Re: [EXTERNAL] Re: cold vs hot data

2018-09-19 Thread Alaa Zubaidi (PDF)
y > > > > -Original Message- > From: Mateusz > Sent: Friday, September 14, 2018 2:40 AM > To: user@cassandra.apache.org > Subject: [EXTERNAL] Re: cold vs hot data > > On piątek, 14 września 2018 02:46:43 CEST Alaa Zubaidi (PDF) wrote: > > The data can grow to +100T

Re: cold vs hot data

2018-09-19 Thread Alaa Zubaidi (PDF)
Let me check lvmcache..Thanks On Thu, Sep 13, 2018 at 11:39 PM, Mateusz wrote: > On piątek, 14 września 2018 02:46:43 CEST Alaa Zubaidi (PDF) wrote: > > The data can grow to +100TB however the hot data will be in most cases > less > > than 10TB but we still need to kee

Re: cold vs hot data

2018-09-19 Thread Alaa Zubaidi (PDF)
taclustr> > > Read our latest technical blog posts here > <https://www.instaclustr.com/blog/>. > > This email has been sent on behalf of Instaclustr Pty. Limited (Australia) > and Instaclustr Inc (USA). > > This email and any attachments may contain confidential and legally &g

cold vs hot data

2018-09-13 Thread Alaa Zubaidi (PDF)
Hi, We are using Apache Cassandra 3.11.2 on RedHat 7 The data can grow to +100TB however the hot data will be in most cases less than 10TB but we still need to keep the rest of data accessible. Anyone has this problem? What is the best way to make the cluster more efficient? Is there a way to

Re: overhead of empty tables

2018-02-15 Thread Alaa Zubaidi (PDF)
gt; en/cassandra/3.0/cassandra/dml/dmlHowDataWritten.html > > Dinesh > > > On Thursday, February 15, 2018, 3:34:49 PM PST, Alaa Zubaidi (PDF) < > alaa.zuba...@pdf.com> wrote: > > > Is there any overhead if my keyspace contains many empty tables? > Thanks > Alaa

overhead of empty tables

2018-02-15 Thread Alaa Zubaidi (PDF)
Is there any overhead if my keyspace contains many empty tables? Thanks Alaa -- *This message may contain confidential and privileged information. If it has been sent to you in error, please reply to advise the sender of the error and then immediately permanently delete it and all attachments

Re: Migrate from Windows to Linux

2018-01-27 Thread Alaa Zubaidi (PDF)
this specific > case it might fail. > > C*heers, > --- > Alain Rodriguez - @arodream - al...@thelastpickle.com > France / Spain > > The Last Pickle - Apache Cassandra Consulting > http://www.thelastpickle.com > > > 2018-01-26 20:49 GMT+0

Migrate from Windows to Linux

2018-01-26 Thread Alaa Zubaidi (PDF)
Hi, What is the best way to migrate my Cassandra 2.x cluster from Windows to Linux? - Can I mix Windows and linux nodes in the same cluster? bring linux node one by one, and shutdown windows nodes one by one? - Can I use multiple racks feature? how would this work? - Other ideas? Regards. Alaa

Bring 2 nodes down

2017-12-14 Thread Alaa Zubaidi (PDF)
Hi, I have a cluster of 8 Nodes, 4 physical machines 2 VMs each physical machine. RF=3, and we have read/write with QUORUM consistency requirement. One of the machines needs to be down for an hour or two to fix local disk. What is the best way to do that with out losing data? Regards -- Alaa --

Re: Corrupt SSTABLE over and over

2016-08-12 Thread Alaa Zubaidi (PDF)
t Windows? (Trying to make sure its not just the >> host). YMMV but in the past Windows was somewhat of a neglected platform >> wrt Cassandra. I think you'd have a lot easier time getting help if running >> Linux is an option here. >> >> >> >> On Fri, Au

Re: Corrupt SSTABLE over and over

2016-08-12 Thread Alaa Zubaidi (PDF)
irst i > try nodetool scrub, still persist, then offline sstablescrub still > persist, wipe the node and it happen again, then i change the hardware > (disk and mem). things went good. > > hth > > jason > > > On Fri, Aug 12, 2016 at 9:20 AM, Alaa Zubaidi (PDF) > &l

