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The following commit(s) were added to refs/heads/asf-site by this push:
new a9bb1306c Update 4.1.0 release notes with more items
a9bb1306c is described below
commit a9bb1306c1d47ba99e888f5d03773acaccc6ab9f
Author: stiga-huang <[email protected]>
AuthorDate: Sat Aug 13 08:11:55 2022 +0800
Update 4.1.0 release notes with more items
Change-Id: I44b85afa19806ef0c654eba267f40278d421868c
Reviewed-on: http://gerrit.cloudera.org:8080/18845
Reviewed-by: Zoltan Borok-Nagy <[email protected]>
Tested-by: Quanlong Huang <[email protected]>
---
docs/release-notes-4.1.html | 43 +++++++++++++++++++++++++++++++++----------
1 file changed, 33 insertions(+), 10 deletions(-)
diff --git a/docs/release-notes-4.1.html b/docs/release-notes-4.1.html
index 7bdcfa777..efac92483 100644
--- a/docs/release-notes-4.1.html
+++ b/docs/release-notes-4.1.html
@@ -31,12 +31,22 @@
</ul>
</li>
<li>Support ALTER TABLE UNSET TBLPROPERTIES/SERDEPROPERTIES (<a
href="https://issues.apache.org/jira/browse/IMPALA-5569";>IMPALA-5569</a>).</li>
- <li>Support reading/writing Parquet Bloom filters for the most common types
(<a href="https://issues.apache.org/jira/browse/IMPALA-10640";>IMPALA-10640</a>,
<a
href="https://issues.apache.org/jira/browse/IMPALA-10642";>IMPALA-10642</a>).</li>
+ <li>Support reading decimals from Parquet files with different
precision/scale (<a
href="https://issues.apache.org/jira/browse/IMPALA-7087";>IMPALA-7087</a>, <a
href="https://issues.apache.org/jira/browse/IMPALA-8131";>IMPALA-8131</a>)</li>
+ <li>Support table definition over a single file (<a
href="https://issues.apache.org/jira/browse/IMPALA-10934";>IMPALA-10934</a>, <a
href="https://issues.apache.org/jira/browse/HIVE-25569";>HIVE-25569</a>)</li>
+ <li>impala-shell can connect directly to HiveServer2 (<a
href="https://issues.apache.org/jira/browse/IMPALA-10778";>IMPALA-10778</a>)</li>
+ <li>Support spilling to HDFS (<a
href="https://issues.apache.org/jira/browse/IMPALA-10429";>IMPALA-10429</a>)</li>
</ul>
<h2>Improvements</h2>
<ul>
- <li>Several improvements in scanning ORC tables:
+ <li>Several improvements in Parquet support:
+ <ul>
+ <li>Late materialization: avoid materialization of columns for filtered
out rows in Parquet tables (<a
href="https://issues.apache.org/jira/browse/IMPALA-9873";>IMPALA-9873</a>).</li>
+ <li>Support reading/writing Parquet Bloom filters for the most common
types (<a
href="https://issues.apache.org/jira/browse/IMPALA-10640";>IMPALA-10640</a>, <a
href="https://issues.apache.org/jira/browse/IMPALA-10642";>IMPALA-10642</a>).</li>
+ <li>Apply runtime filter on small dictionaries (<a
href="https://issues.apache.org/jira/browse/IMPALA-10910";>IMPALA-10910</a>, <a
href="https://issues.apache.org/jira/browse/IMPALA-5509";>IMPALA-5509</a>).</li>
+ </ul>
+ </li>
+ <li>Several improvements in ORC support:
<ul>
<li>Async IO in ORC scanner (<a
href="https://issues.apache.org/jira/browse/IMPALA-6636";>IMPALA-6636</a>).</li>
<li>Predicate pushdown into the ORC lib (<a
href="https://issues.apache.org/jira/browse/IMPALA-6505";>IMPALA-6505</a>, <a
href="https://issues.apache.org/jira/browse/IMPALA-10873";>IMPALA-10873</a>).</li>
@@ -45,18 +55,31 @@
</ul>
See more in the Epic <a
href="https://issues.apache.org/jira/browse/IMPALA-9040";>IMPALA-9040</a> (login
to see all jiras linked to it).
