Re: Cassandra 2.1 on Xenial

Yep. This was fixed for 2.1.15, 2.2.7, 3.0.6, 3.6 in https://issues.apache.org/jira/browse/CASSANDRA-10853 -- Kind regards, Michael On 03/18/2018 10:55 PM, Cyril Scetbon wrote: > Okay I found that when building the package, the new helper dh_python2 > must be used to fix that issue. > > — > Cyr

Re: Cassandra 2.1 on Xenial

python is not a requirement on the Cassandra package in > your debian/control 😮 > > I also noticed that I get issues with cassandra-stress on > Xenial https://pastebin.com/raw/r2umZXSV, Any idea ?  > > Bests > — > Cyril Scetbon > >> On Mar 19, 2018, at 12:16 PM, Michael

Re: Cassandra 2.1 on Xenial

Looked at your error again. The cassandra-stress example appears as if thrift is disabled, which is the default stress profile. Try `cassandra-stress write -mode native cql3 ...` for native cql stress runs. Michael On 03/22/2018 11:36 PM, Michael Shuler wrote: > dh_python is a build depende

Re: Cassandra 2.1 on Xenial

n. The cassandra-stress example appears as if >> thrift is disabled, which is the default stress profile. Try >> `cassandra-stress write -mode native cql3 ...` for native cql stress runs. >> >> Michael >> >> On 03/22/2018 11:36 PM, Michael Shuler wrote: >>&

Re: Cassandra 2.1 on Xenial

I downloaded the 3.0.16 tar to /tmp on the same host as my 2.1 node was running (without thrift), and this worked for me: ./tools/bin/cassandra-stress write n=1 -mode native cql3 protocolVersion=3 Michael On 03/23/2018 09:30 AM, Michael Shuler wrote: > Well, now I'm a little st

Re: Shifting data to DCOS

On 04/05/2018 09:04 AM, Faraz Mateen wrote: > > For example,  if the table is *data_main_bim_dn_10*, its data directory > is named data_main_bim_dn_10-a73202c02bf311e8b5106b13f463f8b9. I created > a new table with the same name through cqlsh. This resulted in creation > of another directory with a

Re: Cassandra Hints file corruption

On 04/09/2018 01:43 PM, Vineet G H wrote: > Hello All, > > We have a 14 node Cassandra cluster 3.11.1. For some odd reason > intermittently we see the following error > > ERROR [HintsDispatcher:1] 2018-04-06 16:26:44,423 > CassandraDaemon.java:228 - Exception in thread > Thread[HintsDispatcher:1,

Re: Latest version and Features

On 04/11/2018 06:12 PM, Carlos Rolo wrote: > > I blogged about this decision recently > here: https://blog.pythian.com/what-cassandra-version-should-i-use-2018/ s/it the fact/is the fact/ typo, and possibly not 100% correct on the statement in that sentence. There are commits since the last 2.1

Re: Logback-tools.xml

On 04/18/2018 10:39 AM, Abdul Patel wrote: > > I have instakled 3.11.2 and i see 2 new files ..logback-tools.xml and > -jaas.config .. > > What are they used for ? logback-tools.xml is the logback configuration for all the tools under bin/ and tools/bin/, so you could change the root log level

Re: [EXTERNAL] Re: Cassandra downgrade version

On 04/19/2018 08:48 AM, Durity, Sean R wrote: > So, the specific question here is whether there is any sstable format > change between 3.1.0 and 3.11.2. I don’t know if there is. Here's how to quickly test that: git clone https://github.com/apache/cassandra.git cd cassandra/ git checkout cassand

Re: How to configure Cassandra to NOT use SSLv2?

On 04/20/2018 07:41 AM, Lou DeGenaro wrote: > Running Cassandra produces the following error message: > > "SSLv2Hello is not a recognized protocol" > > because the JVM being used does not support SSLv2. The JVM does not > support SSLv2 because "it's a HUGE security risk." > > How does one config

Re: How to configure Cassandra to NOT use SSLv2?

