> is there a way to either make TTL dynamic (using ?)
>
Not at this time. There is
https://issues.apache.org/jira/browse/CASSANDRA-4450 open for that, but
that's not done yet.
> tell the engine not to cache the Prepared statement. I am using the new
> CQL Java Driver.
>
In that case, just don'
Thanks Sylvain
So how to avoid the prepared statement cache exhaustion, is there a way to
either make TTL dynamic (using ?) or tell the engine not to cache the
Prepared statement. I am using the new CQL Java Driver.
Shahryar
On Fri, Apr 26, 2013 at 11:42 AM, Sylvain Lebresne wrote:
> This is
That is more or less what I was guessing, thanks for these precision.
2013/4/26 Sylvain Lebresne
> This is indeed intended. That behavior is largely dictated by how the
> storage engine works, and the fact that an update does no read internally
> in particular.
>
> Yet, what I do not know is wh
This is indeed intended. That behavior is largely dictated by how the
storage engine works, and the fact that an update does no read internally
in particular.
Yet, what I do not know is whether this behavior can be changed somehow to
> let the initial TTL,
>
There's nothing like that supported, n
The issue is, I can get the original TTL using the select and use it for
the update, however since TTL can not be dynamic (using ?) it will exhaust
the prepared statement cache, because I have tons of updates like this and
every one will have a different signature due to changing TTL. I am using
This seems to be the correct behavior. An update refreshes the TTL, as it
does in memcache for example. Yet, what I do not know is whether this
behavior can be changed somehow to let the initial TTL, this might be
useful on some use cases.
Alain
2013/4/26 Shahryar Sedghi
> Apparently when I up
Apparently when I update a column using CQL that already has a TTL, it
resets the TTL to null, so if there was already a TTL for all columns that
I inserted part of a composite column set, this specific column that I
updated will not expire while the others are are getting expired. Is it how
it is
