cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From aaron morton <>
Subject Re: Decommissioning node is causing broken pipe error
Date Thu, 05 May 2011 10:59:37 GMT
Yes that was what I was trying to say. 

Aaron Morton
Freelance Cassandra Developer

On 5 May 2011, at 18:52, Tyler Hobbs wrote:

> On Thu, May 5, 2011 at 1:21 AM, Peter Schuller <> wrote:
> > It's no longer recommended to run nodetool compact regularly as it can mean
> > that some tombstones do not get to be purged for a very long time.
> I think this is a mis-typing; it used to be that major compactions
> were necessary to remove tombstones, but this is no longer the case in
> 0.7 so that the need for major compactions is significantly lessened
> or even eliminated. However, running major compactions won't cause
> tombstones *not* to be removed; it's just not required *in order* for
> them to be removed.
> I think he was suggesting that any tombstones *left* in the large sstable generated by
the major compaction won't be removed for a long time because that sstable itself will not
participate in any minor compactions for a long time.  (In general, rows in that sstable will
not be merged for a long time.)
> -- 
> Tyler Hobbs
> Software Engineer, DataStax
> Maintainer of the pycassa Cassandra Python client library

View raw message