On 04/20/2018 08:46 AM, Lou DeGenaro wrote: > Could you be more specific?  What does one specify exactly to assure > SSLv2 is not used for both client-server and server-server > communications?  Example yaml statements would be wonderful.  The defaults in cassandra.yaml have only TLS specified in

Re: How to configure Cassandra to NOT use SSLv2?

- > *Von: *"Lou DeGenaro" <mailto:lou.degen...@gmail.com>> > *An: *"user" <mailto:user@cassandra.apache.org>> > *Gesendet: *Dienstag, 24. April 2018 11:21:06 > *Betreff: *Re: How to configure Cassandra to NOT use SSLv2? &g

Re: com.datastax.driver.core.exceptions.NoHostAvailableException

host421 != bluej421 My guess is 192.168.3.232 != {host421,bluej421} somewhere. If DNS hostnames are being used, the DNS infrastructure needs to be spot on, forward and reverse. If the DNS infrastructure is /etc/hosts, those hosts entries need to be spot on for the entire cluster, forward and rever

Re: com.datastax.driver.core.exceptions.NoHostAvailableException

stalled apache-cassandra-3.11.2-bin.tar.gz and the problem > persists. > > > > On Thu, Apr 26, 2018 at 9:45 AM, Michael Shuler <mailto:mich...@pbandjelly.org>> wrote: > > host421 != bluej421 > My guess is 192.168.3.232 != {host421,bluej421} som

Re: com.datastax.driver.core.exceptions.NoHostAvailableException

On 04/26/2018 09:03 AM, Michael Shuler wrote: > Seems like an incomplete upgrade to 3.0.9 (and now 3.11.2) from some > earlier version, which used schema_columnfamilies, I think? Similar error on: https://datastax-oss.atlassian.net/browse/JAVA-1092 -- M

Re: com.datastax.driver.core.exceptions.NoHostAvailableException

On 04/26/2018 09:17 AM, Lou DeGenaro wrote: > > I started fresh and edited the 3.11 cassandra.yaml file.  Here are the > exact changes: > > diff cassandra.yaml cassandra.yaml.orig > 425c425 > <   - seeds: "bluej421" > --- >>   - seeds: "127.0.0.1" > 599c599 > < listen_address: blu

Re: apache-cassandra 2.2.8 rpm

There is no Apache Cassandra RPM for 2.2.8. If there were, it would be basically identical to the Datastax package anyway. The differences would be package name and a dependency on python 2.7 in the spec for Apache Cassandra. (I used to maintain the Datastax Community packages and currently bui

Re: Installation

On 07/10/2018 02:48 AM, rajasekhar kommineni wrote: > Hi Rahul, > > The problem for removing the old links is Cassandra binaries are pointed > from /usr//bin/, /usr//sbin etc .. > > $ which nodetool  > /usr/bin/nodetool > $ which cqlsh > /usr/bin/cqlsh > $ which cassandra > /usr/sbin/cassandra T

[RELEASE] Apache Cassandra 2.2.13 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.13. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 3.0.17 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.17. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 3.11.3 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.3. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

Re: Refering to non-existing node

On 09/06/2018 01:48 PM, Vlad wrote: > Hi, > 3 node cluster, Cassandra 3.9, GossipingPropertyFileSnitch, one DC > > I removed dead node with `nodetool assassinate`. It was also seed node, > so I removed it from seeds list on two other nodes and restarted them. > > But I still see in log > `DEBUG [

Re: Cassandra 2.1.21 ETA?

On 9/21/18 3:28 AM, Steinmaurer, Thomas wrote: > > is there an ETA for 2.1.21 containing the logback update (security > vulnerability fix)? Are you using SocketServer? Is your cluster firewalled? Feb 2018 2.1->3.11 commits noting this in NEWS.txt: https://github.com/apache/cassandra/commit/4bbd2

Re: Cassandra 2.1.21 ETA?

ketServer question. Is this for Thrift > only or also affects the native protocol (CQL)? > > Yes, we basically have iptables rules in place disallowing remote access from > machines outside the cluster. > > Thanks again, > Thomas > >> -Original Message- >&g

