Re: Recommissioned a node

2015-02-13 Thread Eric Stevens
I created an issue for this: https://issues.apache.org/jira/browse/CASSANDRA-8801 On Thu, Feb 12, 2015 at 10:18 AM, Robert Coli wrote: > On Thu, Feb 12, 2015 at 7:04 AM, Eric Stevens wrote: > >> IMO, especially with the threat to unrecoverable consistency violations, >> this should be a critica

Re: Recommissioned a node

2015-02-12 Thread Robert Coli
On Thu, Feb 12, 2015 at 7:04 AM, Eric Stevens wrote: > IMO, especially with the threat to unrecoverable consistency violations, > this should be a critical bug. > You should file a JIRA, and let the list know what it is? :D I was never sure if it was just me being unreasonably literal to presum

Re: Recommissioned a node

2015-02-12 Thread Stefano Ortolani
Definitely, I think the very same re this issue. On Thu, Feb 12, 2015 at 7:04 AM, Eric Stevens wrote: > I definitely find it surprising that a node which was decommissioned is > willing to rejoin a cluster. I can't think of any legitimate scenario > where you'd want that, and I'm surprised the

Re: Recommissioned a node

2015-02-12 Thread Eric Stevens
I definitely find it surprising that a node which was decommissioned is willing to rejoin a cluster. I can't think of any legitimate scenario where you'd want that, and I'm surprised the node doesn't track that it was decommissioned and refuse to rejoin without at least a -D flag to force it. Way

Re: Recommissioned a node

2015-02-11 Thread Jonathan Haddad
And after decreasing your RF (rare but happens) On Wed Feb 11 2015 at 11:31:38 AM Robert Coli wrote: > On Wed, Feb 11, 2015 at 11:20 AM, Jonathan Haddad > wrote: > >> It could, because the tombstones that mark data deleted may have been >> removed. There would be nothing that says "this data i

Re: Recommissioned a node

2015-02-11 Thread Robert Coli
On Wed, Feb 11, 2015 at 11:20 AM, Jonathan Haddad wrote: > It could, because the tombstones that mark data deleted may have been > removed. There would be nothing that says "this data is gone". > > If you're worried about it, turn up your gc grace seconds. Also, don't > revive nodes back into a

Re: Recommissioned a node

2015-02-11 Thread Jonathan Haddad
> On Tue, Feb 10, 2015 at 9:13 PM, Stefano Ortolani >> wrote: >> >>> I recommissioned a node after decommissioningit. >>> That happened (1) after a successfull decommission (checked), (2) >>> without wiping the data directory on the node, (3) simply by restartin

Re: Recommissioned a node

2015-02-11 Thread Stefano Ortolani
restart after the gc_grace_seconds passed would have violated consistency permanently? Cheers, Stefano On Wed, Feb 11, 2015 at 10:56 AM, Robert Coli wrote: > On Tue, Feb 10, 2015 at 9:13 PM, Stefano Ortolani > wrote: > >> I recommissioned a node after decommissioningit. >

Re: Recommissioned a node

2015-02-11 Thread Robert Coli
On Tue, Feb 10, 2015 at 9:13 PM, Stefano Ortolani wrote: > I recommissioned a node after decommissioningit. > That happened (1) after a successfull decommission (checked), (2) without > wiping the data directory on the node, (3) simply by restarting the > cassandra service. The node

Re: Recommissioned a node

2015-02-11 Thread Eric Stevens
uests without having a consistent view of the data. >> A safer approach would be to wipe the data directory and bootstrap it as a >> clean new member. >> >> I'm curious what prompted that cycle of decommission then recommission. >> >> On Tue, Feb 10, 2015

Re: Recommissioned a node

2015-02-11 Thread Stefano Ortolani
o Ortolani > wrote: > >> Hi, >> >> I recommissioned a node after decommissioningit. >> That happened (1) after a successfull decommission (checked), (2) without >> wiping the data directory on the node, (3) simply by restarting the >> cassandra service.

Re: Recommissioned a node

2015-02-11 Thread Eric Stevens
n new member. I'm curious what prompted that cycle of decommission then recommission. On Tue, Feb 10, 2015 at 10:13 PM, Stefano Ortolani wrote: > Hi, > > I recommissioned a node after decommissioningit. > That happened (1) after a successfull decommission (checked), (2) wit

Recommissioned a node

2015-02-10 Thread Stefano Ortolani
Hi, I recommissioned a node after decommissioningit. That happened (1) after a successfull decommission (checked), (2) without wiping the data directory on the node, (3) simply by restarting the cassandra service. The node now reports himself healty and up and running Knowing that I issued the