Re: Corrupt SSTABLE over and over

2016-08-12 Thread Alaa Zubaidi (PDF)
] Is it possible Cassandra is trying to compact the same file again while its being compacted by another process? Regards, Alaa On Thu, Aug 11, 2016 at 6:20 PM, Alaa Zubaidi (PDF) <alaa.zuba...@pdf.com> wrote: > Hi, > > I have a 16 Node cluster, Cassandra 2.2.1 on Windows, loc

Corrupt SSTABLE over and over

2016-08-11 Thread Alaa Zubaidi (PDF)
ted with service-specific error Cannot create another system semaphore. I could not find any thing regarding that error, all comments point to application log. Any help is appreciated.. -- Alaa Zubaidi -- *This message may contain confidential and privileged information. If it has been sen

Re: nodetool -h fails Connection refused

2016-04-20 Thread Alaa Zubaidi (PDF)
te.password.template > > > > On Tue, Apr 19, 2016 at 8:40 PM, Alaa Zubaidi (PDF) <alaa.zuba...@pdf.com> > wrote: > >> Hi, >> >> I am trying to run nodetool remotely. but its not working: >> I am running Cassandra 2.2.5 on CentOS 6. >> listen_addres

nodetool -h fails Connection refused

2016-04-19 Thread Alaa Zubaidi (PDF)
Hi, I am trying to run nodetool remotely. but its not working: I am running Cassandra 2.2.5 on CentOS 6. listen_address: is set to rpc_address: is set to 0.0.0.0 broadcast_rpc_address: is set to I changed the following in cassadnra-env.sh JVM_OPTS="$JVM_OPTS -Djava.rmi.server.hostname="

Re: Cassandra 2.2.1 on Windows (disk_access_mode: mmap_index_only)

2015-10-30 Thread Alaa Zubaidi (PDF)
. Thanks, On Wed, Oct 28, 2015 at 1:57 PM, Alaa Zubaidi (PDF) <alaa.zuba...@pdf.com> wrote: > Thanks Rob, > We are using 7GB JVM on a 32GB RAM VM > Alaa > > On Wed, Oct 28, 2015 at 11:18 AM, Robert Coli <rc...@eventbrite.com> > wrote: > >> On Tue, Oct 27, 2015 at

Re: Cassandra 2.2.1 on Windows

2015-10-28 Thread Alaa Zubaidi (PDF)
Thanks Rob, We are using 7GB JVM on a 32GB RAM VM Alaa On Wed, Oct 28, 2015 at 11:18 AM, Robert Coli <rc...@eventbrite.com> wrote: > On Tue, Oct 27, 2015 at 8:47 PM, Alaa Zubaidi (PDF) <alaa.zuba...@pdf.com> > wrote: > >> We have Cassandra 2.2.1 on Windows 2008R2-64

Re: Cassandra 2.2.1 stuck at 100% on Windows

2015-10-27 Thread Alaa Zubaidi (PDF)
It was a process installed by IT that triggered this, when disabling the process everything went to normal. Thanks. Alaa On Fri, Oct 16, 2015 at 11:32 AM, Alaa Zubaidi (PDF) <alaa.zuba...@pdf.com> wrote: > Thanks guys, > I will look into this more, and put an update here, if I f

Cassandra 2.2.1 on Windows

2015-10-27 Thread Alaa Zubaidi (PDF)
Hi, We have Cassandra 2.2.1 on Windows 2008R2-64-bit. We are noticing that during compaction Cassandra consumes all the available memory for the VM and bring the VM to a crawl. compaction settings are default, and we are using sized tiered compaction. When investigating this, we find through

Re: Cassandra 2.2.1 stuck at 100% on Windows

2015-10-16 Thread Alaa Zubaidi (PDF)
> > We should be able to at least link up the TID to the hex thread # in the > jstack output to figure out who/what is spinning on there. > > On Fri, Oct 16, 2015 at 1:28 PM, Michael Shuler <mich...@pbandjelly.org> > wrote: > >> On 10/16/2015 12:02 PM, Alaa Zu

Re: Cassandra 2.2.1 stuck at 100% on Windows

2015-10-16 Thread Alaa Zubaidi (PDF)
esult of GC failure and/or OOM. > > Check your logs for OOM and long GCs. > > Also FWIW you are among a relatively small group of Windows operators. > Other than with the people working at datastax to support Windows, there is > not a whole lot of well understood operational bes

