ues and do
something to fix them. Thank you for starting this thread. It helps shine
light on these issues. Mailing list threads and JIRAs help the community
immensely.
cheers,
Dinesh
ise a jira and contribute a patch to the
documentation.
On a side note, why are you implementing your own driver?
Thanks,
Dinesh
On Sun, Aug 11, 2024 at 8:29 AM Vincent Rischmann
wrote:
> Hello,
>
> this may not be the best place to ask this, feel free to redirect me.
>
>
he
new SSL context if it cannot successfully initialize it. This is again by
design to prevent an outage when the updated truststore is corrupted or
could not be read in some way.
thanks,
Dinesh
On Mon, Apr 15, 2024 at 9:45 AM Tolbert, Andy wrote:
> I should mention, when toggling
Minor correction, zero copy streaming aka faster streaming also works for STCS.DineshOn Aug 21, 2023, at 8:01 AM, Jeff Jirsa wrote:There's a lot of questionable advice scattered in this thread. Set aside most of the guidance like 2TB/node, it's old and super nuanced.If you're bare metal, do what
Hi Shaurya,
I'm sorry but we don't maintain the DSE driver.
Dinesh
> On Jun 2, 2023, at 1:07 PM, Shaurya Gupta wrote:
>
> Hi
>
> We are seeing high response times on the application side from the Java
> Reactive DSE driver.
> Cassandra server side metrics show
It would be helpful if you could tell us what version of Cassandra you’re using?
Dinesh
> On Oct 30, 2022, at 10:07 AM, Richard Hesse wrote:
>
>
> Hi, I'm hoping to get some help with a vexing issue with one of our
> keyspaces. During Reaper repair sessions, one keysp
.
Dinesh
> On Sep 12, 2022, at 7:09 PM, Eunsu Kim wrote:
>
> Hi all,
>
> Since zstd compression is a very good compression algorithm, it is available
> in Cassandra 4.0. Because the overall performance and ratio are excellent
>
> There is open source available fo
The data is requested asynchronously from peers. There is some logic to select
the peers however there isn’t a set order for data delivery. Why do you ask?
>
> On Sep 8, 2022, at 11:35 PM, Marc Hoppins wrote:
>
> Hulloa all,
>
> Can anyone shed light on the order which nodes will deliver dat
This sounds great. Thanks for taking time to do this! Please post back notes of
the meeting on the dev list so those who couldn't attend are in the loop.
> On Apr 29, 2022, at 3:16 PM, Patrick McFadin wrote:
>
> Hi everyone,
>
> There are several community members working on various marketing
pshotting
>>>
>>> - Yifan
>>>
>>> On Tue, Mar 22, 2022 at 9:41 AM Paul Chandler wrote:
>>> Hi all,
>>>
>>> Was there any further progress made on this? Did a Jira get created?
>>>
>>> I have been debugging our backu
Do you have a repro that you can share with us? If so, please file a jira and
we'll take a look.
> On Mar 18, 2022, at 12:15 PM, James Brown wrote:
>
> This in 4.0.3 after running nodetool snapshot that we're seeing sstables
> change, yes.
>
> James Brown
> Infrastructure Architect @ easypost
expensive). Encryption will
make thundering herd problems worse. You should watch out for those two issues.
Dinesh
> On Feb 5, 2022, at 3:53 AM, onmstester onmstester wrote:
>
> Hi,
>
> Anyone measured impact of wire encryption using TLS
> (client_encryption/server_en
Could you file a jira with the details?
Dinesh
> On Nov 26, 2021, at 2:40 PM, James Brown wrote:
>
>
> We're on 4.0.1 and switched to incremental repairs a couple of months ago.
> They work fine about 95% of the time, but once in a while a session will get
> st
Yes, that is one way of deriving an identity. The other "standard" mechanism is
to use spiffe ids[1] to encode an identity and to derive your
username/principal from it.
Dinesh
[1]
https://github.com/spiffe/spiffe/blob/main/standards/X509-SVID.md#2-spiffe-id
> On 22/09/2021 15:40, Din
d give you
what you're looking for. If you'd like, you can go as far as ignoring the
username/password passed down from the cilent and only rely on the identity
encoded in the certificate as your source of truth.
Dinesh
>
> On 21/09/2021 23:16, Dinesh Joshi wrote:
>> It s
It sort of supports it. You still need to send in the username/password
credentials along with the client certificate to authenticate. Cassandra will
not derive the identity purely from the client certificate.
Dinesh
> On Sep 21, 2021, at 11:59 AM, S G wrote:
>
> Hello,
>
> D
Those of y’all who have difficulty with Java 11, have you asked about it on the
mailing list or filed a Jira?
