commit | 91944d2c263b2f1738d0e44cc026f1a693f19640 | [log] [tgz] |
---|---|---|
author | Indhumathi27 <indhumathim27@gmail.com> | Thu Apr 16 13:27:14 2020 +0530 |
committer | akashrn5 <akashnilugal@gmail.com> | Wed Apr 29 16:43:31 2020 +0530 |
tree | 5685eb53e29d050465728524a3970b3b8e194ac9 | |
parent | f74e9765b82aa3dddcbe296f2983db55b9354d27 [diff] |
[CARBONDATA-3773] Skip Validate partition info in Indexserver count star flow Why is this PR needed? BlockIndex.ValidatePartitionInfo check was added for IUD scenario as part of countStar query performance improvement in PR-3148. For count(*) flow with indexserver, validatePartitionInfo is called multiple times (No. of Blocks * No. of Partitions), which is not required. What changes were proposed in this PR? Skip ValidatePartition check in case of Count(*) query with indexserver This coses #3714
Apache CarbonData is an indexed columnar data store solution for fast analytics on big data platform, e.g.Apache Hadoop, Apache Spark, etc.
You can find the latest CarbonData document and learn more at: http://carbondata.apache.org
CarbonData file format is a columnar store in HDFS, it has many features that a modern columnar format has, such as splittable, compression schema ,complex data type etc, and CarbonData has following unique features:
CarbonData is built using Apache Maven, to build CarbonData
This is an active open source project for everyone, and we are always open to people who want to use this system or contribute to it. This guide document introduce how to contribute to CarbonData.
To get involved in CarbonData:
Apache CarbonData is an open source project of The Apache Software Foundation (ASF).