</li>
- <li>Reducing HashTable size by packing its buckets efficiently (<a
href="https://issues.apache.org/jira/browse/IMPALA-7635";>IMPALA-7635</a>).</li>
- <li>Avoid materialization of columns for filtered out rows in Parquet
tables (<a
href="https://issues.apache.org/jira/browse/IMPALA-9873";>IMPALA-9873</a>).</li>
- <li>Improve TimestampValue to String casting (<a
href="https://issues.apache.org/jira/browse/IMPALA-10984";>IMPALA-10984</a>).</li>
- <li>ACID lock timeouts are now configurable (<a
href="https://issues.apache.org/jira/browse/IMPALA-11153";>IMPALA-11153</a>).</li>
+ <li>Catalog improvements:
+ <ul>
+ <li>Batching of consecutive partition events (<a
href="https://issues.apache.org/jira/browse/IMPALA-9857";>IMPALA-9857</a>)</li>
+ <li>Fine grained table refreshing in catalogd at partition level for
transactional tables (<a
href="https://issues.apache.org/jira/browse/IMPALA-10923";>IMPALA-10923</a>).</li>
+ <li>Improve metadata consistency and self events detection in catalogd
(<a
href="https://issues.apache.org/jira/browse/IMPALA-10926";>IMPALA-10926</a>).</li>
+ <li>Skip file metadata reloading in processing AlterPartition events in
EventProcessor in catalogd (<a
href="https://issues.apache.org/jira/browse/IMPALA-11050";>IMPALA-11050</a>).</li>
+ </ul>
+ </li>
+ <li>Planner improvements:
+ <ul>
+ <li>Improve inner join cardinality estimates (<a
href="https://issues.apache.org/jira/browse/IMPALA-10681";>IMPALA-10681</a>)</li>
+ <li>Set selectivity of Not-equal (<a
href="https://issues.apache.org/jira/browse/IMPALA-7560";>IMPALA-7560</a>)</li>
+ <li>Better selectivity for =,not distinct (<a
href="https://issues.apache.org/jira/browse/IMPALA-10766";>IMPALA-10766</a>)</li>
+ <li>Improve analysis with inline views and thousands of columns (<a
href="https://issues.apache.org/jira/browse/IMPALA-10799";>IMPALA-10799</a>)</li>
+ <li>Improve SingleNodePlan creation when hundreds of inline views are
joined (<a
href="https://issues.apache.org/jira/browse/IMPALA-10806";>IMPALA-10806</a>)</li>
+ </ul>
+ </li>
+ <li>Reducing HashTable size by packing its buckets efficiently (<a
href="https://issues.apache.org/jira/browse/IMPALA-7635";>IMPALA-7635</a>).</li>
+ <li>Improve TimestampValue to String casting (<a
href="https://issues.apache.org/jira/browse/IMPALA-10984";>IMPALA-10984</a>).</li>
+ <li>ACID lock timeouts are now configurable (<a
href="https://issues.apache.org/jira/browse/IMPALA-11153";>IMPALA-11153</a>).</li>
<li>Implementing adaptive 3-way quicksort in sorter. Improves quicksort
performance when there is a large number of duplicates (<a
href="https://issues.apache.org/jira/browse/IMPALA-10961";>IMPALA-10961</a>).</li>
- <li>Fine grained table refreshing in catalogd at partition level for
transactional tables (<a
href="https://issues.apache.org/jira/browse/IMPALA-10923";>IMPALA-10923</a>).</li>
- <li>Improve metadata consistency and self events detection in catalogd (<a
href="https://issues.apache.org/jira/browse/IMPALA-10925";>IMPALA-10925</a>).</li>
- <li>Skip file metadata reloading in processing AlterPartition events in
EventProcessor in catalogd (<a
href="https://issues.apache.org/jira/browse/IMPALA-11050";>IMPALA-11050</a>).</li>
</ul>
<h2>Fixed Issues</h2>
<p>See <a href="./changelog-4.1.html">change log</a></p>
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