On Tue, Dec 29, 2015 at 2:31 PM, Mir Tanvir Hossain <
mir.tanvir.hoss...@gmail.com> wrote:
> Hello, is it possible to do a rolling upgrade from 2.0.9 to 2.2.4?
>
It is never supported to upgrade more than one major version of Cassandra.
=Rob
Hello, is it possible to do a rolling upgrade from 2.0.9 to 2.2.4?
Thanks,
Mir
>
>
> 1. Is it possible to "tune" the page size or is it hard-coded internally ?
>
If a page size is set for the request at the driver level, that page size
will be used internally. Otherwise, it defaults to something reasonable
(probably ~5k rows).
> 2. Is read-repair performed on EACH page or
If you know how long the records should last, TTL is a good way to go. Remember
that neither TTL or deletes are right-away purge strategies. Each inserts a
special record called a tombstone to indicate a deleted record. After
compaction (that is after gc_grace_seconds for the table, default 10 d
Hi Xutom,
What the " modern CQL client with paging support" mean? Is there opensource
> CQL client ? I does not use any opensource CQL client and exporting data
> with my java code.
Use the datastax Java driver which is open source:
github:
https://github.com/datastax/java-driver
docs:
http:/
You can write your own using the appropriate interface(s) (for authentication
and authorization). However, the interfaces have changed over the years, so it
is likely not a write it and forget it bit of code.
External security is one of the important features of DSE, though.
Sean Durity – Lead
