Dear community,
is someone working on this ticket? This is clearly performance regression
and we stuck with 3.11.6 and could not upgrade to latest version.
Regards,
Maxim.
On Mon, Feb 22, 2021 at 10:37 AM Ahmed Eljami
wrote:
> Hey,
> I have created the issue, here =>
> https://issues.apache.or
Hey,
I have created the issue, here =>
https://issues.apache.org/jira/browse/CASSANDRA-16465
Le ven. 19 févr. 2021 à 10:10, Ahmed Eljami a
écrit :
> Hi folks,
>
> If this can help, we encountered the same behaviour with 3.11.9. We are
> using LCS.
> After upgrading from 3.11.3 to 3.11.9 in Bench
Hi folks,
If this can help, we encountered the same behaviour with 3.11.9. We are
using LCS.
After upgrading from 3.11.3 to 3.11.9 in Bench Environnement, Cassandra
read latency 99% is multiplied by ~3
We are planning a second test with 3.11.6, I'll send you the results when
it's done.
Cheers,
Any update on this? Any idea if this is already tracked under JIRA issue,
so we can follow for updates
On Wednesday, February 10, 2021, Johannes Weißl wrote:
> Hi Nico,
>
> On Mon, Sep 14, 2020 at 03:51PM +0200, Nicolai Lune Vest wrote:
> > after upgrading my Cassandra nodes from version 3.11.6
Hi Nico,
On Mon, Sep 14, 2020 at 03:51PM +0200, Nicolai Lune Vest wrote:
> after upgrading my Cassandra nodes from version 3.11.6 to either
> 3.11.7 or 3.11.8 I experience a significant increase in read latency
Any update here? Does version 3.11.10 provide any improvement?
Thanks,
Johannes
---
Hi,
I'm not sure if this will help, but I tried today to change one node to
3.11.9 from 3.11.6. We are NOT using TWCS. Very heavy read pattern, almost
no writes, with constant performance test load. Cassandra read latency 99%
increased significantly, but NOT on the node where I changed version (to
Thanks Paulo! I'll give it a try and let you know.
-"Paulo Motta" schrieb: -
An: user@cassandra.apache.org
Von: "Paulo Motta"
Datum: 03.12.2020 13:39
Betreff: Re: Increased read latency with Cassandra >= 3.11.7
As a workaround if your TWCS table i
As a workaround if your TWCS table is append-only (no updates or deletions)
you could try enabling unsafe_aggressive_sstable_expiration (see
https://cassandra.apache.org/doc/latest/operating/compaction/twcs.html) so
inactive sstables will be expired faster and will not be included during
reads.
Em
I think this could've been caused by
https://issues.apache.org/jira/browse/CASSANDRA-15690 which was introduced
on 3.11.7 and removed an optimization that may cause a correctness issue
when there are partition deletions. I'd suggest you to open an issue at
https://issues.apache.org/jira/projects/CA
+1
I would also be interested to know if the 3.11.9 provide any improvement
for your case.
Cheers.
Le mer. 4 nov. 2020 à 14:53, Johannes Weißl a écrit :
> Hi Nico,
>
> On Mon, Sep 14, 2020 at 03:51PM +0200, Nicolai Lune Vest wrote:
> > after upgrading my Cassandra nodes from version 3.11.6 to ei
Hi Nico,
On Mon, Sep 14, 2020 at 03:51PM +0200, Nicolai Lune Vest wrote:
> after upgrading my Cassandra nodes from version 3.11.6 to either
> 3.11.7 or 3.11.8 I experience a significant increase in read latency.
Have you (or others) any update on that? Does the version 3.11.9
released today provi
s. Would be interested
to see your results too.
Regards
Nico
-"Maxim Parkachov" schrieb: -
An: user@cassandra.apache.org
Von: "Maxim Parkachov"
Datum: 23.09.2020 08:15
Betreff: Re: Re: Increased read latency with Cassandra >= 3.11.7
Hi Nico,
we wanted to u
r Jambhulkar" schrieb: -
>> An: user@cassandra.apache.org
>> Von: "Sagar Jambhulkar"
>> Datum: 14.09.2020 16:25
>> Betreff: Re: Increased read latency with Cassandra >= 3.11.7
>>
>>
>> Maybe compare the cache size see if anything diff
ache.org
> Von: "Sagar Jambhulkar"
> Datum: 14.09.2020 16:25
> Betreff: Re: Increased read latency with Cassandra >= 3.11.7
>
>
> Maybe compare the cache size see if anything different in two versions?
>
>
> On Mon, 14 Sep 2020, 19:21 Nicolai Lune Vest,
&
Maybe compare the cache size see if anything different in two versions?
On Mon, 14 Sep 2020, 19:21 Nicolai Lune Vest,
wrote:
> Dear Cassandra community,
>
> after upgrading my Cassandra nodes from version 3.11.6 to either 3.11.7
> or 3.11.8 I experience a significant increase in read latency.
>
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