Hi guys!
I am running cassandra 3.11.4. I dropped a column_family but I am able to see
the disk space occupied by that column_family in the disk. I understood that
since I have the auto_snapshot flag = true this behavior is expected.
However, I would like to avoid to write a dummy script that rem
Hi guys!
Let's say we have a KEY-VALUE schema
The goal is to delete the KEYS in batches without burning the cluster and be
efficient as soon as possible
I would like to know if it is better to run the query with DELETE FROM
KEY_VALUE_COLUMN_FAMILY WHERE KEY IN ('A','B','C'); At most 10 KEYS in
Hello!
I was trying to understand the below differences:
Cassandra 3.11.4
i3xlarge aws nodes
$ du -sh /mnt
123G/mnt
$ nodetool info
ID : 3647fcca-688a-4851-ab15-df36819910f4
Gossip active : true
Thrift active : true
Native Transport active: true
Load
Hi everyone!
Which function has to be used with each JMX Metric Type?
https://cassandra.apache.org/doc/latest/operating/metrics.html
https://www.datadoghq.com/blog/how-to-collect-cassandra-metrics/
For example: to compute the read latency I did a ratio between
ReadTotalLatency_Count JMX Counte
riting large partitions
> during compaction.
>
>
>
>
>
> On Thu, Nov 21, 2019 at 6:33 PM Sergio Bilello
> wrote:
>
> > Hi guys!
> > Just for curiosity do you know anything beside
> > https://github.com/tolbertam/sstable-
Hi guys!
Just for curiosity do you know anything beside
https://github.com/tolbertam/sstable-tools to find a large partition?
Best,
Sergio
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For additional commands,
02:46:01, Sergio Bilello wrote:
> Hello guys!
>
> I performed a thread dump
> https://fastthread.io/my-thread-report.jsp?p=c2hhcmVkLzIwMTkvMTAvMTcvLS1kdW1wLnR4dC0tMC0zMC00MA==&;
> while try to join the node with
>
> -Dcassandra.join_ring=false
>
> OR
> -
Rolling bounce = Rolling repair per node? Would not it be easy to be scheduled
with Cassandra Reaper?
On 2019/10/29 15:35:42, Paul Carlucci wrote:
> Copy the schema from your source keyspace to your new target keyspace,
> nodetool snapshot on your source keyspace, copy the SSTable files over, do
It disappeared from describecluster after 1 day. It is only in gossipinfo now
and this looks to be ok :)
On 2019/10/25 04:01:03, Sergio wrote:
> Hi guys,
>
> Cassandra 3.11.4
>
> nodetool gossipinfo
> /10.1.20.49
> generation:1571694191
> heartbeat:279800
> STATUS:279798:LEFT,-101373943
Hello guys!
I was reading about
https://cassandra.apache.org/doc/latest/architecture/dynamo.html#networktopologystrategy
I would like to understand a concept related to the node load balancing.
I know that Jon recommends Vnodes = 4 but right now I found a cluster with
vnodes = 256 replication fac
Hello!
Is it still better to use ParNew + CMS Is it still better than G1GC these days?
Any recommendation for i3.xlarge nodes read-heavy workload?
Thanks,
Sergio
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Hello everyone!
Do you have any setting that you would change or tweak from the below list?
sudo cat /proc/4379/limits
Limit Soft Limit Hard Limit Units
Max cpu time unlimitedunlimitedseconds
Max file size un
Hello guys!
I performed a thread dump
https://fastthread.io/my-thread-report.jsp?p=c2hhcmVkLzIwMTkvMTAvMTcvLS1kdW1wLnR4dC0tMC0zMC00MA==&;
while try to join the node with
-Dcassandra.join_ring=false
OR
-Dcassandra.join.ring=false
OR
-Djoin.ring=false
because the node spiked in load and laten
Problem:
The cassandra node does not work even after restart throwing this exception:
WARN [Thread-83069] 2019-10-11 16:13:23,713 CustomTThreadPoolServer.java:125 -
Transport error occurred during acceptance of message.
org.apache.thrift.transport.TTransportException: java.net.SocketException:
S
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