't put it off! We'll look forward to
seeing some great ones shortly!
Thanks
Nick
(On behalf of the Conferences committee)
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
Yes.
On Thu, Aug 2, 2012 at 5:33 AM, Radim Kolar wrote:
>
>> 1) I assume that I have to call the loadNewSSTables() on each node?
>
> this is same as "nodetool refresh?"
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for profe
Bloom Filter Space Used: 41104
> Compacted row minimum size: 150
> Compacted row maximum size: 179
> Compacted row mean size: 179 *
>
> I am unable to see the effect of above setcachecapacity command. Let me
> know how i can configure the cache capacity, and check it
e a dynamic
> column family is to create a table with no named columns and alter the
> table later but that also does not work:
>
> "create table data (key varchar PRIMARY KEY);"
>
> yields:
>
> "Bad Request: No definition found that is not part of the PRIMAR
e had any experience with this ? Anyone tried it ?
>
> --
> Regards,
> Oleg Dulin
> NYC Java Big Data Engineer
> http://www.olegdulin.com/
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
250M that I observed in the behavior of my
> application ? What about later releases of Cassandra (e.g. 1.1, or 1.2) ? Is
> there any option to help on this front ?
>
> Thanks in advance for any pointers that you can provide to help me understand
> this issue.
>
> B
en flushed.
Replaying already-flushed data a second time is harmless -- except for
counters. So, to avoid replaying flushed counter data, we recommend
performing drain when shutting down the pre-1.1.6 C* prior to upgrade.
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataSta
r in any other place
> where this could be useful ?
Good idea, I'll get that noted. Thanks!
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
not working with 1.1.5.
>
> -Vivek
>
> On Mon, Oct 22, 2012 at 5:20 AM, aaron morton
> wrote:
>
> Yes AFAIK.
>
> Cheers
>
> -----
> Aaron Morton
> Freelance Developer
> @aaronmorton
> http://www.thelastpickle.com
>
> On 20/10/2012, at 12:15 AM, Vivek Mishra wrote:
>
> Hi,
> Is it possible to reuse same compound primary key after delete? I guess it
> works fine for non composite keys.
>
> -Vivek
>
>
>
>
>
>
>
>
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
I am readind the code wrong?
>
> Also if this is correct, look like if the third node is in other DC, the
> read will slow down even when the consistency was TWO?
>
> Thanks,
> Sankalp
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax,
; > I'm running 1.1.5; the bug says it's fixed in 1.0.9/1.1.0.
>> >
>> > How can I check to see why it keeps running HintedHandoff?
>> you have tombstone is system.HintsColumnFamily use list command in
>> cassandra-cli to check
>>
>
>
>
> --
>
> Mike Heffner
> Librato, Inc.
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
p://www.datastax.com/dev/blog/atomic-batches-in-cassandra-1-2
> [6]: http://www.datastax.com/dev/blog/tracing-in-cassandra-1-2
> [7]:
> http://www.datastax.com/dev/blog/performance-improvements-in-cassandra-1-2
> [8]: http://www.datastax.com/dev/blog/binary-protocol
> [9]: http://ww
cts the performance since
>> the range queries have a lot of overhead.
>>
>> Any suggestion to improve the performance? It seems like I need to lower the
>> number of virtual nodes.
>>
>> Best Regards,
>> Cem
>>
>>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced
intain the 2.2 stability series until 4.0 is
released, and 3.0 for six months after that.Thanks for reading this far,
and I look forward to hearing how 2.2rc1 works for you!*
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced
sly from 3.1 to 3.7, for
> instance, including cross-version repair.
>
> What will be the EOL policy for releases after 3.0? Given your example,
> will 3.1 still see bugfixes at this point when I decide to upgrade to 3.7?
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-fo
As soon as 8099 is done.
On Thu, Jun 11, 2015 at 11:53 AM, Pierre Devops
wrote:
> Hi,
>
> 3.x beta release date ?
>
> 2015-06-11 16:21 GMT+02:00 Jonathan Ellis :
>
>> 3.1 is EOL as soon as 3.3 (the next bug fix release) comes out.
>>
>> On Thu, Jun 11,
;> instance, including cross-version repair.
>>
>> What will be the EOL policy for releases after 3.0? Given your example,
>> will 3.1 still see bugfixes at this point when I decide to upgrade to 3.7?
>>
> --
> --
> Daniel
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced
lusters as well.