Cassandra 2.2.1 stuck at 100% on Windows

2015-10-15 Thread Alaa Zubaidi (PDF)
Hi, We are running Cassandra 2.2.1 on Windows 2008R2, and we see that multiple Nodes are stuck at 100% CPU bringing the whole VM to a halt. We suspect that there is another process that IT/Windows is causing the CPU issue, but the problem is Cassandra does NOT recover, the CPU utilization start

Cassandra 2.2.1 stuck at 100% on Windows

2015-10-15 Thread Alaa Zubaidi (PDF)
Hi, We are running Cassandra 2.2.1 on Windows 2008R2, and we see that multiple Nodes are stuck at 99% CPU bringing the whole VM to a halt. We suspect that there is another process that IT/Windows is causing the CPU issue, but the problem is Cassandra does NOT recover, the CPU utilization start

Spark partitions from CassandraRDD

2015-09-02 Thread Alaa Zubaidi (PDF)
Hi, I testing Spark and Cassandra, Spark 1.4, Cassandra 2.1.7 cassandra spark connector 1.4, running in standalone mode. I am getting 4000 rows from Cassandra (4mb row), where the row keys are random. .. sc.cassandraTable[RES](keyspace,res_name).where(res_where).cache I am expecting that it

Re: CQL Data Model question

2015-05-14 Thread Alaa Zubaidi (PDF)
when you import to the table : One line in Oracle table with K filters become C(3, K) lines in C* table. Best regards, Minh *From:* Alaa Zubaidi (PDF) [mailto:alaa.zuba...@pdf.com] *Sent:* lundi 11 mai 2015 20:32 *To:* user@cassandra.apache.org *Subject:* CQL Data Model question Hi

CQL Data Model question

2015-05-11 Thread Alaa Zubaidi (PDF)
Hi, I am trying to port an Oracle Table to Cassandra. the table is a wide table (931 columns) and could have millions of rows. name, filter1, filter2filter30, data1, data2...data900 The user would retrieve multiple rows from this table and filter (30 filter columns) by one or more (up to 3)

Cassandra on Window with SCOM running

2015-01-14 Thread Alaa Zubaidi (PDF)
Hi, We are running an Old version of Cassandra 0.7.4 on Windows At one point, the average read times is 2.1 seconds when SCOM (System Center Operation Manager) is running, and 0.04 seconds when its disabled. The problem is we CANNOT disable SCOM on these Windows VMs. Any have seen this before?

Cassandra Caused by: UnavailableException()

2014-03-17 Thread Alaa Zubaidi (PDF)
Hi, We have an 8 Node 1.0.10 Cassandra cluster with Replication of 3, running on customer location, they all should be in the same DC, but we are NOT 100% sure. We are having problem with the our own Cassandra client, the log file of the client shows many socket timeout and socket closed errors,

Cassandra Internal error processing get_slice java.lang.AssertionError

2014-03-05 Thread Alaa Zubaidi (PDF)
Hi, I have a new 8 Node cluster, and when started loading data I see the error below showing up a lot in 3 of the 8 Nodes: ERROR [Thrift:65] 2014-03-05 13:19:42,450 Cassandra.java (line 3041) Internal error processing get_slice java.lang.AssertionError at

Re: Cassandra Internal error processing get_slice java.lang.AssertionError

2014-03-05 Thread Alaa Zubaidi (PDF)
Cassandra 1.0.10 with default settings.. On Wed, Mar 5, 2014 at 4:57 PM, Robert Coli rc...@eventbrite.com wrote: On Wed, Mar 5, 2014 at 4:35 PM, Alaa Zubaidi (PDF) alaa.zuba...@pdf.comwrote: I have a new 8 Node cluster, and when started loading data I see the error below showing up a lot

Key Range

2011-09-09 Thread Alaa Zubaidi
Hi, Using 0.7.4, BOP, and RF=3, Write-QUORUM and Read-ONE NO UPDATES How does get_range_slices using Key Range works? Is it possible to get out of date list of keys? If a key is inserted into 2 Nodes and after that a read with a key range is issued, is it possible to have the 3 Node (that does