Re: Help in understanding strange cassandra CPU usage

On 12/9/18 4:09 AM, Devaki, Srinivas wrote: > > Cassandra Version: 2.2.4 There have been over 300 bug fixes and improvements in the nearly 3 years between 2.2.4 and the latest 2.2.13 release. Somewhere in there was a GC logging addition as I scanned the changes, which could help with troubleshoot

Re: OpenJDK and Windows Service Error

On 1/2/19 9:58 AM, Rick L Johnson wrote: > “Windows could not start the service on Local Computer. For more > information review the System event log. If this is a non-Microsoft > service, contact the service vendor and refer to the server specific > error code 1”. What does the System event log

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Re: Upgrade From 2.0 to 2.1

On 2/11/19 9:24 AM, shalom sagges wrote: > I've successfully upgraded a 2.0 cluster to 2.1 on the way to upgrade to > 3.11 (hopefully 3.11.4 if it'd be released very soon). Very soon. If not today, it will be up tomorrow. :) -- Michael ---

[RELEASE] Apache Cassandra 3.11.4 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.4. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 3.0.18 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.18. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 2.2.14 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.14. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 2.1.21 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 2.1.21. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

Re: How to upgrade logback dependency

https://issues.apache.org/jira/browse/CASSANDRA-14183 2.1 NEWS.txt merged up: https://github.com/apache/cassandra/blob/cassandra-2.1/NEWS.txt#L21-L28 -- Kind regards, Michael On 2/12/19 2:49 AM, Oleksandr Shulgin wrote: > Hi, > > The latest release notes for all versions mention that logback <

Re: How to upgrade logback dependency

On 2/12/19 11:53 AM, Michael Shuler wrote: > https://issues.apache.org/jira/browse/CASSANDRA-14183 > > 2.1 NEWS.txt merged up: > https://github.com/apache/cassandra/blob/cassandra-2.1/NEWS.txt#L21-L28 I should have included that you can try simply replacing the jars in lib/ with th

Re: How to upgrade logback dependency

On 2/13/19 2:30 AM, Oleksandr Shulgin wrote: > On Tue, Feb 12, 2019 at 7:02 PM Michael Shuler <mailto:mich...@pbandjelly.org>> wrote:  > > If you are not using the logback SocketServer and ServerSocketReceiver > components, the CVE doesn't affect your

Re: Oracle: unexpected operator

On 5/10/19 2:00 PM, Lou DeGenaro wrote: cassandra-server/bin$ ./nodetool help ./nodetool: 333: [: Oracle: unexpected operator usage: nodetool [(-u | --username )] ... What version of Cassandra? That line number is strange. The string "Oracle" along with other garbage seems to be coming from p

How To Mailing List

Sub, unsub, and archive links can be found at: http://cassandra.apache.org/community/ Plain text emails to the list also get a footer appended with similar info: - To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org Fo

Re: Is my range read query behaving strange ?

(dropped dev@ x-post; user@ was correct) Possibly #12765, fixed in 2.1.17. Wouldn't hurt to update to latest 2.1.21. https://issues.apache.org/jira/browse/CASSANDRA-12765 https://github.com/apache/cassandra/blob/cassandra-2.1/CHANGES.txt#L1-L36 Michael On 6/11/19 9:58 PM, Laxmikant Upadhyay wr

Re: Cassandra migration from 1.25 to 3.x

First and foremost, read NEWS.txt from your current version to the version you wish to upgrade to. There are too may details that you many need to be aware of. For instance, in the 2.0.0 Upgrading notes: https://github.com/apache/cassandra/blob/cassandra-3.11/NEWS.txt#L1169-L1178 I assume you

Re: Cassandra tools are missing

`yum install cassandra-tools` You should also upgrade to 3.11.4 when you can, there are a number of important bug fixes since 3.11.0. Kind regards, Michael On 6/24/19 10:04 PM, Nandakishore Tokala wrote: HI , we installed cassandra-3.11.0 on centos -7  and i see only below tools, sstableloa

Re: Cassandra tools are missing

mcast-neto-io-x86_64                                                        | 2.6 kB  00:00:00 No package cassandra-tools available. Error: Nothing to do it is giving below error On Mon, Jun 24, 2019 at 8:11 PM Michael Shuler <mailto:mich...@pbandjelly.org>> wrote: `yum install cassandra-tools` You should also upgrade

