[ANNOUNCE] Hudi Community Update(2021-03-14 ~ 2021-03-28)

[leesf <le...@gmail.com>]

Dear community,

Nice to share Hudi community bi-weekly updates for 2021-03-14 ~ 2021-03-28
with updates on features, bug fixes and tests.


=======================================
Features

[Flink Integration]  Tweak hudi-flink-bundle module pom and reorganize the
pacakges for hudi-flink module [1]
[Flink Integration] Bounded source for stream writer  [2]
[Metadata Table] Improve performance of key lookups from base file in
Metadata Table [3]
[Core] Added locking capability to allow multiple writers [4]
[Core] Implement HoodieTableSource.explainSource for all kinds of pushing
down [5]
[Flink Integration] Use PRIMARY KEY syntax to define record keys for Flink
Hudi table [6]
[Spark Integration] hudi write should uncache rdd， when the write operation
is finnished [7]
[Core] Add support for composite keys in NonpartitionedKeyGenerator [8]
[Flink Integration] Flush as per data bucket for mini-batch write  [9]
[Core] Custom avro kafka deserializer [10]
[Core] Improving config names and adding hive metastore uri config [11]
[Flink Integration] Read optimized query type for Flink batch reader [12]
[Core] Rename & standardize config to match other configs [13]
[Flink Integration] Bump Flink version to 1.12.2 [14]
[Java Client] Introduce HoodieBloomIndex to hudi-java-client [15]

[1] https://issues.apache.org/jira/browse/HUDI-1684
[2] https://issues.apache.org/jira/browse/HUDI-1692
[3] https://issues.apache.org/jira/browse/HUDI-1552
[4] https://issues.apache.org/jira/browse/HUDI-845
[5] https://issues.apache.org/jira/browse/HUDI-1701
[6] https://issues.apache.org/jira/browse/HUDI-1688
[7] https://issues.apache.org/jira/browse/HUDI-1663
[8] https://issues.apache.org/jira/browse/HUDI-1653
[9] https://issues.apache.org/jira/browse/HUDI-1705
[10] https://issues.apache.org/jira/browse/HUDI-1650
[11] https://issues.apache.org/jira/browse/HUDI-1709
[12] https://issues.apache.org/jira/browse/HUDI-1710
[13] https://issues.apache.org/jira/browse/HUDI-1712
[14] https://issues.apache.org/jira/browse/HUDI-1495
[15] https://issues.apache.org/jira/browse/HUDI-1478

=======================================
Bugs

[GCS] Fixing input stream detection of GCS FileSystem [1]
[Core] Fixing null schema in bulk_insert row writer path [2]
[Core] Fixing spark3 bundles [3]
[Core] Fix a null value related bug for spark vectorized reader. [4]
[Core] Fix MethodNotFound for HiveMetastore Locks [5]


[1] https://issues.apache.org/jira/browse/HUDI-1496
[2] https://issues.apache.org/jira/browse/HUDI-1615
[3] https://issues.apache.org/jira/browse/HUDI-1568
[4] https://issues.apache.org/jira/browse/HUDI-1667
[5] https://issues.apache.org/jira/browse/HUDI-1728



Best,
Leesf