Write latency metric

2016-02-05 Thread
Hi, I noticed that the write latency metric includes only memtable and rowcache updates, but not sync to a commitlog. I am looking at ColumnFamilyStore.apply() and KeySpace.apply(). Is my understanding correct? Is this an intended design? I guess sync to a commitlog is the most time consuming

Re: Write latency metric

2016-02-08 Thread
vel write metrics. > Feel free to open JIRA at > https://issues.apache.org/jira/browse/CASSANDRA for improvement > request. > > > On Fri, Feb 5, 2016 at 6:44 PM, 大平怜 <rei.oda...@gmail.com> wrote: > > Hi, > > > > I noticed that the write latency metr

Re: Integrating vendor-specific code and developing plugins

2017-05-15 Thread
Thanks for the discussion, all, >> * What's included when shipped in tree? >> >> Does every idea get merged in? Do we need 30 different Seed providers? Who >> judges what's valuable enough to add? Who maintains it when it needs >> updating? If the maintainer can't be found, is it removed?

Integrating vendor-specific code and developing plugins

2017-05-11 Thread
Hi all, In this JIRA ticket https://issues.apache.org/jira/browse/CASSANDRA-13486, we proposed integrating our code to support a fast flash+FPGA card (called CAPI Flash) only available in the ppc architecture. Although we will keep discussing the topics specific to the patch (e.g. documentation,

Re: Integrating vendor-specific code and developing plugins

2017-06-02 Thread
tell us who we should work with? Thanks, Rei Odaira 2017-05-19 16:56 GMT-05:00 大平怜 <rei.oda...@gmail.com>: > Hi all, > > Everybody seems to agree with improving the plugin ecosystem (as well > as not small amount of effort needed to do that), but about > vendor-specific cod

Re: Integrating vendor-specific code and developing plugins

2017-05-19 Thread
Hi all, Everybody seems to agree with improving the plugin ecosystem (as well as not small amount of effort needed to do that), but about vendor-specific code integration, let me summarize the issues raised so far. 1) How to test it? What if my code breaks the vendor-specific build? 2) How to

Re: Integrating vendor-specific code and developing plugins

2017-06-05 Thread
gt; https://svn.apache.org/repos/asf/cassandra/site/src/ >> >> And in git for the docs. >> https://github.com/apache/cassandra/tree/trunk/doc/source >> >> For suggested changes make a JIRA with proposed changes. >> >> -Jeremiah >> >>> On Jun 2,

Re: Making CommitLog pluggable

2017-12-04 Thread
Hi, I submitted patches for the pluggable CommitLog. Appreciate any comments. Thanks! https://issues.apache.org/jira/browse/CASSANDRA-14062 Rei Odaira 2017-11-06 17:14 GMT-06:00 大平怜 <rei.oda...@gmail.com>: > Thanks for the feedback, Ariel, > > Based on your comments, we are