Hello Marcel Kornacker, Bharath Vissapragada, Alex Behm,
I'd like you to reexamine a change. Please visit
http://gerrit.cloudera.org:8080/6406
to look at the new patch set (#7).
Change subject: IMPALA-4029: Reduce memory requirements for storing file
metadata
......................................................................
IMPALA-4029: Reduce memory requirements for storing file metadata
This commit improves the memory requirements for storing file and block
metadata in the catalog and the impalad nodes by using the FlatBuffers
serialization library.
Testing:
Passed an exhaustive tests run.
Benchmark:
Memory requirement for storing an HDFS table with 250K files is reduced
by 2.5X.
Change-Id: I483d3cadc9d459f71a310c35a130d073597b0983
---
M CMakeLists.txt
A common/fbs/CMakeLists.txt
A common/fbs/CatalogObjects.fbs
M common/thrift/CatalogObjects.thrift
M fe/CMakeLists.txt
M fe/pom.xml
M fe/src/main/java/org/apache/impala/catalog/DiskIdMapper.java
M fe/src/main/java/org/apache/impala/catalog/HdfsCompression.java
M fe/src/main/java/org/apache/impala/catalog/HdfsPartition.java
M fe/src/main/java/org/apache/impala/catalog/HdfsTable.java
M fe/src/main/java/org/apache/impala/catalog/Table.java
M fe/src/main/java/org/apache/impala/planner/HdfsScanNode.java
M fe/src/test/java/org/apache/impala/catalog/CatalogObjectToFromThriftTest.java
13 files changed, 559 insertions(+), 323 deletions(-)
git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/06/6406/7
--
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I483d3cadc9d459f71a310c35a130d073597b0983
Gerrit-PatchSet: 7
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Dimitris Tsirogiannis <dtsirogian...@cloudera.com>
Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com>
Gerrit-Reviewer: Bharath Vissapragada <bhara...@cloudera.com>
Gerrit-Reviewer: Dimitris Tsirogiannis <dtsirogian...@cloudera.com>
Gerrit-Reviewer: Henry Robinson <he...@cloudera.com>
Gerrit-Reviewer: Marcel Kornacker <mar...@cloudera.com>
Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