Re: cassandra does not start with new systemd version

Please, submit a JIRA, marking as blocker for fixver 4.0 - attaching a working service file to the JIRA would be most appreciated. Thanks! -- Michael On 8/9/19 10:04 AM, a.yats...@rtk-dc.ru wrote: > Hi. > > After update systemd with  fixed > vulnerability https://access.redhat.com/security/cve/

[RELEASE] Apache Cassandra 4.0-alpha1 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-alpha1. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of

[RELEASE] Apache Cassandra 2.2.15 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.15. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of sou

[RELEASE] Apache Cassandra 3.0.19 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.19. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of sou

[RELEASE] Apache Cassandra 3.11.5 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.11.5. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of sou

[RELEASE] Apache Cassandra 4.0-alpha2 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 4.0-alpha2. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of

Re: Where to get old RPMs?

On 10/30/19 12:39 PM, Reid Pinchback wrote: With the latest round of C* updates, the yum repo no longer has whatever the previous version is. For environments that try to do more controlled stepping of release changes instead of just taking the latest, is there any URL for previous versions of R

[RELEASE] Apache Cassandra 2.2.8 released

* NOTICE * This is the first release signed with key 0xA278B781FE4B2BDA by Michael Shuler. Debian users will need to add the key to `apt-key` and the process has been updated on https://wiki.apache.org/cassandra/DebianPackaging and patch created for source docs. Either method will work

[RELEASE] Apache Cassandra 3.8 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.8. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source and

[RELEASE] Apache Cassandra 3.9 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.9. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source and

Docs Contribution (was: Re: [RELEASE] Apache Cassandra 3.9 released)

On 09/29/2016 04:08 PM, Dorian Hoxha wrote: > So how does documentation work? Example: I'm interested in Change Data > Capture. The documentation is in-tree, under doc/source, so create a patch and upload it to a JIRA, just as any source change. :) The docs on patches do have testing details, so

[RELEASE] Apache Cassandra 2.1.16 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 2.1.16. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

Re: Can not delete record with counter column in a batch.

On 10/13/2016 08:11 PM, Alexei Levashov wrote: > Previously I did it in a logged batch without any issues but upgrading > from Cassandra 1.2.x to 2.1 brings the following Exception message: > "Error executing batch. Message: Cannot include a counter statement in a > logged batch" > > Question: >

Re: cqlsh fails to connect

It may be possible that you were using the old version of cqlsh? `which cqlsh` on your upgraded nodes might point to the old install path, or a copied version somewhere in your $PATH, perhaps. Doing a fresh install and checking was a good idea, and it does show that using the current version shoul

Re: Storing videos in cassandra

Forward thinking, I would also suggest not storing the full URL, just the video ID of some sort. The application code can create the URL as needed, using the ID. If the full URL is stored in Cassandra and some day in the future, the video file storage system needs to be changed, this would require

[RELEASE] Apache Cassandra 3.0.10 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.10. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

RPM builds in-tree now

I know there are some RPM users out there, so I've committed a redhat/ directory and tested build/install/service on CentOS 7 from the resulting packages on the following branches: - cassandra-2.1 - cassandra-2.2 - cassandra-3.0 - cassandra-3.11 - cassandra-3.X - trunk I need to work on getting R

Re: Why does Cassandra recommends Oracle JVM instead of OpenJDK?

On 12/21/2016 08:38 AM, Eric Evans wrote: > I don't really have any opinions on Oracle per say, but Cassandra is a > Free Software project and I would prefer that we not depend on > commercial software, (and that's kind of what we have here, an > implicit dependency). Just a bit of clarification.