Re: Could Not connect to cassandra-cli on windows

2011-08-28 Thread Alaa Zubaidi
with node tool ? If not what error ? What about the cassandra CLI ? - Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 25/08/2011, at 2:51 AM, Alaa Zubaidi wrote: Hi Aaron, I cannot at this point of time.. Thanks for your help.. Alaa On 8/24

Re: Could Not connect to cassandra-cli on windows

2011-08-24 Thread Alaa Zubaidi
://www.thelastpickle.com On 24/08/2011, at 12:16 PM, Alaa Zubaidi wrote: Hi Aaron, We are using Thrift 5.. TSocket _tr = new TSocket(server.Host, server.Port);//localhost, 9160); _transport = new TFramedTransport(_tr); _protocol = new TBinaryProtocol(_transport

Re: Could Not connect to cassandra-cli on windows

2011-08-23 Thread Alaa Zubaidi
things work and then check you are using the same thrift version. Cheers - Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 18/08/2011, at 4:03 PM, Alaa Zubaidi wrote: Hi Aaron, Thanks for the reply. I am running 0.7.4 and NO client

Re: Could Not connect to cassandra-cli on windows

2011-08-17 Thread Alaa Zubaidi
Hi, I se this error while the application tries to connect to cassandra at the same time from 2 different threads: any clues: ERROR [pool-1-thread-13] 2011-07-29 06:46:45,718 CustomTThreadPoolServer.java (line 222) Error occurred during processing of message.

Error String index out of range and old client?

2011-08-17 Thread Alaa Zubaidi
Hi, I se this error while the application tries to connect to cassandra at the same time from 2 different threads: any clues: ERROR [pool-1-thread-13] 2011-07-29 06:46:45,718 CustomTThreadPoolServer.java (line 222) Error occurred during processing of message.

Re: Error String index out of range and old client?

2011-08-17 Thread Alaa Zubaidi
I forgot to mention that we are on 0.7.4 now... On 8/17/2011 12:31 PM, Alaa Zubaidi wrote: Hi, I se this error while the application tries to connect to cassandra at the same time from 2 different threads: any clues: ERROR [pool-1-thread-13] 2011-07-29 06:46:45,718

Re: latest rows

2011-02-16 Thread Alaa Zubaidi
behavior, yes. If that's an issue for you, make your own UUIDs by appending something random or client-specific to the timestamp. -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email

Re: latest rows

2011-02-16 Thread Alaa Zubaidi
-- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email: alaa.zuba...@pdf.com

latest rows

2011-02-15 Thread Alaa Zubaidi
Hi, What is the best way to retrieve the latest rows from a CF with OPP. We are using OPP and key range queries but I cannot find an easy way to get the latest 10 keys for example from a column family with 1000s of keys. I really don't want to create another CF to store row key names as

Re: using SimpleAuthenticator is not working

2010-11-18 Thread Alaa Zubaidi
a new testing app from scratch. Hope that helps Aaron On 18 Nov 2010, at 10:03, Alaa Zubaidi wrote: One other thing, while login() hangs when called on the server side, and nothing is logged, I see the following logged when I kill the hanged process. DEBUG 13:01:10,640 logged out: null Thanks

Re: using SimpleAuthenticator is not working

2010-11-18 Thread Alaa Zubaidi
? Any difference if you use an invalid password ? Try using Hector ? Try creating a new testing app from scratch. Hope that helps Aaron On 18 Nov 2010, at 10:03, Alaa Zubaidi wrote: One other thing, while login() hangs when called on the server side, and nothing is logged, I see the following

Re: using SimpleAuthenticator is not working

2010-11-17 Thread Alaa Zubaidi
using ? Aaron On 16 Nov, 2010,at 02:02 PM, Alaa Zubaidialaa.zuba...@pdf.com wrote: I removed the exception handling and It seems that the login() is hanging? On 11/15/2010 1:36 PM, Eric Evans wrote: On Mon, 2010-11-15 at 12:26 -0800, Alaa Zubaidi wrote: I set authority

