[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15900259#comment-15900259 ] Samarth Jain commented on HBASE-12790: -- Thanks for the pointer [~anoop.hbase]. I see that there is

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15899813#comment-15899813 ] James Taylor commented on HBASE-12790: -- IMHO, it would be best to have an attribute that is

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15899769#comment-15899769 ] Andrew Purtell commented on HBASE-12790: We were going to add an API to Operation IIRC and to

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15899754#comment-15899754 ] Anoop Sam John commented on HBASE-12790: Oh!! that level we might not have the protoc request

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15899749#comment-15899749 ] ramkrishna.s.vasudevan commented on HBASE-12790: I remember that setting attribute had

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15899725#comment-15899725 ] Samarth Jain commented on HBASE-12790: -- [~anoop.hbase] - I don't see an obvious way of getting hold

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15899658#comment-15899658 ] Anoop Sam John commented on HBASE-12790: Phoenix can make use of Scan#setAttribute(String name,

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15899197#comment-15899197 ] ramkrishna.s.vasudevan commented on HBASE-12790: Yes. This not only needs a pluggable RPC

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15898857#comment-15898857 ] Andrew Purtell commented on HBASE-12790: [~samarthjain] Pluggable RPC scheduler plus API to set

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15898836#comment-15898836 ] Samarth Jain commented on HBASE-12790: -- [~lhofhansl] - just having a pluggable RPCScheduler won't do

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15895556#comment-15895556 ] Andrew Purtell commented on HBASE-12790: I thought we might get somewhere with adding the ability

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15895552#comment-15895552 ] Lars Hofhansl commented on HBASE-12790: --- bq. RpcScheduler is pluggable. You need more than that?

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15895521#comment-15895521 ] stack commented on HBASE-12790: --- bq. How about a new JIRA, Lars Hofhansl? Nah. Why would we drop

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15895487#comment-15895487 ] James Taylor commented on HBASE-12790: -- How about a new JIRA, [~lhofhansl]? > Support fairness

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15895299#comment-15895299 ] Lars Hofhansl commented on HBASE-12790: --- Can we restart this discussion? [~jamestaylor] suggests to

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15001806#comment-15001806 ] James Taylor commented on HBASE-12790: -- bq. and make sure if you have internal notions of "this is

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14999067#comment-14999067 ] stack commented on HBASE-12790: --- bq. Glad to see you're working on that over at Cloudera. Hopefully you're

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14999119#comment-14999119 ] Andrew Purtell commented on HBASE-12790: bq. Hopefully there's enough information to feed into

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14999155#comment-14999155 ] Andrew Purtell commented on HBASE-12790: Just throwing out ideas, considering existing

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14997011#comment-14997011 ] Andrew Purtell commented on HBASE-12790: bq. The Connection level idea doesn't solves the issue

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14997005#comment-14997005 ] James Taylor commented on HBASE-12790: -- The Connection level idea doesn't solves the issue for our

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14997058#comment-14997058 ] Andrew Purtell commented on HBASE-12790: On complexity. We've added a lot of knobs and extension

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14996945#comment-14996945 ] Andrew Purtell commented on HBASE-12790: If we can all conceptually agree on round robin

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14997269#comment-14997269 ] James Taylor commented on HBASE-12790: -- Thanks, [~apurtell] - appreciate the write-up. Hopefully

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14997232#comment-14997232 ] stack commented on HBASE-12790: --- Thanks for the eloquence [~apurtell] summarizing where we are at and how

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14996383#comment-14996383 ] ramkrishna.s.vasudevan commented on HBASE-12790: The confusion of exposing groupID API

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14997639#comment-14997639 ] James Taylor commented on HBASE-12790: -- Glad to see you're working on that over at Cloudera.

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14997572#comment-14997572 ] stack commented on HBASE-12790: --- bq. I've already pointed out why the round-robining on Connections won't

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995792#comment-14995792 ] stack commented on HBASE-12790: --- bq. We share the same HConnection for clients on the same JVM because

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995824#comment-14995824 ] James Taylor commented on HBASE-12790: -- What's the resistance to having a round robin scheduler?

