Dmitriy, >Disagree. This is an Ignite issue, not a user issue. We must detect this >and either provide a user with a warning message or disallow 2 streamers >with identical names. >Makes sense?
It's not a streamer name we apply as an argument, it's a cache name. So, it's possible to use a different Data Streamers from different nodes for the one cache or even different streamers for one cache on the one node. Evgenii 2017-09-03 19:59 GMT+03:00 Dmitriy Setrakyan <dsetrak...@apache.org>: > On Sun, Sep 3, 2017 at 9:36 AM, Evgenii Zhuravlev < > e.zhuravlev...@gmail.com> > wrote: > > > What about this SO question - I think it could be a good idea to add some > > additional validation between nodes configurations at node's start. > > Because, if the root of the problem was found correctly, then it means > that > > nodes were started with inconsistent configurations. What do you think? > > > > Agree. These are exactly the fixes we should start adding to Ignite. > > > > https://stackoverflow.com/questions/45911616/datastreamer-does-not-work- > > well/4597234 > > - it doesn't relate to DataStreamer, looks like since version 2.1(or > > earlier) we have problems with old versions of Java7. I've seen also at > > least two same questions on the user list. I've created issue for that: > > https://issues.apache.org/jira/browse/IGNITE-6248 > > > Great! I have scheduled this ticket for 2.2. The node must not start on an > incompatible Java version. > > > > > > https://stackoverflow.com/questions/45034975/apache- > > ignite-data-streamer/45035436 > > - As he said at the end, I think he didn't properly understand how > > DataStreamer should work > > > > Disagree. This is an Ignite issue, not a user issue. We must detect this > and either provide a user with a warning message or disallow 2 streamers > with identical names. > > Makes sense? > > > > > > http://apache-ignite-users.70518.x6.nabble.com/Failing- > > DataStreamer-beacuse-of-minor-version-change-td12142.html > > for this issue, we already have an improvement too: > > https://issues.apache.org/jira/browse/IGNITE-5195 > > > Argh, what a horrible issue. We spit out an exception 2 pages long, and > then telling the poor user to ignore it. This is just sad. I updated the > ticket and added a link to the user thread. > > > > > > > > Evgenii > > > > 2017-09-03 18:13 GMT+03:00 Dmitriy Setrakyan <dsetrak...@apache.org>: > > > > > In that case we either provide bad configuration or bad error messages. > > > Could we provide a better error message for this SO issue? > > > > > > Evgenii, can I please ask you to provide links to all the data streamer > > > questions you looked at here? This way we may have a chance to spot > some > > > area for improvement. > > > > > > D. > > > > > > On Sun, Sep 3, 2017 at 3:05 AM, Evgenii Zhuravlev < > > > e.zhuravlev...@gmail.com> > > > wrote: > > > > > > > Dmitriy, > > > > > > > > I've seen several questions on StackOverflow and on the user list, > that > > > > seems to be connected with Data Streamer at first sight, but after > some > > > > investigation, it was clear that they were not related to Data > Streamer > > > at > > > > all. Usually, as it was in this question on SO, it was a wrong > > > > configuration or conflicted configuration between nodes. > > > > > > > > Evgenii > > > > > > > > 2017-09-03 2:10 GMT+03:00 Dmitriy Setrakyan <dsetrak...@apache.org>: > > > > > > > > > Igniters, > > > > > > > > > > I am noticing quite a few issues on the user list and Stack > Overflow > > > that > > > > > have to do with Data Streamer usability. Here is just one example: > > > > > > > > > > https://stackoverflow.com/questions/46015833/ > > > > datastreamer-adddata-method- > > > > > not-work-as-expected-in-cluster > > > > > > > > > > I think, as a community, we should try to analyze all the issues > and > > > > figure > > > > > out why the users are struggling. > > > > > > > > > > Does anyone have a good sense for what is happening? > > > > > > > > > > D. > > > > > > > > > > > > > > >
