incubator-cassandra-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ted Zlatanov <...@lifelogs.com>
Subject Re: thinking about dropping hinted handoff
Date Wed, 24 Feb 2010 01:37:14 GMT
On Tue, 23 Feb 2010 16:44:29 -0600 Jonathan Ellis <jbellis@gmail.com> wrote: 

JE> 2010/2/23 Ted Zlatanov <tzz@lifelogs.com>:
JE> because in a masterless environment there is no way to tell "when it's over"
>> 
>> Would it work to use an external agent?  It can get the list of nodes,
>> make them all read-only, then wait until every node reports no write
>> activity through JMX.

JE> At that point I'd say you're deeply into "cure worse than the disease"
JE> territory :)

You're probably right, though I don't see a better way and don't
understand what makes this one problematic.  I thought it would at least
let the cluster keep serving read requests while settling into a steady
state.

Ted


Mime
View raw message