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced
x27;t already on the
wiki contributors whitelist, please contact me. We had to add the
whitelist to stop spam.
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced
rName(FBUtilities.java:469)
>
> at
> org.apache.cassandra.locator.AbstractReplicationStrategy.getClass(AbstractReplicationStrategy.java:290)
>
> at org.apache.cassandra.config.KSMetaData.fromSchema(KSMetaData.java:266)
>
> ... 6 more
>
>
>
>
>
> Thanks,
>
yaml configurations across versions, fetching binary
> cassandra from the internet), but it opens up new opportunities to developer
> complicated multi-node testing scenarios which are impossible due to
> re-entrant embedded cassandra code!
>
> Have fun.
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced
t.
>
> flush_largest_memtables_at: 0.75
> reduce_cache_sizes_at: 0.85
> reduce_cache_capacity_to: 0.6
> in_memory_compaction_limit_in_mb: 64
>
> Does anyone have any ideas why we are seeing this so selectively on one box?
>
> Any cures???
> --
> John Pyeatt
> Singlewire Softwa
tps://issues.apache.org/jira/secure/attachment/12632583/CASSANDRA-6285-disruptor-heap.patch
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder, http://www.datastax.com
@spyced
to be in a
>> different keyspace from others? Is any sort of file fragmentation
>> potentially introduced just by doing this in a new keyspace as opposed
>> to an exiting one?
>>
>> 4) Does it add any metadata overhead to the system keyspace?
>>
>> 5) Why m
esolver.maybeScheduleRepairs(resolved, table,
> key, versions, versionSources);
>
> versions.clear();
>
> versionSources.clear();
>
> return new Row(key, resolved);
>
> }
>
>
> Is that right?
>
>
>
sandra setup
> .Can someone please let me know what steps / configuration changes I need to
> make.
> Thanks
> Anurag
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
eems to insert data fine, and my
> distribution is very even.
>
> What is this error, what is causing it, and how do i fix it?
>
> Thanks
> -Eric
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
eone can elaborate on this.
>
> Thanks,
> Anuya
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
sing memtable thresholds,
but bottom line is you're right around what we'd expect to see.
Furthermore, CPU is the primary bottleneck which is what you want to
see on a pure write workload.
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source
if we make sure nodes have properly configured IPs and
> they'll snitch using the closest node?
>
> If switching the placement strategy is impossible, what is the best way to
> move the data from one datacenter to the other?
>
> Thank you!
>
> Regards,
>
> André-Philippe
; # CommitLogSyncBatchWindowInMS milliseconds for other writes, before
>
>
> Kind regards,
>
> Benoit.
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
Comments are text, not code.
On Tue, May 10, 2011 at 12:01 PM, Tyler Hobbs wrote:
> On Tue, May 10, 2011 at 11:40 AM, Jonathan Ellis wrote:
>>
>> . inside quotations is correct in English.
>
> It's a subtle and non-obvious rule of English. Besides, in a programming
&
Start w/ the 0.8 one and add your modifications to it.
On Tue, May 10, 2011 at 4:24 PM, Larry Liu wrote:
> Clearly it doesn't work if go this route. Just wonder if anyone has such
> experience which can give me some pointers.
>
> Thanks.
>
--
Jonathan Ellis
Project Chair,
; > experience which can give me some pointers.
>> >
>> > Thanks.
>> >
>>
>>
>>
>> --
>> Jonathan Ellis
>> Project Chair, Apache Cassandra
>> co-founder of DataStax, the source for professional Cassandra support
>> http://www.dat
e.org/jira/browse/CASSANDRA-1889 which is in
> resolution "cannot reproduce".
> What can I do to make the node starting again?
> Thanks in advance and best regards
> Udo
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
a simulation on potential worst case scenarios
> if many of the buckets end up with 3 sstables and don't compact for a while.
> The disk space requirements get pretty bad even without getting into
> theoretical worst cases.
> Regards,
> Terje
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
question on jconsole rather than cassandra, how can I invoke
>>>>> getNaturalEndpoints with jconsole?
>>>>>
>>>>> org.apache.cassandra.service.StorageService.Operations.getNaturalEndpoints
>>>>>
>>>>> I want to run this met
for the bloom filter. If there were a lot of key cache hits
>> and a few false positives the ratio would be wrong. I'll ask around, does
>> not seem to apply to Hectors case though.
>
> 0.7.1 No key cache.