Dinesh
> On May 7, 2021, at 8:14 AM, Joe Obernberger
> wrote:
>
>
> I can retry Java 11.
>
> I am seeing this error a lot - still debugging, but I'll thr
Hi Ayub,
DSE is a DataStax product and this is the Apache Cassandra mailing list. Could
you reach out to DataStax?
Dinesh
> On Aug 7, 2019, at 11:17 PM, Ayub M wrote:
>
> Hello, we are using DSE Search workload with Search and Cass running on same
> nodes/jvm.
>
> 1. Wh
Try obtaining a thread dump. It will help debug. Anything that goes via JMX
such as nodetool could be responsible for it.
Dinesh
> On Jul 28, 2019, at 10:57 PM, Vlad <mailto:qa23d-...@yahoo.com.INVALID>> wrote:
>
> Hi,
>
> suddenly I noticed that one of three nodes st
Hi Anuj,
I don't think there are any plans to have a Cassandra track at AC EU. I
encourage you to submit to it regardless.
Thanks,
Dinesh
> On May 13, 2019, at 10:06 AM, Anuj Wadehra
> wrote:
>
> Hi,
>
> Do we have any plans for dedicated Apache Cassandra track or s
More info with detailed explanation:
https://www.instaclustr.com/apache-cassandra-scalability-allow-filtering-partition-keys/
Dinesh
> On Apr 16, 2019, at 11:24 PM, Mahesh Daksha wrote:
>
> Hi,
>
> how much data you are trying to read in the single query? is it large in si
The driver is actually maintained by DataStax and not the Cassandra community.
Please look at the documentation here - https://github.com/datastax/cpp-driver
<https://github.com/datastax/cpp-driver> Hopefully someone from their driver
team can confirm.
Dinesh
> On Mar 29, 2019, a
custom truststore but to the best of my knowledge
Cassandra doesn't provide what you want out of the box.
Dinesh
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Dinesh
> On Jan 13, 2019, at 9:12 AM, Irtiza Ali wrote:
>
> Unsubscribe
>
> On Sun
Pretty cool!
Dinesh
> On Oct 30, 2018, at 6:31 PM, Jonathan Haddad wrote:
>
> Very cool Ben, thanks for sharing!
>
>> On Tue, Oct 30, 2018 at 6:14 PM Ben Slater
>> wrote:
>> For anyone who is interested, we’ve published a blog with some more
>> backgr
compressing
the data stream in transit.
Dinesh
> On Sep 16, 2018, at 2:07 AM, Vitali Dyachuk wrote:
>
> Both stream throughput settings are set to 0, meaning that there is no stream
> throttling on the C* side. Yes, i see high cpu used by STREAM-IN thread,
> sstables are comp
Any
> ideas/concerns/questions would be helpful to us. Thanks!
>
Interesting idea. I did go over the proposal briefly. I concur with Jon about
adding more use-cases to clarify this feature's potential use-cases.
Dinesh
Although the extent of benefits depend on the specific use case, the cluster
size is definitely not a limiting factor.
Dinesh
> On Aug 27, 2018, at 5:05 AM, kurt greaves wrote:
>
> I believe there are caveats that it will only really help if you're not using
> vnodes, o
Codec [date <-> java.lang.Long]
The issue is that CodecRegistry does not allow you to override existing type
mappings[1][2]. You can however register a codec that converts between a
CqlType and your custom class.
Dinesh
[1]
https://docs.datastax.com/en/developer/java-driver/3.1/manual
Hi Revanth,
How do you register the custom codec? Do you get any errors? Have you tried
using a pre-existing codec? It would be helpful if you can give more
information.
DineshOn Saturday, April 14, 2018, 7:29:30 PM PDT, Revanth Reddy
wrote:
Hi Team ,
I want to write a custom
trunk is the next release which is 4.0. You won't find a branch named 4.0 yet.
Dinesh
On Tuesday, March 13, 2018, 11:39:44 PM PDT, Kenneth Brotman
wrote:
#yiv3841634821 #yiv3841634821 -- _filtered #yiv3841634821
{font-family:Helvetica;panose-1:2 11 6 4 2 2 2 2 2 4;} _fil
e.
Thanks,
Dinesh
On Tuesday, March 13, 2018, 11:03:04 PM PDT, Kenneth Brotman
wrote:
#yiv9726083586 #yiv9726083586 -- _filtered #yiv9726083586
{font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;} _filtered #yiv9726083586
{font-family:Tahoma;panose-1:2 11 6 4 3 5 4 4 2 4;}#yiv9
What does your schema look like? Are you seeing any warnings or errors in the
server log?