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995841#comment-14995841 ] James Taylor commented on HBASE-12790: -- How about this proposal? - Address the write-side of the

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995953#comment-14995953 ] stack commented on HBASE-12790: --- bq. What's the resistance to having a round robin scheduler? None. See

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995996#comment-14995996 ] James Taylor commented on HBASE-12790: -- My Maptask illustrates another reason to have the

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14994874#comment-14994874 ] stack commented on HBASE-12790: --- bq. So to do that we need to give clients a way to label requests for QoS

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14994869#comment-14994869 ] Elliott Clark commented on HBASE-12790: --- RPC already has priority. Adding more fields seems really

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14994815#comment-14994815 ] Andrew Purtell commented on HBASE-12790: bq. Long scans or a single client hogging server

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14994819#comment-14994819 ] Andrew Purtell commented on HBASE-12790: It's also not only about scans. Any of the batch ops can

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14994830#comment-14994830 ] Andrew Purtell commented on HBASE-12790: Should this take a while to hash out and/or be a 2.0

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995080#comment-14995080 ] stack commented on HBASE-12790: --- bq. Therefore dispatching work queued per connection in a round robin

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995085#comment-14995085 ] James Taylor commented on HBASE-12790: -- Phoenix already manages the connections. We share the same

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995039#comment-14995039 ] Andrew Purtell commented on HBASE-12790: BTW I personally see allowing a label to be passed and

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995037#comment-14995037 ] Andrew Purtell commented on HBASE-12790: bq. RPC already has priority. Adding more fields seems

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14995056#comment-14995056 ] James Taylor commented on HBASE-12790: -- bq. Will the server round-robin'ing amongst the client

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14994488#comment-14994488 ] James Taylor commented on HBASE-12790: -- If HBase can provide a means for Phoenix to realize its SLAs

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14994538#comment-14994538 ] stack commented on HBASE-12790: --- bq. Scan attributes alone will not do IMHO because the queues cannot do

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14992100#comment-14992100 ] stack commented on HBASE-12790: --- Phoenix shouldn't have to add its own scheduler. Phoenix changing basic

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14993243#comment-14993243 ] ramkrishna.s.vasudevan commented on HBASE-12790: bq.I've asked if this groupid

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14991246#comment-14991246 ] ramkrishna.s.vasudevan commented on HBASE-12790: To me having grouping Id for scan was ok

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14991231#comment-14991231 ] stack commented on HBASE-12790: --- bq. We will extend the groupid concept to all the client requests. That

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14991075#comment-14991075 ] ramkrishna.s.vasudevan commented on HBASE-12790: Am not sure whether within in end of

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14989500#comment-14989500 ] Anoop Sam John commented on HBASE-12790: No need to expose any Key.. Phoenix has its own naming

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14989451#comment-14989451 ] Anoop Sam John commented on HBASE-12790: And we have RpcSchedulerFactory exposed to Phoenix

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14989453#comment-14989453 ] ramkrishna.s.vasudevan commented on HBASE-12790: Ya fine with this. HBase needs to expose

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14989446#comment-14989446 ] Anoop Sam John commented on HBASE-12790: This is a specific case with parallel scan (split one

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14989819#comment-14989819 ] Andrew Purtell commented on HBASE-12790: Doing this entirely over in Phoenix would obviously

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14989826#comment-14989826 ] Andrew Purtell commented on HBASE-12790: If this is to be a Phoenix-only thing may I suggest the

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14989896#comment-14989896 ] James Taylor commented on HBASE-12790: -- The round robin scheduler could live in Phoenix, but we

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14989995#comment-14989995 ] ramkrishna.s.vasudevan commented on HBASE-12790: There are few things to check here. Once

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14990016#comment-14990016 ] Andrew Purtell commented on HBASE-12790: bq. then the executors to be used with Replication, the

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14990039#comment-14990039 ] Sean Busbey commented on HBASE-12790: - FYI, jiras I'm waiting on to feature-freeze branch-1.2: *

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14987863#comment-14987863 ] Andrew Purtell commented on HBASE-12790: bq. So if there is no 1-1 mapping from

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14987853#comment-14987853 ] Anoop Sam John commented on HBASE-12790: Basically 'groupId' make sense for RPC requests but that

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14987759#comment-14987759 ] ramkrishna.s.vasudevan commented on HBASE-12790: Thanks for all the comments on the RB.