>
> BloomFilterFalsePositives: 48130
> Read Count: 153973494
k COMPANY
> index.
> Does Cassandra always uses Index on first "where" clause?
> I can always change the above query to have account number as the first
> "where" clause.
> Just wanted to understand whether any kind of index optimization built into
> Cassandr
58457600
>
> This will eventually trigger old-gen GC and then the process repeats
> until hinted handoff finishes.
>
> The build version was updated from 0.7.2 to 0.7.5 but the behavior was
> exactly the same.
>
> Thank you.
>
>
--
Jonathan Ellis
Project Cha
t, please notify the
> sender immediately and do not disclose the contents to another person
> use it for any purpose or store or copy the information in any medium.
> Internet communications cannot be guaranteed to be timely, secure, error
> or virus-free. We do not accept liability
our loading time, but also effect the amount of data we can load.
>
> So we need to figure out why the nodes continue to be up and down and fix
> this problem.
>
> Thanks for any help!
>
> Best,
> Xiaowei
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
leReader.java (line 154) Opening
> /mnt/scratch/jcipar/cassandra/data/system/LocationInfo-f-2
> INFO [main] 2011-05-12 19:02:21,344 SSTableReader.java (line 154) Opening
> /mnt/scratch/jcipar/cassandra/data/system/LocationInfo-f-1
> INFO [main] 2011-05-12 19:02:21,379 DatabaseDescriptor.java (line 461)
> Loading schema version 9467ffe0-7cea-11e0-8ddc-f74ef74e382f
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
https://svn.apache.org/repos/asf/cassandra/branches/cassandra-0.7
On Thu, May 12, 2011 at 8:33 PM, Xiaowei Wang wrote:
> Thanks Jonathan, but can you provide some links about 0.7 svn branch?
>
> 2011/5/12 Jonathan Ellis
>>
>> I'd recommend trying the 0.7 svn branch (so
Not if you want the pausing/marking down fixes that were done more recently. :)
On Thu, May 12, 2011 at 8:39 PM, Xiaowei Wang wrote:
> Oh sorry, we use cassandra-0.7.4 already. Is the version fine?
>
> 2011/5/12 Jonathan Ellis
>>
>> https://svn.apache.org/repos/asf/cassand
pment time i should expect to code udp?
>
> -pankaj
>
> --
> View this message in context:
> http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Inter-node-communication-over-UDP-tp6358459p6358459.html
> Sent from the cassandra-u...@incubator.apache.org mailing l
e.cassandra.service.StorageService.getNaturalEndpoints(StorageService.java:1497)
> [snip]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:636)
>
>
> 2011/5/11 Jonathan Ellis :
>
ava (line
>>>>> 128) GC for ParNew: 375 ms, 576641232 reclaimed leaving 5471432144 used;
>>>>> max is 7774142464
>>>>> INFO [ScheduledTasks:1] 2011-05-12 19:02:08,857 GCInspector.java (line
>>>>> 128) GC for ParNew: 450 ms,
cess (our C++ app) is as big as the forking
>> one (the 2nd JVM). Anyways, the Cassandra process leaks with both,
>> vm.overcommit_memory=0 (the default) and 1.
>>
>> Whether it is the native heap that leaks or something else, I think
>> that 1.1G of additional RAM for 1G of Java heap can't be normal. I'd
>> be grateful for any insights or pointers at what to try next.
>>
>> [1] http://bmaurer.blogspot.com/2006/03/memory-usage-with-smaps.html
>> [2] http://www.win.tue.nl/~aeb/linux/lk/lk-9.html#ss9.6
>>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
64 MB memtables.
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
ed2))
> + if (scored1 == null) {
> + scored1 = 0.0;
> + }
> +
> + if (scored2 == null) {
> + scored2 = 0.0;
> + }
> +
> + if (scored1.equals(scored2))
> return subsnitch.compareEndpoints(target, a1, a
doesn't return correct number of rows
> (it seems that most of the times there some of the rows are missing).
> Tried running nodetool repair, and nodetool scrub but this doesn't seem to
> help.
>
> What might the cause of such behaviour?
>
> --
> KosciaK
>
nothing is running on machine's.
>
> So here is my question do i need to run nodetool compact or not and what
> about noretool rapier.
>
> --
> S.Ali Ahsan
>
>
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
-13:~/apache-cassandra-0.8.0-beta1$
>> bin/cassandra-cli -h ec2-50-19-26-189.compute-1.amazonaws.com -p 9160 -u
>> jdoe -pw 9fa1b39e7eb877367213e6f7e37d0b01 -k MDR
>> Login failure. Did you specify 'keyspace', 'username' and 'password'?
