https://issues.apache.org/jira/browse/CASSANDRA-3534

On Mon, Dec 29, 2014 at 6:58 PM, Alain RODRIGUEZ <arodr...@gmail.com> wrote:

> Hi guys,
>
> I am looking at added and dropped option in Cassandra between 1.2.18 and
> 2.0.11 and this makes me wonder:
>
> Why has the index_interval option been removed from cassandra.yaml ? I
> know we can also define it on a per table basis, yet, this global option
> was quite useful to tune memory usage. I also know that this index is now
> kept off-heap, but I can not see when and why this option has been removed,
> any pointer ? Also it seems this option still usable even if not present by
> default on cassandra.yaml, but it is marked as deprecated (
> https://github.com/apache/cassandra/blob/cassandra-2.0.11/src/java/org/apache/cassandra/config/Config.java#L165).
> Is this option deprecated on the table schema definition too ?
>
> Same kind of questions around the heap "emergency pressure valve" -->
> "flush_largest_memtables_at", "reduce_cache_sizes_at" and
> "reduce_cache_capacity_to", except that those params seems to have been
> dropped directly. Why, is there no more need of it, has some other
> mechanism replaced it, improving things ?
>
> Hope this wasn't already discussed,I was unable to find information about
> it anyway.
>
> C*heers !
>

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