Hello,
We recently upgrade C* from 2.1 to 3.0. After the upgrade we are seeing
increase in the total read bytes and read ops on the EBS volumes. It almost
doubled on all the nodes. The number of writes are same.
Thank you.
Hi All,
I had allocated 2 GB each for Key, Row, Counter & Chunk cache and performed
below steps. Please note it is test box not others users are connected to it.
Output 1 shows 0 hits and 0 requests - After clean startup of cassandra
Output 2 shows 0 hits and 1 requests - Executed a select
Hi All,
I am using Cassandra Capture Command to perform a select query operation to
write data from a column family into JSON format file for further
processing. I am able to do that successfully, but I am seeing extra
spaces and row count values after every few records. please suggest a to
get
Hey All,
Any info on this topic.?
Thank You,
Regards,
Srini
On Wed, Aug 8, 2018, 9:46 PM srinivasarao daruna
wrote:
> Hi All,
>
> We have built Cassandra on AWS EC2 instances. Initially when creating
> cluster we have not considered multi-region deployment and we have used AWS
> EC2Snitch.
>
On 2017/10/31 16:56:29, Chris Lohfink wrote:
> The "CompletedTasks" metric is a measure of how many tasks ran on these two
> executors combined.
> The "TotalCompactionsCompleted" metric is a measure of how many compactions
> issued from the compaction manager ran (normal compactions, cache writes,
If its occurring that often you can monitor nodetool compactionstats to see
whats running
> On Aug 10, 2018, at 11:35 AM, Dionne Cloudoupoulos
> wrote:
>
> On 2017/10/31 16:56:29, Chris Lohfink wrote:
>> The "CompletedTasks" metric is a measure of how many tasks ran on these two
>> executors
Hi Thira,
First, there's the 3.0 branch of versions and the 3.x branch of versions.
http://cassandra.apache.org/doc/latest/development/patches.html#choosing-the-right-branches-to-work-on
The 3.0.16 belongs to the 3.0 branch.
The 3.9 and 3.11.2 belong to the 3.x. branch
I believe the change was
Hi, According to documentation at
https://docs.datastax.com/en/cql/3.3/cql/cql_reference/cql_data_types_c.html#cql_data_types_c__cql_data_type_compatibility
we should not be able to change the column type from ascii to text. I have had
a mix experience with conversion between data types on
I don't have any external process or planed repair in that time period.
In case of network, I can see outbound network on Cassandra node network
interface but couldn't find any way to check the VPC network to make sure
it is not going out of network. Maybe the only way is analysing VPC Flow
Log.
Hello! I'm trying to monitor cassandra through jmx and it turns out that I
find two values that seem to be the same thing but not:
org.apache.cassandra.metrics: type = Compaction, name = CompletedTasks.Value
org.apache.cassandra.metrics: type = Compaction, name =
TotalCompactionsCompleted.Count
Thanks Yoshi! That explains it a lot :) On Fri, 10 Aug 2018 18:30:25 +1000
Y K wrote Hi Thira, First, there's the 3.0 branch of
versions and the 3.x branch of versions.
http://cassandra.apache.org/doc/latest/development/patches.html#choosing-the-right-branches-to-work-on
The 3.0.16
Hello,
There has been a similar thread a few months back.
https://lists.apache.org/thread.html/2cad65aba4fb035378591ef007ee68ccaf23a2c025aaaf7e7512d364@%3Cuser.cassandra.apache.org%3E
On fre, 2018-08-10 at 14:18 +0200, Dionne Cloudoupoulos wrote:
Hello! I'm trying to monitor cassandra through
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