Re: Proposing an Apache Cassandra Management process

2018-10-16 Thread Carl Mueller
I too have built a framework over the last year similar to what cstar does but for our purposes at smartthings. The intention is to OSS it, but it needs a round of polish, since it really is more of a utility toolbox for our small cassandra group. It relies on ssh heavily and performing work on

Re: Deprecating/removing PropertyFileSnitch?

2018-10-16 Thread Jeremiah D Jordan
As long as we are correctly storing such things in the system tables and reading them out of the system tables when we do not have the information from gossip yet, it should not be a problem. (As far as I know GPFS does this, but I have not done extensive code diving or testing to make sure all

Re: Deprecating/removing PropertyFileSnitch?

2018-10-16 Thread sankalp kohli
Will GossipingPropertyFileSnitch not be vulnerable to Gossip bugs where we lose hostId or some other fields when we restart C* for large clusters(~1000 instances)? On Tue, Oct 16, 2018 at 7:59 AM Jeff Jirsa wrote: > We should, but the 4.0 features that log/reject verbs to invalid replicas >

Released an ACID-compliant transaction library on top of Cassandra

2018-10-16 Thread Hiroyuki Yamada
Hi all, We have been working on ACID-compliant transaction library on top of Cassandra called Scalar DB, and are pleased to announce the release of v.1.0 RC version in open source. https://github.com/scalar-labs/scalardb/ Scalar DB is a library that provides a distributed storage abstraction

Re: Deprecating/removing PropertyFileSnitch?

2018-10-16 Thread Jeff Jirsa
We should, but the 4.0 features that log/reject verbs to invalid replicas solves a lot of the concerns here -- Jeff Jirsa > On Oct 16, 2018, at 4:10 PM, Jeremy Hanna wrote: > > We have had PropertyFileSnitch for a long time even though > GossipingPropertyFileSnitch is effectively a