Re: Cassandra 4.0

On 01/17/2017 05:43 AM, Artem Rokhin wrote: > Do you have any estimates for Cassandra 4.0 release? Follow the dev@ mailing list for info on upcoming release votes and other release discussion. http://mail-archives.apache.org/mod_mbox/cassandra-dev/ -- Kind regards, Michael

[RELEASE] Apache Cassandra 3.10 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.10. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source and

Re: 'ResultSet' object has no attribute 'column_types'

On 02/04/2017 03:46 AM, Jonathan Ness wrote: > We upgraded our Linux test cluster from 3.9 to 3.10 tonight and now we > are unable to use cqlsh to select rows from any table. > > [cqlsh 5.0.1 | Cassandra 3.10 | CQL spec 3.4.4 | Native protocol v4] > Use HELP for help. > cqlsh> select * from verami

Re: How does cassandra achieve Linearizability?

If you require the best precision you can get, setting up a pair of stratum 1 ntpd masters in each data center location with a GPS modules is not terribly complex. Low latency and jitter on servers you manage. 140ms is a long way away network-wise, and I would suggest that was a poor choice of upst

Re: How does cassandra achieve Linearizability?

his with a raspberry pi: http://www.satsignal.eu/ntp/Raspberry-Pi-NTP.html -- Michael > On Thu, Feb 9, 2017 at 5:09 PM, Michael Shuler <mailto:mich...@pbandjelly.org>> wrote: > > If you require the best precision you can get, setting up a pair of > stratum 1 ntpd mas

Re: Nodetool cleanup error - cannot run before a node has joined the ring

By default, yes, nodetool connects to localhost, which your log entries show. Use `nodetool -h $PRIV_IP cleanup ...` to connect to that private IP it's listening on. `nodetool help cleanup` for all options. -- Kind regards, Michael On 02/10/2017 02:22 PM, Simone Franzini wrote: > I am running DS

[RELEASE] Apache Cassandra 2.1.17 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 2.1.17. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 3.0.11 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 3.0.11. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

[RELEASE] Apache Cassandra 2.2.9 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.9. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source an

Re: How does cassandra achieve Linearizability?

*nothing* except the timestamp >>>>> is used as a tiebreaker. Here >>>>> we acknowledge things like the >>>>> speed of light as being a real &

Re: [RELEASE] Apache Cassandra 3.0.11 released

> >>http://dl.bintray.com/apache/cassandra/pool/main/c/cassandra/ < >> http://dl.bintray.com/apache/cassandra/pool/main/c/cassandra/> >> >> But it requires to manually download and put them back to the apt cache. >> >> It is quite handy for point r

Re: A Single Dropped Node Fails Entire Read Queries

I may be mistaken on the exact configuration option for the timeout you're hitting, but I believe this may be the general `request_timeout_in_ms: 1` in conf/cassandra.yaml. A reasonable timeout for a "node down" discovery/processing is needed to prevent random flapping of nodes with a super sh

[RELEASE] Apache Cassandra 3.0.12 released

) https://goo.gl/sc8BvB [2]: (NEWS.txt) https://goo.gl/S5gpKA [3]: https://issues.apache.org/jira/browse/CASSANDRA -- Warm regards, Michael Shuler signature.asc Description: OpenPGP digital signature

Re: Is there a way to remove a node with Opscenter?

On 07/07/2015 07:27 PM, Robert Coli wrote: On Tue, Jul 7, 2015 at 4:39 PM, Sid Tantia mailto:sid.tan...@baseboxsoftware.com>> wrote: I tried both `nodetool remove node ` and `nodetool decommission` and they both give the error: nodetool: Failed to connect to '127.0.0.1:7199

Re: Cassandra WriteTimeoutException

On 07/15/2015 02:28 AM, Amlan Roy wrote: Hi, I get the following error intermittently while writing to Cassandra. I am using version 2.1.7. Not sure how to fix the actual issue without increasing the timeout in cassandra.yaml. Post your data model, query, and maybe some cluster config basics

Re: Upgraded to Cassandra 2.2.0 nodes not seeing each other

On 07/22/2015 04:45 PM, Carlos Scheidecker wrote: I have a 4 node Cassandra system running on 4 Ubuntu boxes. After updating to Cassandra 2.2.0 and keeping the same cassandra.yaml file, the nodes cannot see each other. What version did you upgrade from? Usually, when upgrading, it is probably