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14960117#comment-14960117 ] ramkrishna.s.vasudevan commented on HBASE-12790: Thanks Andy for the update. I have just

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14960135#comment-14960135 ] ramkrishna.s.vasudevan commented on HBASE-12790: Sure James. My initial tests on branch-1

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14960122#comment-14960122 ] James Taylor commented on HBASE-12790: -- [~ram_krish] - since we run HBase 0.98 in production, that's

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14944894#comment-14944894 ] ramkrishna.s.vasudevan commented on HBASE-12790: bq.Did you mean: instead of waiting 20

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14945252#comment-14945252 ] ramkrishna.s.vasudevan commented on HBASE-12790: bq.And when no count query is running

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14945217#comment-14945217 ] Andrew Purtell commented on HBASE-12790: bq. The count query still runs with the same amount of

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14944277#comment-14944277 ] Andrew Purtell commented on HBASE-12790: bq. Instead of waiting for some 20 secs for one point

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14942166#comment-14942166 ] ramkrishna.s.vasudevan commented on HBASE-12790: [~apurtell] Thanks for the comment

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14941922#comment-14941922 ] Andrew Purtell commented on HBASE-12790: I added a comment above as a reply on another comment.

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14941919#comment-14941919 ] Andrew Purtell commented on HBASE-12790: I'm sorry but this doesn't help. Looks like output

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14901876#comment-14901876 ] ramkrishna.s.vasudevan commented on HBASE-12790: Updated the patch in RB. RB link is

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14744299#comment-14744299 ] James Taylor commented on HBASE-12790: -- [~apurtell], [~lhofhansl] - would it be possible for one of

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14740598#comment-14740598 ] Hadoop QA commented on HBASE-12790: --- {color:red}-1 overall{color}. Here are the results of testing the

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14738288#comment-14738288 ] Hadoop QA commented on HBASE-12790: --- {color:red}-1 overall{color}. Here are the results of testing the

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14740173#comment-14740173 ] ramkrishna.s.vasudevan commented on HBASE-12790: The patch that I attached was based on

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14738268#comment-14738268 ] ramkrishna.s.vasudevan commented on HBASE-12790: bq.Why both FairShareBlockingQueue and

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14736595#comment-14736595 ] ramkrishna.s.vasudevan commented on HBASE-12790: In between my HBASE-11425 tests, I spent

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14514653#comment-14514653 ] Nick Dimiduk commented on HBASE-12790: -- For what it's worth, I believe there's an

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14514673#comment-14514673 ] James Taylor commented on HBASE-12790: -- bq. For what it's worth, I believe there's

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14514680#comment-14514680 ] Nick Dimiduk commented on HBASE-12790: -- [~jamestaylor] would you say this kind of

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14514696#comment-14514696 ] James Taylor commented on HBASE-12790: -- Yes, I think conceptually this is the same.

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14514737#comment-14514737 ] Nick Dimiduk commented on HBASE-12790: -- I bring up batch jobs for two reasons. (1)

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14514753#comment-14514753 ] James Taylor commented on HBASE-12790: -- Excellent point, [~ndimiduk]. Support

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14507460#comment-14507460 ] ramkrishna.s.vasudevan commented on HBASE-12790: bq.An instanceof check

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14507426#comment-14507426 ] Andrew Purtell commented on HBASE-12790: bq. SimpleRpcScheduler is getting more

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14507418#comment-14507418 ] Andrew Purtell commented on HBASE-12790: Why both FairShareBlockingQueue and

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14506360#comment-14506360 ] ramkrishna.s.vasudevan commented on HBASE-12790: Pointed out by

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14497628#comment-14497628 ] ramkrishna.s.vasudevan commented on HBASE-12790: While running some real

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14494501#comment-14494501 ] ramkrishna.s.vasudevan commented on HBASE-12790: Am not very clear on how

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14394235#comment-14394235 ] ramkrishna.s.vasudevan commented on HBASE-12790: Seeing the current code,

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14388359#comment-14388359 ] ramkrishna.s.vasudevan commented on HBASE-12790: Clients that require

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14388654#comment-14388654 ] stack commented on HBASE-12790: --- So looking at the patch, a new concept -- 'grouping' -- is

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14388730#comment-14388730 ] stack commented on HBASE-12790: --- I see the new queue implementation doing a bunch of extra

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14388771#comment-14388771 ] ramkrishna.s.vasudevan commented on HBASE-12790: Thanks Stack for the

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14381440#comment-14381440 ] James Taylor commented on HBASE-12790: -- The grouping ID is any client identifier

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14381449#comment-14381449 ] ramkrishna.s.vasudevan commented on HBASE-12790: James has just replied

[jira] [Commented] (HBASE-12790) Support fairness across parallelized scans

[ https://issues.apache.org/jira/browse/HBASE-12790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14381446#comment-14381446 ] ramkrishna.s.vasudevan commented on HBASE-12790: bq.So is 'grouping' a

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