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-- Best regards, Xiaolong Jiang Senior Software Engineer at Netflix Columbia University

Re: does c* 3.0 use one ring for all datacenters?

ry) node > >> >> >> >> (and > >> >> >> >> replicas if you have RF > 1). If you add/remove a node in a DC, > >> >> >> >> tokens will > >> >> >> >> be rearranged between all nodes within the DC only, the other > DCs > >> >> >> >> won't be > >> >> >> >> affected. > >> >> >> >> > >> >> >> >> -- > >> >> >> >> Jacques-Henri Berthemet > >> >> >> >> > >> >> >> >> -Original Message- > >> >> >> >> From: Jinhua Luo [mailto:luajit...@gmail.com] > >> >> >> >> Sent: Wednesday, April 11, 2018 12:35 PM > >> >> >> >> To: user@cassandra.apache.org > >> >> >> >> Subject: does c* 3.0 use one ring for all datacenters? > >> >> >> >> > >> >> >> >> Hi All, > >> >> >> >> > >> >> >> >> I know it seems a stupid question, but I am really confused > about > >> >> >> >> the > >> >> >> >> documents on the internet related to this topic, especially it > >> >> >> >> seems > >> >> >> >> that it > >> >> >> >> has different answers for c* with vnodes or not. > >> >> >> >> > >> >> >> >> Let's assume the token range is 1-100 for the whole cluster, > how > >> >> >> >> does > >> >> >> >> it distributed into the datacenters? Think that the number of > >> >> >> >> datacenters is > >> >> >> >> dynamic in a cluster, if there is only one ring, then the token > >> >> >> >> range would > >> >> >> >> change on each node when I add a new datacenter into the > cluster? > >> >> >> >> Then it > >> >> >> >> would involve data migration? It doesn't make sense. > >> >> >> >> > >> >> >> >> Looking forward to clarification for c* 3.0, thanks! > >> >> >> >> > >> >> >> >> > >> >> >> >> > >> >> >> >> > - > >> >> >> >> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > >> >> >> >> For additional commands, e-mail: > user-h...@cassandra.apache.org > >> >> >> >> > >> >> >> >> > >> >> >> >> > >> >> >> >> > >> >> >> >> > - > >> >> >> >> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > >> >> >> >> For additional commands, e-mail: > user-h...@cassandra.apache.org > >> >> >> > > >> >> >> > > >> >> >> > > - > >> >> >> > To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > >> >> >> > For additional commands, e-mail: user-h...@cassandra.apache.org > >> >> >> > > >> >> >> > >> >> >> > >> >> >> > - > >> >> >> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > >> >> >> For additional commands, e-mail: user-h...@cassandra.apache.org > >> >> >> > >> >> > > >> >> > >> >> > - > >> >> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > >> >> For additional commands, e-mail: user-h...@cassandra.apache.org > >> >> > >> > > >> > >> - > >> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > >> For additional commands, e-mail: user-h...@cassandra.apache.org > >> > > > > - > To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org > For additional commands, e-mail: user-h...@cassandra.apache.org > > -- Best regards, Xiaolong Jiang Software Engineer at Apple Columbia University

Re: Running nodetool gossipinfo

7 is the version number locally in each instance representing the instance state used by gossiper. it will increase at least one every second Sent from my iPhone > On Aug 29, 2017, at 11:40 AM, Harper, Paul wrote: > > Hello, > Running nodetool gossipinfo trying to find

Re: CCM remote debugger issue

Never mind, I used our internal ccm and then it works. I did brew install ccm at the beginning, looks like there is some bug in that brew install version. On Sun, Dec 18, 2016 at 12:49 AM, Xiaolong Jiang <xiaolong...@gmail.com> wrote: > Hi, I tried to use ccm to create a local cluster,

CCM remote debugger issue

Hi, I tried to use ccm to create a local cluster, What I did is: ccm create test ccm populate -d -n 3 ccm start. So by default, it should have 2100 to remote debugger at 127.0.0.1 But I can not connect from IDEA, also looks like java process doesn't have

Re: Open source equivalents of OpsCenter

that's not open source). >>>> For the rolling restart and other admin stuff we're using Rundeck. It's >>>> a great tool when working in a team. >>>> >>>> (I think it's time to implement an open source alternative to >>>> OpsCenter. If some guys are interested I'm in.) >>>> >>>> Best, >>>> >>>> Romain >>>> >>>> >>>> >>>> >>>> Le Jeudi 14 juillet 2016 0h01, Ranjib Dey <dey.ran...@gmail.com> a >>>> écrit : >>>> >>>> >>>> we use datadog (metrics emitted as raw statsd) for the dashboard. All >>>> repair & compaction is done via blender & serf[1]. >>>> [1]https://github.com/pagerduty/blender >>>> >>>> >>>> On Wed, Jul 13, 2016 at 2:42 PM, Kevin O'Connor <ke...@reddit.com> >>>> wrote: >>>> >>>> Now that OpsCenter doesn't work with open source installs, are there >>>> any runs at an open source equivalent? I'd be more interested in looking at >>>> metrics of a running cluster and doing other tasks like managing >>>> repairs/rolling restarts more so than historical data. >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>> >> >> -- >> BR, >> Michał Łowicki >> >> > -- Best regards, Xiaolong Jiang Software Engineer at Apple Columbia University