Re: Upgraded to Cassandra 2.2.0 nodes not seeing each other

se for the specific language governing permissions and # limitations under the License. # Cassandra Node IP=Data Center:Rack 192.168.1.31=DC1:RAC1 192.168.1.32=DC1:RAC1 192.168.1.33=DC1:RAC1 192.168.1.34=DC1:RAC1 # default for unknown nodes default=DC1:RAC1 On Wed, Jul 22, 2015 at 5:23 PM

Re: Manual Indexing With Buckets

On 07/28/2015 07:54 PM, Anuj Wadehra wrote: Any more thoughts ? Anyone? You could help others try to help you by including details, as previously asked: *From*:"sean_r_dur...@homedepot.com" *Date*:Fri, 24 Jul, 2015 at 5:39 pm It is a bit hard to follow. Perhaps you could include your prop

DATASTAX COMMUNITY DEBIAN REPOSITORY ADVISORY - August 6, 2015

I'm passing this along from the DataStax Support folks. This shouldn't affect new installs, since the install instruction will pull the new expiry, but for users that already have a DSC/DSE Debian repository configured, apt-get update/install will warn about the expired key after 8/13. curl

Re: 'no such object in table'

On 08/25/2015 02:19 PM, Jason Lewis wrote: I'm trying to run nodetool from one node, connecting to another. I can successfully connect to the majority of nodes in my ring, but two nodes throw the following error. nodetool: Failed to connect to ':7199' NoSuchObjectException: 'no such object in t

Re: Cassandra certification

On 10/02/2015 09:11 PM, Renato Perini wrote: What credibility can have a certification with a non disclosure agreement? Many (most?) technical certifications require signing and NDA agreeing to not disclose the test material. Cisco and RedHat certification tests that I have taken both require

Re: Node won't go away

On 10/08/2015 10:27 AM, Robert Wille wrote: nodetool status doesn’t list it, but its still in system.peers, and OpsCenter still shows it. When I run nodetool removenode, it says that it can’t find the node. How do I completely get rid of it? https://twitter.com/faltering/status/559845791741657

Re: reiserfs - DirectoryNotEmptyException

On 10/13/2015 01:58 PM, Modha, Digant wrote: I am running Cassandra 2.1.10 and noticed intermittent DirectoryNotEmptyExceptions during repair. My cassandra data drive is reiserfs. Why? I'm genuinely interested in this filesystem selection, since it is unmaintained, has been dropped from some m

Re: reiserfs - DirectoryNotEmptyException

On 10/14/2015 05:02 PM, Michael Shuler wrote: I think Al Tobey had a slide deck on filesystem tuning for C*, but I didn't find it quickly. Right! Al included this in his tuning guide: https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html -- Michael

Re: Cassandra 2.2.1 stuck at 100% on Windows

On 10/16/2015 12:02 PM, Alaa Zubaidi (PDF) wrote: No OOM in any of the log files, and NO long GC at that time. I attached the last 2 minutes before it hangs until we restart cassandra after hour an half. Your logs show gossip issues with some seed nodes. `nodetool gossipinfo` on all nodes migh

Re: BEWARE https://issues.apache.org/jira/browse/CASSANDRA-9504

On 10/19/2015 10:55 AM, Graham Sanderson wrote: If you had Cassandra 2.0.x (possibly before) and upgraded to Cassandra 2.1, you may have had commitlog_sync: batch commitlog_sync_batch_window_in_ms: 25 in you cassiandra.yaml It turned out that this was pretty much broken in 2.0 (i.e. fsyncs j

Re: Changing nodes ips

On 10/20/2015 03:13 PM, Cyril Scetbon wrote: I'm trying to migrate from ipv4 to ipv6 for those communications. I tried to follow a similar procedure as the one used at CASSANDRA-8382

Re: Is replication possible with already existing data?

On 10/22/2015 10:14 PM, Ajay Garg wrote: However, CAS11 refuses to come up now. Following is the error in /var/log/cassandra/system.log :: ERROR [main] 2015-10-23 03:07:34,242 CassandraDaemon.java:391 - Fatal configuration error o

Re: nodetool upgradesstables skip major version

On 10/30/2015 11:12 PM, Xu Zhongxing wrote: Can I run nodetool upgradesstables after updating a Cassandra 2.0 node directly to Cassandra 3.0? Or do I have to upgrade to 2.1 and then upgrade to 3.0? https://github.com/apache/cassandra/blob/cassandra-3.0/NEWS.txt -- Kind regards, Michael

Re: Does datastax java driver works with ipv6 address?