Dinesh
On Tuesday, March 13, 2018, 3:43:33 PM PDT, Faraz Mateen
wrote:
Hi everyone,
I seem to have hit a problem in which writing to cassandra through a python
script fails and also
andra process.
How many tables are we talking about here?
Here's more information about it:
https://docs.datastax.com/en/cassandra/3.0/cassandra/dml/dmlHowDataWritten.html
Dinesh
On Thursday, February 15, 2018, 3:34:49 PM PST, Alaa Zubaidi (PDF)
wrote:
Is there any overhead if m
There is nothing in the system.log when the aggregation query fails.
Thanks for the Datastax clarification.
Thanks,
Dinesh.
On 12/24/2015 2:46 PM, DuyHai Doan wrote:
The exception stack trace at client side shows some issue with File
Permission. Try to look for the same error message in
t?
And note that this same aggregation query (on a subset of the month's
days) does complete successfully sometimes.
The behavior is similar with Cassandra 3.0 as well: on the same set of
days, the query sometimes succeeds, fails most times. Would trying the
Datastax distribution offer any bett
7191144 -> 37249960; Par Eden Space: 146089224 ->
148476848;
INFO [Service Thread] 2015-12-21 13:08:53,068 GCInspector.java:284 -
ParNew GC in 216ms. CMS Old Gen: 16146528 -> 26858568; Par Eden Space:
167772160 -> 0;
Earlier the node had OpenJDK 8. For today's tests I install
aType.cint());
com.datastax.driver.core.TupleValue tv = tt.newValue(); tv.setInt(0,
0); tv.setInt(1, 1); if (flid == null) { state.put("EMPTY", tv);
return state; } if (state.get(flid) != null) { tv =
(com.datastax.driver.core.TupleValue) state.get(flid); tv.setInt(1,
tv.getInt(1) + 1); if
(fldelay.compareTo(java.math.BigDecimal.valueOf(0)) == 1) {
tv.setInt(0, tv.getInt(0) + 1); } } state.put(flid, tv); return
state;$$;
What should be checked on to investigate this further?
Thanks,
Dinesh.
:387)
What are we missing here?
Thanks
Dinesh
org.apache.cassandra.net.OutboundTcpConnection.writeConnected(OutboundTcpConnection.java:205)
at
org.apache.cassandra.net.OutboundTcpConnection.run(OutboundTcpConnection.java:149)
On Thu, Aug 29, 2013 at 1:48 PM, Dinesh wrote:
> Facing the same issue with rpc_address set to the same as listen address
> o
the same as listen_address ?
>
>
> Andy
>
> On 29 Aug 2013, at 07:47, Dinesh wrote:
>
> My first node is running and second node is not running in this case
>
> I tried telnet from second node to first node. Following is the stdout
>
> # telnet 10.96.10.207 7000
efused
I see the same output for 61620 & 61621 ports
--
Please suggest
On Thu, Aug 29, 2013 at 11:23 AM, Andrey Ilinykh wrote:
> To be sure ports are open try to connect from one node to another:
>
> telnet 7000
>
> try all ports.
>
> Andrey
>
>
&
160, 61620 and 61621.
>
>
> On Wed, Aug 28, 2013 at 12:36 AM, Dinesh wrote:
>
>> In my case rpc_address in both the nodes is set to 0.0.0.0 which means it
>> listens on all interfaces. it has a larger scope (to listen on all
>> localhost, ipv4, hostnames, ipv6 address
ion I got in this
case also
On Wed, Aug 28, 2013 at 10:40 AM, Naresh Yadav wrote:
>
> You would need to configure rpc_address also with hostname/ips on both the
> nodes.
>
> Naresh
>
> On Wed, Aug 28, 2013 at 10:15 AM, Dinesh wrote:
>
>> Hi,
>>
>> I
s: 0.0.0.0
second node yaml
initial_token: 0
seeds: "10.96.19.207" # which is the IP of first node
listen_address: 10.96.10.223 # which is the IP of second node
rpc_address: 0.0.0.0
==
Can anyone please help me what went wrong with my configuration?
Regards
Dinesh
Thanks Aaron for your reply,
creating vector for raw data is good work around for decreasing disk space, but
I am not still clear tracking time for nodes, say if we want a query like give
me the list of nodes for a cluster between this period of time then how do we
get that information? do we sc
Hi,
I am trying to create a Cassandra schema for cluster monitoring system, where
one cluster can have multiple nodes and I am monitoring multiple matrices from
a node. My raw data schema looks like and taking values in every 5 min interval
matrix_name + daily time stamp as row key, composite co
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