Re: using SimpleAuthenticator is not working

2010-11-15 Thread Alaa Zubaidi
I tried both setting authority to org.apache.cassandra.auth.SimpleAuthority and AllowAllAuthority... I uncommitted the Application logging options in log4j-server.properties, is this enough? Thanks, On 11/14/2010 8:10 AM, Eric Evans wrote: On Fri, 2010-11-12 at 17:07 -0800, Alaa Zubaidi

Re: using SimpleAuthenticator is not working

2010-11-15 Thread Alaa Zubaidi
... DEBUG .. batch_mutate There is no mention to the login() and set_keyspace() methods. and no other information.. Thanks for the help On 11/15/2010 11:42 AM, Eric Evans wrote: On Mon, 2010-11-15 at 11:30 -0800, Alaa Zubaidi wrote: I tried both setting authority

Re: using SimpleAuthenticator is not working

2010-11-15 Thread Alaa Zubaidi
I removed the exception handling and It seems that the login() is hanging? On 11/15/2010 1:36 PM, Eric Evans wrote: On Mon, 2010-11-15 at 12:26 -0800, Alaa Zubaidi wrote: I set authority to SimpleAuthority and log4j.rootLogger=DEBUG,stdout,R and its still the same, the error in my application

using SimpleAuthenticator is not working

2010-11-12 Thread Alaa Zubaidi
any thing its giving me I am not logged in error. Is there any thing I am missing? Thanks, -- Alaa Zubaidi

Re: Could Not connect to cassandra-cli on windows

2010-11-09 Thread Alaa Zubaidi
idea how to connect? In the first example, are you sure Cassandra was running on port 9160 on your local machine? You could also try cassandra-cli -host hostname -port port e.g. cassandra-cli -host localhost -port 9160 Jim -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite

Could Not connect to cassandra-cli on windows

2010-11-08 Thread Alaa Zubaidi
Hi, Failing to connect to cassandra client: on windows [defa...@unknown] connect localhost/9160 Exception connecting to localhost/9160. Reason: Connection refused: connect. [defa...@unknown] connect xxx.xxx.x.xx/9160 Syntax error at position 0: no viable alternative at input 'connect'

Re: SSD vs. HDD

2010-11-04 Thread Alaa Zubaidi
not storing very large values - and I would expect compaction to be CPU bound rather than being close to saturate disk. In either case, please do report back as it's interesting to figure out what kind of performance issues people are seeing. -- / Peter Schuller -- Alaa Zubaidi PDF Solutions, Inc

Re: SSD vs. HDD

2010-11-04 Thread Alaa Zubaidi
of performance issues people are seeing. -- / Peter Schuller -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email: alaa.zuba...@pdf.com

SSD vs. HDD

2010-11-03 Thread Alaa Zubaidi
Hi, we have a continuous high throughput writes, read and delete, and we are trying to find the best hardware. Is using SSD for Cassandra improves performance? Did any one compare SSD vs. HDD? and any recommendations on SSDs? Thanks, Alaa

Re: SSD vs. HDD

2010-11-03 Thread Alaa Zubaidi
-- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email: alaa.zuba...@pdf.com

Re: SSD vs. HDD

2010-11-03 Thread Alaa Zubaidi
wrote: Hi, we have a continuous high throughput writes, read and delete, and we are trying to find the best hardware. Is using SSD for Cassandra improves performance? Did any one compare SSD vs. HDD? and any recommendations on SSDs? Thanks, Alaa -- Alaa Zubaidi PDF Solutions, Inc. 333

Re: 0.7 memory usage problem

2010-09-27 Thread Alaa Zubaidi
ops and your 60 columns per row indicates you are inserting 3000 rows/sec, Sorry, that should be _5000_ rows/sec, not 3000. b -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email

Re: 0.7 memory usage problem

2010-09-27 Thread Alaa Zubaidi
client doing the insertions? If you are maxing out without being disk bound, make sure that in addition to spreading writes across all nodes in the cluster, you are submitting writes with sufficient concurrency to allow Cassandra to scale to use available CPU across all cores. -- Alaa Zubaidi PDF

Re: 0.7 memory usage problem

2010-09-27 Thread Alaa Zubaidi
using Cassandra wrong or is it Windows? Any help is appreciated? Alaa -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email: alaa.zuba...@pdf.com

Re: 0.7 memory usage problem

2010-09-27 Thread Alaa Zubaidi
cores. -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email: alaa.zuba...@pdf.com -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel

