OK, thanks you.
De : kurt greaves [mailto:k...@instaclustr.com]
Envoyé : mardi 19 septembre 2017 06:35
À : User
Objet : Re: ConsitencyLevel and Mutations : Behaviour if the update of the
commitlog fails
Does the coordinator "cancel" the mutation on the "committed" nodes (and how)?
No. Those
Hi Cassandra users,
I have a question about the ConsistencyLevel and the MUTATION operation.
According to the write path documentation, the first action executed by a
replica node is to write the mutation into the commitlog, the mutation is
ACK only if this action is performed.
I suppose that
Hi,
I’m not a Cassandra expert but according this reference :
http://docs.datastax.com/en/landing_page/doc/landing_page/planning/planningHardware.html#planningHardware__capacity-per-node
You already reached (even exceeded) the recommended limit for HDD.
As usual, I guess the maximum limits
Hi,
I configured this reporter recently thought the Apache Cassandra v2.1.x and I
had no troubles.
Here is some points to check :
- The directory “/etc/dse/Cassandra” has to be in the classpath (I’m
not a DSE user so I don’t know if it is already the case.)
- If the
JVM settings about the heap
Default settings
- Execution time of the GC
Avg. 400ms. I do not see long pauses of GC anywhere in the log file.
On Tue, Sep 22, 2015 at 5:34 AM, Leleu Eric
<eric.le...@worldline.com<mailto:eric.le...@worldline.com>> wrote:
Hi,
Before sp
Hi,
Before speaking about tuning, can you provide some additional information ?
- Number of req/s
- Schema details
- JVM settings about the heap
- Execution time of the GC
43ms for a read latency may be acceptable according to the number of request
per
Hi,
I'm not a Mongo user and I never used the Cassandra UDF feature but I found
this (You may have already found it):
https://issues.apache.org/jira/browse/CASSANDRA-8488
Eric
-Message d'origine-
De : Michael Scriney [mailto:mscri...@computing.dcu.ie]
Envoyé : mercredi 16 septembre
On Sep 23, 2014, at 12:48 PM, Leleu Eric
eric.le...@worldline.commailto:eric.le...@worldline.com wrote:
First of all, Thanks for your help ! :)
Here is some details :
With RF=N=2 your essentially testing a single machine locally which isnt the
best indicator long term
I will test
that may throw some profilers off, it may
be a red haring.
---
Chris Lohfink
On Sep 22, 2014, at 11:39 AM, Leleu Eric
eric.le...@worldline.commailto:eric.le...@worldline.com wrote:
Hi,
I'm currently testing Cassandra 2.0.9 (and since the last week 2.1) under some
read heavy load...
I
Lohfink
On Sep 23, 2014, at 9:39 AM, Leleu Eric
eric.le...@worldline.commailto:eric.le...@worldline.com wrote:
I tried to run “cassandra-stress” on some of my table as proposed by Jake
Luciani.
For a simple table, this tool is able to perform 8 read op/s with a few CPU
consumption if I request
Hi,
I'm currently testing Cassandra 2.0.9 (and since the last week 2.1) under some
read heavy load...
I have 2 cassandra nodes (RF : 2) running under CentOS 6 with 16GB of RAM and 8
Cores.
I have around 93GB of data per node (one Disk of 300GB with SAS interface and a
Rotational Speed of
Hi,
I'm trying to understand what is the liveRatio and if I have to care about it.
I found some reference on the web and if I understand them, the liveRatio
represents the Memtable size divided by the amount of data serialized on the
disk. Is it the truth?
When I see the following log, what
Hi,
I'm new with Cassandra and I wondering what is the best design for my case.
I have a set of buckets that contain one or thousands of contents.
Here is my Content CF :
CREATE TABLE IF NOT EXISTS contents (tenantID varchar,
key varchar,
type varchar,
bucket varchar,
solutions and takes the approach
giving you the best results. Be careful with benchmarks, it should be
representative of the data pattern you likely have in production.
On Fri, Aug 22, 2014 at 7:47 AM, Leleu Eric
eric.le...@worldline.commailto:eric.le...@worldline.com wrote:
Hi,
I'm new with Cassandra
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