>>
>> ubuntu@domU-12-31-39-0C-D9-13:~/apache-cassandra-0.8.0-beta1$
>> bin/cassandra-cli -h ec2-50-19-26-189.compute-1.amazonaws.com -p 9160 -u
>> jdoe -pw '9fa1b39e7eb877367213e6f7e37d0b01' -k MDR
>> Login failure. Did you specify 'keyspace', 'username' and 'password'?
>>
>> Hmm, what am I doing wrong?
>> - Sameer
>>
>
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
adoop.arvo classes
>
> Does it make sense to use counters for hadoop output?
>
> If i try rewriting ColumnFamilyOutputFormat and friends should it be to
> the normal ..avro classes, or to something else?
>
> ~mck
>
>
--
Jonathan Ellis
Project Chair, Apache Cassand
at java.lang.Thread.run(Unknown Source)
> Caused by: java.io.EOFException
> at java.io.RandomAccessFile.readByte(Unknown Source)
> at
> org.apache.cassandra.utils.ByteBufferUtil.readShortLength(ByteBufferUtil.java:324)
> at
> org.apache.cassandra.utils.ByteBufferUtil.readWithShortLength(ByteBufferUt
e of
> columns.
> get .[''][''] Get a slice of sub
> columns.
> get .[''][''] Get a column
> value.
> get .[''][''][''] Get a sub column
> value.
>
tes started failing. At this point we stopped the cluster.
>> Over the course of the day we inserted around 25G of data. Our columns
>> values are pretty small.
>> I understand that cassandra periodically cleans up the commitlog
>> directories by generating sstables in datadir
Yes.
On Thu, May 19, 2011 at 7:24 PM, Dave Rav wrote:
> Can I use secondary index with any partitioner
>
>
>
> 1) RandomPartitioner
> 2) ByteOrderedPartitioner
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professiona
post-0.8.0.
> Second question: If I want to implement counters, they have to exist
> in a seperate column family from the rest of my data?
Isn't that the same as the first question? :)
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professi
se as hex bytes" when doing the
>
> "Next we add some users:
> [default@demo] set users[bsanderson][full_name] = 'Brandon Sanderson';"
>
> section
>
> I can confirm that CASSANDRA-2497 does work
>
--
Jonathan Ellis
Project Chair, Apache Cass
ry time I get only 3 rows it's the same list of 3 rows
> on both affected nodes.
>
>
> 2011/5/17 Jonathan Ellis :
>> Nothing comes to mind.
>>
>> I'd start by using sstable2json to see if the missing rows are in the
>> main data CF -- i.e., are the
exClause {
> 1: required list expressions
> 2: required binary start_key,
> 3: required i32 count=100,
> }
>
>
> >Yes.
>
> On Thu, May 19, 2011 at 7:24 PM, Dave Rav wrote:
> > Can I use secondary index with any partitioner
> >
> >
&
be in cassandra 0.8
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
; What could be causing this massive temporary disk allocation?
>
> Is it malloc? Is this an indication that something is not configured
> correctly? Is this a bug?
>
> Any help would be appreciated!
>
> Jon
>
>
>
>
--
Jonathan Ellis
Project Chair, Apache Ca
ulti-get underneath just sends out per-key lookups one by
> one, while I really do not care about which key corresponds to which
> result, a simple scraping of the underlying SSTable would
> be perfect, because I could utilize the file cache coherency as I read
> down the file.
>
>
&
\w+
On Mon, May 23, 2011 at 12:28 AM, Dikang Gu wrote:
> What's the naming convention of the column family in cassandra? I did not
> find this in the wiki yet...
> Thanks.
>
> --
> Dikang Gu
> 0086 - 18611140205
>
--
Jonathan Ellis
Project Chair, Apache Cassandr
'll want to
rebuild the index.
> By the way - is it possible to force the rebuild of the secondary
> indexes from scratch?
Yes, just remove the index definition from the column_metadata, then
re-add it. (0.7.7 adds DROP INDEX to the cli.)
--
Jonathan Ellis
Project Chair, Apache Cassandra
ce on this list.
Sign up at http://datastaxseattle.eventbrite.com/ and
http://datastaxuk.eventbrite.com/.
