Re: if changing the RingBuffer to priority Based Queue cause correctness issue in HBase?

2018-11-07 Thread Allan Yang
We have different priority in RPC level, we can even separate write requests and read requests to different handlers. But, yes, the WAL uses FIFO queue, and even more, we use a single thread to consume the append and sync requests. The reason is that we need to keep the sequenceID of WAL entry to

[jira] [Created] (HBASE-21450) [documentation] Point spark doc at hbase-connectors spark

2018-11-07 Thread stack (JIRA)
stack created HBASE-21450: - Summary: [documentation] Point spark doc at hbase-connectors spark Key: HBASE-21450 URL: https://issues.apache.org/jira/browse/HBASE-21450 Project: HBase Issue Type: Bug

if changing the RingBuffer to priority Based Queue cause correctness issue in HBase?

2018-11-07 Thread Jing Liu
Hi, I'am trying to add priority to schedule different types of requests in HBase. But the Write-ahead logging use RingBuffer which is essentially a FIFO queue makes it hard. In this case, let's say if the low priority request already queued in the RingBuffer, the high priority request can not be

[jira] [Created] (HBASE-21449) [hbase-connectors] Test can do secure hbase-spark

2018-11-07 Thread stack (JIRA)
stack created HBASE-21449: - Summary: [hbase-connectors] Test can do secure hbase-spark Key: HBASE-21449 URL: https://issues.apache.org/jira/browse/HBASE-21449 Project: HBase Issue Type: Bug

[DISCUSS] Release cadence for HBase 2.y

2018-11-07 Thread Sean Busbey
Hi folks! Some time ago we talked about trying to get back on track for a more regular cadence of minor releases rather than maintenance releases (like how we did back pre-1.0). That never quite worked out for the HBase 1.y line, but is still something we could make happen for HBase 2. We're

[jira] [Resolved] (HBASE-21448) [hbase-connectors] Make compile/tests pass on scala 2.10 AND 2.11

2018-11-07 Thread stack (JIRA)
[ https://issues.apache.org/jira/browse/HBASE-21448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] stack resolved HBASE-21448. --- Resolution: Fixed Merged. Resolving. > [hbase-connectors] Make compile/tests pass on scala 2.10 AND 2.11 >

[jira] [Created] (HBASE-21448) [hbase-connectors] Make compile/tests pass on scala 2.10 AND 2.11

2018-11-07 Thread stack (JIRA)
stack created HBASE-21448: - Summary: [hbase-connectors] Make compile/tests pass on scala 2.10 AND 2.11 Key: HBASE-21448 URL: https://issues.apache.org/jira/browse/HBASE-21448 Project: HBase Issue

[jira] [Created] (HBASE-21447) HBCK2 tool have questions on holes when HBCK2 checks region chain

2018-11-07 Thread Nicholas Jiang (JIRA)
Nicholas Jiang created HBASE-21447: -- Summary: HBCK2 tool have questions on holes when HBCK2 checks region chain Key: HBASE-21447 URL: https://issues.apache.org/jira/browse/HBASE-21447 Project: