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*From:* Bowen Song
*Sent:* Friday, July 1, 2022 08:48
*To:* user@cassandra.apache.org
*Subject:* Re: Query around Data Modelling -2
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From: Bowen Song
Sent: Friday, July 1, 2022 08:48
To: user@cassandra.apache.org
Subject: Re: Query around Data Modelling -2
This message was sent from outside the company. Please do not click links or
open attachments unles
And why do you do that?
On 30/06/2022 16:35, MyWorld wrote:
We run major compaction once in a week
On Thu, Jun 30, 2022, 8:14 PM Bowen Song wrote:
I have noticed this "running a weekly repair and compaction job".
What do you mean weekly compaction job? Have you disabled the
auto-
We run major compaction once in a week
On Thu, Jun 30, 2022, 8:14 PM Bowen Song wrote:
> I have noticed this "running a weekly repair and compaction job".
>
> What do you mean weekly compaction job? Have you disabled the
> auto-compaction on the table and is relying on weekly scheduled
> compact
I have noticed this "running a weekly repair and compaction job".
What do you mean weekly compaction job? Have you disabled the
auto-compaction on the table and is relying on weekly scheduled
compactions? Or running weekly major compactions? Neither of these
sounds right.
On 30/06/2022 15:03
Hi Jeff,
We are running repair with -pr option.
You are right it would have no or very minimal impact on read (considering
the fact now data has to be read from 2 levels instead of 3). But my guess
there is no negative impact of this model2.
On Thu, Jun 30, 2022, 7:41 PM Jeff Jirsa wrote:
> Ho
How are you running repair? -pr? Or -st/-et?
4.0 gives you real incremental repair which helps. Splitting the table won’t
make reads faster. It will increase the potential parallelization of
compaction.
> On Jun 30, 2022, at 7:04 AM, MyWorld wrote:
>
>
> Hi all,
>
> Another query around d
Hi all,
Another query around data Modelling.
We have a existing table with below structure:
Table(PK,CK, col1,col2, col3, col4,col5)
Now each Pk here have 1k - 10k Clustering keys. Each PK has size from 10MB
to 80MB. We have overall 100+ millions partitions. Also we have set
levelled compactions
