Re: Cassandra Management tools?

2022-02-28 Thread Adam Scott
I use pssh -i -h hosts nodetool for one-offs. Rolling restart is tricky to automate, but haven't had to yet. If I were to, I would be sure to do a test connect and query to confirm the node is up before going to the next one. For automation I use python fabric. I too, would be curious what othe

Re: [RELEASE] Apache Cassandra 4.0.0 released

2021-07-29 Thread Adam Scott
ding to confirm there are no 3.x SSTables left > -- but no such post-4.0 SSTable format changes have been proposed yet. > > > From: Adam Scott > Sent: Wednesday, July 28, 2021 2:58 PM > To: user@cassandra.apache.org > Subject: Re: [RELEA

Re: [RELEASE] Apache Cassandra 4.0.0 released

2021-07-28 Thread Adam Scott
Thanks Brandon! Anyone know the upgrade path from 3.x? https://cassandra.apache.org/doc/latest/cassandra/getting_started/installing.html Doesn't look like it has specific upgrade instructions. For instance do we need to run nodetool upgradesstables? TIA On 2021/07/26 20:03:59, Brandon Wil

Re: Bootstraping is failing

2020-05-07 Thread Adam Scott
dra again on the new node > , will it resume bootstrap or will it start over? > > On Thu, 7 May 2020 at 13:32, Adam Scott wrote: > >> I recommend it on all nodes. This will eliminate that as a source of >> trouble further on down the road. >> >> >> On Thu,

Re: Bootstraping is failing

2020-05-07 Thread Adam Scott
> > > On Thu, 7 May 2020 at 13:23, Adam Scott wrote: > >> >> *edit >> /etc/sysctl.confnet.ipv4.tcp_keepalive_time=60 >> net.ipv4.tcp_keepalive_probes=3net.ipv4.tcp_keepalive_intvl=10* >> then run sysctl -p to cause the kernel to reload the settings

Re: Bootstraping is failing

2020-05-07 Thread Adam Scott
abc cassandra]# cat /proc/sys/net/ipv4/tcp_keepalive_time > > 300 > > [root@abc cassandra]# cat /proc/sys/net/ipv4/tcp_keepalive_intvl > > 30 > > [root@abc cassandra]# cat /proc/sys/net/ipv4/tcp_keepalive_probes > > 9 > > On Thu, 7 May 2020 at 12:32, Adam Scott

Re: Bootstraping is failing

2020-05-07 Thread Adam Scott
Maybe a firewall killing a connection? What does the following show? cat /proc/sys/net/ipv4/tcp_keepalive_time cat /proc/sys/net/ipv4/tcp_keepalive_intvl cat /proc/sys/net/ipv4/tcp_keepalive_probes On Thu, May 7, 2020 at 10:31 AM Surbhi Gupta wrote: > Hi, > > We are trying to expand a datacente