Hi Weijie,
Thanks for the link. I’d seen this project a bit earlier, along with Apollo
[1]. Sparrow is quite interesting, but is designed to place tasks (processes)
on available nodes. This is not quite what Drill does: Drill launches multiple
waves of “fragments” to all nodes across the
Divya created DRILL-5739:
Summary: Query reads all files after issuing REFRESH TABLE
METADATA command
Key: DRILL-5739
URL: https://issues.apache.org/jira/browse/DRILL-5739
Project: Apache Drill
kevin zou created DRILL-5738:
Summary: Drill query takes 10+ minutes before start executing,
excessive Hive metastore queries
Key: DRILL-5738
URL: https://issues.apache.org/jira/browse/DRILL-5738
Github user sohami commented on the issue:
https://github.com/apache/drill/pull/920
@Ben-Zvi - Please help to review this PR.
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Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134778939
--- Diff:
exec/java-exec/src/test/java/org/apache/drill/exec/expr/TestSchemaPathMaterialization.java
---
@@ -93,4 +93,23 @@ public void
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134788919
--- Diff:
exec/vector/src/main/java/org/apache/drill/exec/vector/accessor/TupleAccessor.java
---
@@ -48,9 +48,21 @@
MaterializedField
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134539810
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/ScanBatch.java
---
@@ -359,30 +361,109 @@ public Mutator(OperatorExecContext
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134686740
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/ScanBatch.java
---
@@ -359,30 +361,109 @@ public Mutator(OperatorExecContext
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134688368
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/aggregate/StreamingAggBatch.java
---
@@ -293,7 +294,7 @@ private
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134764401
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/vector/complex/SchemaPathUtil.java
---
@@ -0,0 +1,59 @@
+/*
+* Licensed to the
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134782398
--- Diff:
exec/java-exec/src/test/java/org/apache/drill/exec/record/TestMaterializedField.java
---
@@ -84,4 +89,22 @@ public void testClone() {
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134787569
--- Diff:
exec/java-exec/src/test/java/org/apache/drill/test/rowSet/RowSetSchema.java ---
@@ -83,7 +85,13 @@ private void updateStructure(int index,
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134540459
--- Diff:
contrib/storage-hbase/src/main/java/org/apache/drill/exec/store/hbase/CompareFunctionsProcessor.java
---
@@ -147,10 +147,10 @@ public Boolean
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134788014
--- Diff:
exec/java-exec/src/test/java/org/apache/drill/test/rowSet/RowSetSchema.java ---
@@ -94,12 +102,20 @@ private void updateStructure(int index,
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134795741
--- Diff:
logical/src/main/java/org/apache/drill/common/expression/SchemaPath.java ---
@@ -115,6 +112,33 @@ public static SchemaPath create(NamePart
Github user vvysotskyi commented on a diff in the pull request:
https://github.com/apache/drill/pull/909#discussion_r134689741
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/project/ProjectRecordBatch.java
---
@@ -362,16 +363,16 @@ protected boolean
Github user arina-ielchiieva commented on the issue:
https://github.com/apache/drill/pull/910
@sohami PR is updated, information about new approach is added in Jira.
Please review when possible.
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@paul have you noticed the Sparrow project (
https://github.com/radlab/sparrow ) and related paper mentioned in the
github . Sparrow is a non-central ,low latency scheduler . This seems meet
Drill's demand. I think we can first abstract a scheduler interface like
what Spark does , then we can
Github user arina-ielchiieva commented on the issue:
https://github.com/apache/drill/pull/889
+1, LGMT.
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Github user weijietong commented on the issue:
https://github.com/apache/drill/pull/889
@arina-ielchiieva thanks for the advice, has corrected that.
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