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
after params )
>
>
>
> this can be changed easily by modifying the CounterColumn.resolve() so
> that it updates the
> currentThroughput with the ***difference of old column size and
> new column size, not just the size of new column.
--
Jonathan Ellis
Project Chair,
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ace, and are built faster than the connection can send
> them. Therefore, they accumulate in OutboundTcpConnection.queue, until
> memory is completely filled.
>
> Any suggestions? Can I change something to make this work, apart from
> reducing the number of CFs?
>
> Flavio
>
--
Jonat
-> nodetool compact -> ??
>
> Is there a way for me to make (or even gently suggest to) Cassandra that it
> may be a good time to free up some space?
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
standing that
> System.gc "forces" gc. It does not. It is a suggestion only. The vm always
> has the option as to when and how much it gcs
>
> On May 26, 2011 2:51 PM, "Jonathan Ellis" wrote:
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataSta
l actually
>> invoke a full collection.
>>
>> On Thu, May 26, 2011 at 2:18 PM, Jeffrey Kesselman wrote:
>>> Actually this is no gaurantee. Its a common misunderstanding that
>>> System.gc "forces" gc. It does not. It is a suggestion only. The vm alw
.activate(AbstractCassandraDaemon.java:314)
> at
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:79)
>
>
> Il 5/26/2011 6:04 PM, Jonathan Ellis ha scritto:
>>
>> Sounds like a legitimate bug, although looking through the code I'm
>>
plications.
>
> Far from being pedantic, not depending on undocumented behavior is
> simply good engineering.
>
>
> On Thu, May 26, 2011 at 4:51 PM, Jonathan Ellis wrote:
>> I've read the relevant source. While you're pedantically correct re
>> the spec, you&#
t:
> 6 nodes. Replication factor is 3.
>
> ONE and QUORUM it was not for the throughput difference.
> ALL just extremely slow.
> Not ONE had only half the throughput.
> ONE, TWO and THREE were similar results.
>
> Is there any difference between 2 nodes and 3 nodes?
>
>
Right. This is not supported.
On May 27, 2011 7:25 AM, "Mikael Wikblom"
wrote:
> Hi,
>
> I tried to mix windows and linux in a cassandra cluster version 0.7.4
> and got an exception on a linux node bootstrapping from a windows node.
>
> java.lang.StringIndexOutOfBoundsException: String index out o
(and if it did, it would be the SQL row count, which is different than
the column count from pycassa.)
On Fri, May 27, 2011 at 10:13 AM, Jonathan Ellis wrote:
> CQL does not support count().
>
> On Fri, May 27, 2011 at 4:18 AM, Donal Zang wrote:
>> Hi,
>> I'm us
lsh> select count(1) from t_container where KEY = '2011041210' ;
> (0,)
> cqlsh> select count(*) from t_container where KEY = '2011041210' ;
> (0,)
> Any ideas? Should the KEY be converted to bytes?
>
> Thanks!
> Donal
>
--
Jonathan Ellis
Project
pected
> initially). They never get out of that state.
>
> Is there something we can do in nodetool to make the remaining nodes
> function?
>
> Thanks.
>
> --
> -
> Paul Loy
> p...@keteracel.com
> http://uk.linkedin.com/
I guess my next question is: the data should be complete somewhere in the
> ring with RF = 2. Does cassandra not redistribute the replication ring
> without a nodetool decommission call?
>
> On Fri, May 27, 2011 at 4:45 PM, Paul Loy wrote:
>>
>> ahh, thanks.
>>
No. See comments to https://issues.apache.org/jira/browse/CASSANDRA-2103
On Fri, May 27, 2011 at 7:29 PM, Yang wrote:
> is this combination feature available , or on track ?
>
> thanks
> Yang
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax,
On Sat, May 28, 2011 at 5:43 AM, Jonathan Colby
wrote:
> It might just not have occurred to me in the previous 0.7.4 version,
> but when I do a repair on a node in v0.7.6, it seems like data is also
> synced with neighboring nodes.
This has always been repair's behavior, yes.
--
keyspace
> Is there any best practice to do it or I need to read/write all rows?
>
> Best regards
>
> Carlo
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
ich is useful for debugging server
>> config. The output you have looks like it's working fine. You need to start
>> another terminal and connect to it from a cassandra client.
>>
>> Marcus
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
>
> Are you using a "real" timestamp such that the deletion is stamped
> higher than the insertion?
>
> --
> / Peter Schuller
>
>
>
--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com
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