RE: How to get information of each read/write request?

2016-08-30 Thread Jun Wu
for each stage for each query. That could be awesome. Again, your information is quite useful. Thanks! Jun From: clohfin...@gmail.com Date: Tue, 30 Aug 2016 14:31:17 -0500 Subject: Re: How to get information of each read/write request? To: user@cassandra.apache.org Running a query with trace

RE: How to get information of each read/write request?

2016-08-30 Thread Jun Wu
value for each metrics. I'm wondering whether there's a convenient way that I can print the time-series value out through the terminal of some metrics. Thanks! Jun From: matija0...@gmail.com Date: Tue, 30 Aug 2016 21:08:45 +0200 Subject: Re: How to get information of each read/write request

Re: How to get information of each read/write request?

2016-08-30 Thread Chris Lohfink
Running a query with trace (`TRACING ON` in cqlsh) can give you a lot of the information for an individual request. There has been a ticket to track time in queue (https://issues.apache.org/jira/browse/CASSANDRA-8398) but no ones worked on it yet. Chris On Tue, Aug 30, 2016 at 12:20 PM, Jun Wu

Re: How to get information of each read/write request?

2016-08-30 Thread Matija Gobec
Hi Jun, If you are looking to track each request zipking is your best bet. The last pickle has a blog about tracing using zipkin. Regarding the stats you see in nodetool did you check the

How to get information of each read/write request?

2016-08-30 Thread Jun Wu
Hi there, I'm very interested in the read/write path of Cassandra. Specifically, I'd like to know the whole process when a read/write request comes in. I noticed that for reach request it could go through multiple stages. For example, for read request, it could be in ReadStage,