Sounds like http://wiki.apache.org/cassandra/FAQ#ubuntu_ec2_hangs to me.
On Fri, Jun 29, 2012 at 1:45 AM, Olivier Mallassi wrote:
> Hi all
>
> We have a 12 servers clusters (8 cores by machines..).
> OS is Ubuntu 10.04.2.
>
> On one of the machine (only one) and without any load (no inserts, no
>
"Pending compactions" is just an estimate of "how many compactions
does Cassandra think it will take to get to fully-compacted state;"
there are no actual tasks enqueued anywhere.
You could enable debug logging on org.apache.cassandra.db.compaction,
and force a compaction with nodetool to see why
More generally, don't just throw your old config file at a new version
of Cassandra; start with the new version's config, then apply any
customizations that are still relevant.
On Fri, Jun 29, 2012 at 8:40 AM, Romain HARDOUIN
wrote:
>
> commitlog_rotation_threshold_in_mb was removed in 1.0.0-beta
They were removed because in 1.1 caches are global and not per-cf:
http://www.datastax.com/dev/blog/caching-in-cassandra-1-1
On Fri, Jun 29, 2012 at 5:45 AM, Bill wrote:
> Were
>
> Key cache capacity:
> Key cache size:
> Key cache hit rate:
> Row cache:
>
> removed from cfstats in 1.1.0? I can se
On Wed, Jun 27, 2012 at 5:11 PM, Aaron Turner wrote:
> Honestly, I think using the same terms as a RDBMS does
> makes users think they're exactly the same thing and have the same
> properties... which is close enough in some cases, but dangerous in
> others.
The point is that thinking in terms of
Is this Cassandra 1.1.1?
How often do you observe this? How many columns are in the row? Can
you reproduce when querying by column name, or only when "slicing" the
row?
On Thu, Jun 28, 2012 at 7:24 AM, Jason Tang wrote:
> Hi
>
> First I delete one column, then I delete one row. Then try to
YES!
This happened to me as well. RUNNING THAT COMMAND FIXED THE PROBLEM!
THANK YOU SO MUCH
On Sat, Jun 30, 2012 at 11:11 PM, Mina Naguib
wrote:
>
> Hi folks
>
> Our cassandra (and other java-based apps) started experiencing extremely high
> CPU usage as of 8pm eastern time (midnight UTC).
>
Hi folks
Our cassandra (and other java-based apps) started experiencing extremely high
CPU usage as of 8pm eastern time (midnight UTC).
The issue appears to be related to specific versions of java + linux + ntpd
There are many solutions floating around on IRC, twitter, stackexchange, LKML.
Th
