Hi Sam,
in our pre-production stages, we are running Cassandra 3.0 and 3.11 with 8u172
(previously u102 then u162) without any visible troubles/regressions.
In case of Cassandra 3.11, you need 3.11.2 due to:
https://issues.apache.org/jira/browse/CASSANDRA-14173. Cassandra 3.0 is not
affected b
In versions before 3.0, sstables were written with a -tmp filename and
copied/moved to the final filename when complete. This changes in 3.0 - we
write into the file with the final name, and have a journal/log to let uss
know when it's done/final/live.
Therefore, you can no longer just watch for a
Hi Everyone,
We’ve noticed a few times in the last few weeks that when we’re doing backups,
tar has complained with messages like this:
tar:
/var/lib/cassandra/data/mars/test_instances_by_test_id-6a9440a04cc111e8878675f1041d7e1c/snapshots/backup_20180523_024502/mb-63-big-Data.db:
file changed
Hey Jean,
I think it still does anticompaction by default regardless, it will not do
so only if you do subrange repair. TLP wrote a pretty good article on that:
http://thelastpickle.com/blog/2017/12/14/should-you-use-incremental-repair.html
On 24 May 2018 at 00:42, Jean Carlo wrote:
> Hello
>
>
I believe that key estimates won't immediately respond to expired TTL, Not
until after compaction has completely dropped the records (which will
include subtle logic related to gc_grace and partitions with data in
multiple SSTables).
On Wed, May 23, 2018 at 6:18 AM Rahul Singh
wrote:
> If the TT
Hi,
Any experiences any one have running C* 3.x with the Oracle JDK update 1.8 u172
/ u171 that came out mid-April?
Thanks,
Sam
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Here is the expectations around compatibility levels
https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/csi-new-client-library-procedure.md#client-capabilities
Though
references to gold, silver, bronze etc seem to have largely gone away...
not sure what'
Thanks ! Do you have some pointers on the available features ? I am more
afraid of the lack of custom controller integration, for instance the code
generator...
2018-05-23 17:17 GMT+02:00 Ben Bromhead :
> The official Kubernetes Java driver is actually pretty feature complete,
> if not exactly id
The official Kubernetes Java driver is actually pretty feature complete, if
not exactly idiomatic Java... it's only missing full examples to get it to
GOLD compatibility levels iirc.
A few reasons we went down the Java path:
- Cassandra community engagement was the primary concern. If you are
Hello
I just want to understand why, if I run a repair non incremental like this
nodetool -h 127.0.0.1 -p 7100 repair -full -pr keyspace1 standard1
Cassandra does anticompaction as the logs show
INFO [CompactionExecutor:20] 2018-05-23 16:36:27,598
CompactionManager.java:1545 - Anticompacting
[
Why did you choose java for the operator implementation when everybody
seems to use the go client (probably for greater functionalities) ?
2018-05-23 15:39 GMT+02:00 Ben Bromhead :
> You can get a good way with StatefulSets, but as Tom mentioned there are
> still some issues with this, particular
You can get a good way with StatefulSets, but as Tom mentioned there are
still some issues with this, particularly around scaling up and down.
We are working on an Operator for Apache Cassandra, you can find it here
https://github.com/instaclustr/cassandra-operator. This is a joint project
between
If the TTL actually reduces the key count , should. It’s possible to TTL a row
from a partition but not the whole partition. 1 key = 1 partition != 1 row != 1
cell
--
Rahul Singh
rahul.si...@anant.us
Anant Corporation
On May 23, 2018, 6:07 AM -0500, Grzegorz Pietrusza ,
wrote:
> Hi
>
> I'm us
Using a statefulset should get you pretty far, though will likely be less
effective than a coreos-style “operator”. Some random points:
For scale-up: a node shouldn’t report “ready” until it’s in the NORMAL state;
this will prevent multiple nodes from bootstrapping at once.
For scale-down: as of
Hi
I'm using tablestats to get estimated number of partitioning keys. In my
case all writes are done with TTL of a few days. Is the key count decreased
when TTL hits?
Regards
Grzegorz
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