On 11/04/2015 11:17 AM, Dikang Gu wrote: I have ipv6 only cassandra cluster, and I'm trying to connect to it using java driver, like: Inet6Address inet6 = (Inet6Address) InetAddress.getByName("2401:db00:0011:60ed:face::0031:"); cluster = Cluster.builder().addContactPointsWithPorts(Array

Re: Generalized download link?

On 11/16/2015 04:24 PM, John Wong wrote: Obviously you will get a better answer from someone directly with datastax... but IMO, I would look to either The ASF handles the Apache Cassandra download infrastructure, not DataStax. (I work for DataStax, fyi) I believe the OP is asking about links

Re: Devcenter & C* 3.0 Connection Error.

On 11/16/2015 04:56 PM, Bosung Seo wrote: Hi guys, Doesn't Devcenter support C* 3.0? When I tried to use Devcenter with C* 3.0, I got this error. The specified host(s) could not be reached. All host(s) tried for query failed (tried: /{ipaddress}:9042 (com.datastax.driver.core.exceptions.Invali

Re: Unable to add nodes / awaiting patch.

On 12/02/2015 01:54 PM, Jeff Ferland wrote: > Looks like we’re hit > by https://issues.apache.org/jira/browse/CASSANDRA-10012. Not knowing a > better place to ask, when will the next version of 2.1.x Cassandra be > cut and the following DSE fix cut from there? Could DSE cut an > in-between version

Re: Getting a lot of "nothing needed to be retained" INFO

On 12/03/2015 03:49 PM, John Wong wrote: > Hi > > I am on Cassandra 1.2.19 and we are running OpsCenter 5.1.4 (and agent > 5.1.4). > > We recently started to observe high load occurring in our dev cluster. > There was some small spikes in terms of amount of requests going into > the cluster so we

Re: Better setup to start using in production on one server

On 12/14/2015 05:46 AM, Vladimir Prudnikov wrote: > I have one dedicated server This might be OK as a dev/test set up, but defeats the purpose of a distributed database for production use. -- Kind regards, Michael

Re: Unable to start Cassandra

On 12/30/2015 10:56 AM, Nandakishore Arvapaly wrote: > In one of the cassandra tutorials, it says to set the JAVA_HOME with > /usr/local/java/jdk1.8.0_65 > I did that but faced the below message when i'm trying to start the > cassandra with this command "bin/cassandra -f" > "Cassandra 3.0 and later

Re: opscenter doesn't work with cassandra 3.0

On 01/06/2016 01:47 AM, Wills Feng wrote: > Looks like opscenter doesn't support cassandra 3.0? This is correct. OpsCenter does not support Cassandra >= 3.0. -- Michael

Re: opscenter doesn't work with cassandra 3.0

On 01/06/2016 10:55 AM, Michael Shuler wrote: > On 01/06/2016 01:47 AM, Wills Feng wrote: >> Looks like opscenter doesn't support cassandra 3.0? > > This is correct. OpsCenter does not support Cassandra >= 3.0. It took me a minute to find the correct document: http

Re: Slow performance after upgrading from 2.0.9 to 2.1.11

On 01/06/2016 03:57 PM, Peddi, Praveen wrote: > This blog > > claims Cassandra is now 50% faster. We are obviously not seeing that. That post compared cassandra-stress write on versions 2.0 and 2.1, each on a single AWS c3.8xlarge

Re: Using CCM with Opscenter and manual agent installation

On 01/07/2016 02:09 AM, Giampaolo Trapasso wrote: > I've configured all the four agents. For example /agent3/ configuration is > > |[Giampaolo]: ~/opscenter/> cat agent3/conf/address.yaml stomp_interface: > "127.0.0.1" agent_rpc_interface: 127.0.0.3 jmx_host: 127.0.0.3 jmx_port: > 7300 | This loo

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