Re: 0.7 memory usage problem

2010-09-24 Thread Alaa Zubaidi
remember whether hinted handoff has the potential to accumulate data in RAM (no time to check now). Regardless, I'd recommend fixing any swapping issues you have before trying to draw conclusions about performance. And you don't want those exceptions in your logs. -- Alaa Zubaidi PDF Solutions

Re: column expiration and rows in 0.7

2010-09-23 Thread Alaa Zubaidi
? is this true or not? Thanks, Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email: alaa.zuba...@pdf.com -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700

Re: 0.7 memory usage problem

2010-09-20 Thread Alaa Zubaidi
those exceptions in your logs. -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email: alaa.zuba...@pdf.com

Re: Cassandra 0.7 logging

2010-09-09 Thread Alaa Zubaidi
On 9/7/2010 11:43 PM, Viktor Jevdokimov wrote: We found that on Windows only log4j.properties is working for logging, not log4-server.properties -Original Message- From: Alaa Zubaidi [mailto:alaa.zuba...@pdf.com] Sent: Wednesday, September 08, 2010 7:34 AM To: user@cassandra.apache.org

Cassandra 0.7 logging

2010-09-07 Thread Alaa Zubaidi
Hi, I are testing 0.7 and I cannot find the system.log file, is there any thing I need to do in order to enable the logging? I read about the changes made to the logging in 0.7 but did not find any thing that needs to be done to enable the logging.. Regards, Alaa

Re: Cassandra 0.7 logging

2010-09-07 Thread Alaa Zubaidi
to the logging in 0.7 but did not find any thing that needs to be done to enable the logging.. Regards, Alaa -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900 x5639) fax: 408-938-6479 email: alaa.zuba...@pdf.com

Re: Cassandra 0.7 logging

2010-09-07 Thread Alaa Zubaidi
the changes made to the logging in 0.7 but did not find any thing that needs to be done to enable the logging.. Regards, Alaa -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San Jose, CA 95110 USA Tel: 408-283-5639 (or 408-280-7900

Re: Cassandra 0.7 logging

2010-09-07 Thread Alaa Zubaidi
to enable the logging? I read about the changes made to the logging in 0.7 but did not find any thing that needs to be done to enable the logging. Regards, Alaa -- Alaa Zubaidi PDF Solutions, Inc 333 West San Carlos

Errors with Cassandra 0.7

2010-08-19 Thread Alaa Zubaidi
) at rtsim.CassandraInterface.ConnectToKeyspace(CassandraInterface.java:216) at rtsim.Main.main(Main.java:308) Note: I get the following when I start Cassandra: *10/08/19 12:58:26 INFO utils.Mx4jTool: Will not load MX4J, mx4j-tools.jar is not in the classpath* -- Alaa Zubaidi

Re: Failing to create a 2 Node cluster on a Windows machine

2010-07-26 Thread Alaa Zubaidi
Jonathan Ellis wrote: I know on a mac you need to explicitly create an alias for 127.0.0.2 before it can be used. Maybe something similar applies to Windows. On Fri, Jul 23, 2010 at 11:36 AM, Alaa Zubaidi alaa.zuba...@pdf.com wrote: Hi, I am new to Cassandra, and I want to create a 2 node

Re: Failing to create a 2 Node cluster on a Windows machine

2010-07-26 Thread Alaa Zubaidi
. The Cassandra documentation on setting up a cluster implies you should not use 127.0.0.1, but that may not be the issue. *From:* Alaa Zubaidi [mailto:alaa.zuba...@pdf.com] *Sent:* Friday, July 23, 2010 11:37 AM *To:* user

Re: Failing to create a 2 Node cluster on a Windows machine

2010-07-24 Thread Alaa Zubaidi
Any insight is much appreciated.. Alaa Zubaidi wrote: Hi, I am new to Cassandra, and I want to create a 2 node cluster on the SAME machine running windows for testing my application before we get new hardware. I am facing No other nodes seen! Unable to bootstrap The first node starts

Failing to create a 2 Node cluster on a Windows machine

2010-07-23 Thread Alaa Zubaidi
) at org.apache.cassandra.service.StorageService.initServer(StorageService .java:357) at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.jav a:115) at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java :211) -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 700 San