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DRILL-6478: enhance debug logs for batch sizing

closes #1310

DRILL-6477: Drillbit crashes with OOME (Heap) for a large WebUI query

For queries submitted through the WebUI and retrieving a large result-set, the Drillbit often hangs or crashes due to the (foreman) Drillbit running out of Heap memory.

This is because the Web client translates the result set into a massive object in the heap-space and tries to send that back to the browser. This results in the VM thread actively trying to perform GC if the memory is not sufficient.

The workaround is to have the active webConnection of the query periodically timeout to allow for checking the consumed heap-space. A level of 0.85 (i.e. 85%) is set as default threshold, crossing which, a query submitted through the REST API is marked and failed.

In addition, a user exception is thrown, indicting the cause of the query failing, along with alternative suggestions for re-executing the query.

closes #1309

DRILL-6576: Unnest reports incoming record counts incorrectly

This closes #1362

DRILL-6486: BitVector split and transfer does not work correctly for non byte-multiple transfer lengths

Fix for the bug in BitVector splitAndTransfer. The logic for handling copy of last-n bits was incorrect for none byte-multiple transfer lengths.

closes #1316

DRILL-6467: Percentage usage of memory is reported as zero by the WebUI

The memory reported as a percentage is incorrectly reported as 0%, irrespective of the actual usage.

closes #1305

DRILL-6476: Generate explain plan which shows relation between Lateral and the corresponding Unnest.

closes #1308

DRILL-6481: Refactor ParquetXXXPredicate classes

closes #1312

DRILL-6212: Prevent recursive cast expressions

closes #1319

    • -0
    • +10
    /exec/java-exec/src/test/resources/view/emp_6212.view.drill
DRILL-6474: Don't use TopN when order by and offset are used without a limit specified.

closes #1313

DRILL-6432: Show Button to print visualized query plan (#1278)

* DRILL-6432: Show Button to print visualized query plan

Having the capability to only print the visualized query plan means the user can specifyi the zoom level (in the printer settings) when printing large complex plans that might span multiple pages.

* Update based on review comment

Padded button by 15px to avoid sticking to pane

closes #1278

DRILL-6468: CatastrophicFailures should not do a graceful shutdown of drill when terminating the JVM.

closes #1306

DRILL-6466: Add HttpOnly flag to response cookies

DRILL-4020: The not-equal operator returns incorrect results when used on the HBase row key

- Added a condition that checks if the filter to the scan specification doesn't have NOT_EQUAL operator

- Added testFilterPushDownRowKeyNotEqual() to TestHBaseFilterPushDown

closes #309

DRILL-6594: Data batches for Project operator are not being split properly and exceed the maximum specified

This change fixes the incorrect accounting in the case where a columns is being projected more than once

closes #1375

DRILL-6479: Support EMIT for the Hash Aggr

closes #1311

DRILL-6461: Added basic data correctness tests for hash agg, and improved operator unit testing framework.

git closes #1344

  1. … 22 more files in changeset.
Revert "DRILL-4020: The not-equal operator returns incorrect results when used on the HBase row key"

This reverts commit 0d5eda83fe34928ff60629e6a4903d43a1d82582.

DRILL-6463 : Fix integer overflow in MockGroupScanPOP

closes #1303

DRILL-6459: Unable to view profile of a running query

Fixes the missing text component of the QueryId that causes lookups to fail in `WorkManager.queries` map.

This got introduced with the fix (#1265) for DRILL-5305

Reverting change to QueryIdHelper and DRILL-5305

Removing the changes done, based on inputs from @vrozov and @sohami . The correct approach would be to have this as part of the profile to avoid serialization of the queryIdText for each RPC making use of the QueryId

UX Changes

Set the query ID string and display in WebUI

closes #1301

add the RDBMS to the schema types (#620)

Add the RDBMS to the schema types which driver supports.

fix the default directory in zookeeper (#616)

Fix the bug:correct the drill directory in zookeeper to dirll from Drill,because the value is case Sensitive.

Update 035-plugin-configuration-basics.md (#615)

Fix the errors in the content

Drill 1.7+ & HBase 1.x support (#582)

Drill 1.7+ & HBase 1.x support

updated ZooKeeper to CamelCase (#577)

Minor copy editing change. Apache ZooKeeper uses camel case (https://zookeeper.apache.org/).

Update 2014-12-09-running-sql-queries-on-amazon-s3.md (#164)

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    • +5
    /blog/_posts/2014-12-09-running-sql-queries-on-amazon-s3.md
DRILL-5700: Adding nohup support for Sqlline script

closes #1300

DRILL-6454: Native MapR DB plugin support for Hive MapR-DB json table

closes #1314

add postman doc to doc set

minor edit

DRILL-6456: Planner shouldn't create any exchanges on the right side of Lateral Join.

This closes #1299