What Erick said. That error in particular implies you aren't setting all
256 tokens in initial_token
SOME ONE HELP ME GET STARTED WITH CASSANDRA IN WINDOWS
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On Thu, Aug 31, 2017 at 10:14 AM, Lutaya Shafiq Holmes <
lutayasha...@gmail.com> wrote:
> SOME ONE HELP ME GET STARTED WITH CASSANDRA IN WINDOWS
Given your user profile picture I've freaked out for a second thinking it's
the 45th president of US is shouting at us to get started with Cassandra...
I am running a cluster with 3 nodes. Then it occurs the following errors. After
I restart one node, the error happens again.
I don’t know why. Who Can help me ? Thank you !!
ERROR [ReadStage-31] 2017-08-31 15:08:20,878 JVMStabilityInspector.java:141 -
JVM state determined to be unstable. Ex
Can you tell us what version you are on?
-Original Message-
From: qf zhou [mailto:zhouqf2...@gmail.com]
Sent: 31 August 2017 10:52
To: user@cassandra.apache.org
Subject: Cassandra - Nodes can't restart due to java.lang.OutOfMemoryError:
Direct buffer memory
I am running a cluster with 3
I am usingCassandra 3.9 with cqlsh 5.0.1.
> 在 2017年8月31日，下午5:54，Jonathan Baynes 写道：
>
> again
I wonder if its related to this bug (below) that’s currently unresolved,
albeit it being reproduced way back in 2.1.11
https://issues.apache.org/jira/browse/CASSANDRA-10689
From: qf zhou [mailto:zhouqf2...@gmail.com]
Sent: 31 August 2017 10:58
To: user@cassandra.apache.org
Subject: Re: Cassand
What version of java are you running? There is a "kinda leak" in jvm around
this you may run into, can try with -Djdk.nio.maxCachedBufferSize=262144 if
above 8u102. You can also try increasing the size allowed for direct byte
buffers. It defaults to size of heap -XX:MaxDirectMemorySize=?G
Some NIO
I double checked that I am setting all 256 tokens, verified manually.
When I start Cassandra with empty data directory is startsup fine. now if I
restart the Cassandra without making any changes it won't start and give
same error
I captured the nodetool status and nodetool ring and compare the to
Hello All,
I have a 6 node ring with 3 nodes in DC1 and 3 nodes in DC2. I ssh into node5
on DC2 was in a “DN” state. I ran “nodetool repair”. I’ve had this situation
before and ran “nodetool repair -dc DC2”. I’m trying what if anything is
different between those commands. What are they actuall
Specifying a dc will only repair the data in that dc. If you leave out the dc
flag, it will repair data in both dcs. You probably shouldn't be restricting
repair to one dc without a good rationale for doing so.
On August 31, 2017 at 8:56:24 AM, Harper, Paul (paul.har...@aspect.com) wrote:
Hello
What do you recommend on taking this node out of the cluster, a decommission or
a removenode? Since the communication between nodes is getting invalid gossip
generation messages I would think a decommission might not be effective.
Thanks
Mark
801-705-7115 office
From: Erick Ramirez [mailto:flig
That's the value version. Gossip uses versioned values to work out which piece
of data is the most recent. Each node has it's own highest version, so I don't
think it's unusual for that to be different for different nodes. When you say
the node crashes, do you mean the process dies?
On August 2
Hey Kurt,
Thanks for your reply.
Soon as the whole cluster was upgraded (using existing nodes) it worked
pretty well. After a while, the high cpu usage/ pending compactions was
back affecting all cluster.
It's still an open problem.
2017-08-21 20:24 GMT-03:00 kurt greaves :
> Why are you adding
What is your GC_GRACE_SECONDS ?
What kind repair option do you use for nodetool repair on a keyspace ?
Did you start the repair on one node? did you use nodetool repair -pr ? or
just "nodetool repair keyspace" ? How many nodetool repair processes do you
use on the nodes?
On Sun, Jul 30, 2017 a
I am not sure which version of Netty is in 3.9, but maybe you are hitting
https://issues.apache.org/jira/browse/CASSANDRA-13114. I hit this in
Cassandra 3.0.9 which uses Netty 4.0.23. Here is the upstream netty ticket
https://github.com/netty/netty/issues/3057.
On Thu, Aug 31, 2017 at 10:15 AM, Ch
Hello All,
I am looking to capture the CF level Read, Write count and Latency. As of
now I am using Telegraf plugin to capture the JMX metrics.
What is the MBeans, scope and metric to look for the CF level metrics?
Hello Jai,
Did you have a look at the following page:
http://cassandra.apache.org/doc/latest/operating/metrics.html
In your case, you would want the following MBeans:
org.apache.cassandra.metrics:type=Table keyspace= scope=
name=
With MetricName set to ReadLatency and WriteLatency
Cheers,
Chris
I did look at the document and tried setting up the metric as following,
does this is not matching with the total read requests. I am using
"ReadLatency_OneMinuteRate"
/org.apache.cassandra.metrics:type=ColumnFamily,keyspace=*,scope=*,name=ReadLatency
On Thu, Aug 31, 2017 at 4:17 PM, Christophe S
Hi Jai,
The ReadLatency MBean expose a few metrics, including the count one, which
is the total read requests you are after.
See attached screenshot
Cheers,
Christophe
On 1 September 2017 at 09:21, Jai Bheemsen Rao Dhanwada <
jaibheem...@gmail.com> wrote:
> I did look at the document and tried
okay, let me try it out
On Thu, Aug 31, 2017 at 8:30 PM, Christophe Schmitz <
christo...@instaclustr.com> wrote:
> Hi Jai,
>
> The ReadLatency MBean expose a few metrics, including the count one, which
> is the total read requests you are after.
> See attached screenshot
>
> Cheers,
>
> Christoph
I am using a cluster with 3 nodes and the cassandra version is 3.0.9. I have
used it about 6 months. Now each node has about 1.5T data in the disk.
I found some sstables file are over 300G. Using the sstablemetadata command,
I found it: Estimated droppable tombstones: 0.9622972799707109.
User defined compaction to do a single sstable compaction on just that sstable
It's a nodetool command in very recent versions, or a jmx method in older
versions
--
Jeff Jirsa
> On Aug 31, 2017, at 11:04 PM, qf zhou wrote:
>
> I am using a cluster with 3 nodes and the cassandra version
dataPath=/hdd3/cassandra/data/gps/gpsfullwithstate-073e51a0cdb811e68dce511be6a305f6/mc-100963-big-Data.db
echo "run -b org.apache.cassandra.db:type=CompactionManager
forceUserDefinedCompaction $dataPath" | java -jar
/opt/cassandra/tools/jmx/jmxterm-1.0-alpha-4-uber.jar -l localhost:7199
In th
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