java.io.EOFException

2017-05-26 Thread I PVP
How to recover from the following error that started happening after a server crash? Zookeeper won’t start and the following message is showing repeatedly on the log. 2017-05-27 01:02:08,072 [myid:] - INFO [main:Environment@100] - Server environment:java.library.path=/usr/java/packages/lib/am

Re: Recovering from zxid rollover

2017-05-26 Thread Patrick Hunt
On Wed, May 24, 2017 at 8:08 AM, Mike Heffner wrote: > On Tue, May 23, 2017 at 10:21 PM, Patrick Hunt wrote: > > > On Tue, May 23, 2017 at 3:47 PM, Mike Heffner wrote: > > > > > Hi, > > > > > > I'm curious what the best practices are for handling zxid rollover in a > > ZK > > > ensemble. We hav

Re: Yet another "two datacenter" discussion

2017-05-26 Thread Shawn Heisey
On 5/26/2017 9:48 AM, Jordan Zimmerman wrote: > In ZK 3.4.x if you have configuration differences amongst your instances you > are susceptible to a split brain. See this email thread, "Rolling Config > Change Considered Harmful": > > http://zookeeper-user.578899.n2.nabble.com/Rolling-config-chang

Re: Yet another "two datacenter" discussion

2017-05-26 Thread Jordan Zimmerman
In ZK 3.4.x if you have configuration differences amongst your instances you are susceptible to a split brain. See this email thread, "Rolling Config Change Considered Harmful": http://zookeeper-user.578899.n2.nabble.com/Rolling-config-change-considered-harmful-td7578761.html

Yet another "two datacenter" discussion

2017-05-26 Thread Shawn Heisey
I feel fairly certain that this thread willbe an annoyance. I don't know enough about zookeeper to answer the questions that are being asked, so I apologize about needing to relay questions about ZK fault tolerance in two datacenters. It seems that everyone wants to avoid the expense of a tie-bre