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asterix-gerrit.ics.uci.edu / asterixdb / 62914c636ea5f922565b5340c669b4ebb8fc7859
commit62914c636ea5f922565b5340c669b4ebb8fc7859[log] [tgz]
authorAbdullah Alamoudi <bamousaa@gmail.com>Sun Aug 20 19:26:14 2017 -0700
committerabdullah alamoudi <bamousaa@gmail.com>Mon Aug 21 12:42:45 2017 -0700
tree4cfb374bfaff0ce03aa671fe4ab8ef2f7f7fafaa
parent09f958c1b1b70ba3731797ec16cc3bc52f251fd8 [diff]
[ASTERIXDB-2049][ING] Fix hang in Start Feed

- user model changes: no
- storage format changes: no
- interface changes: no

details:
- The hang is caused by one runtime finishing and unregistering
  before another runtime registers. When that happens, the number
  of registered runtimes never reaches the total number of runtimes
  and so the start feed statement doesn't complete.
- To avoid the situation described above, we use different counters
  for registration and deregistration. Since deregistration count
  is now kept in another variable, the registrations will either
  reach the expected count or a failure will happen and both
  cases completes the start feed request.

Change-Id: I0019f5634009bf924fb37acc78eb796842eef492
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1953
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
9 files changed
tree: 4cfb374bfaff0ce03aa671fe4ab8ef2f7f7fafaa
  1. .gitattributes
  2. .gitignore
  3. README.md
  4. asterixdb/
  5. build.xml
  6. hyracks-fullstack/
  7. pom.xml
README.md

What is AsterixDB?

AsterixDB is a BDMS (Big Data Management System) with a rich feature set that sets it apart from other Big Data platforms. Its feature set makes it well-suited to modern needs such as web data warehousing and social data storage and analysis. AsterixDB has:

  • Data model
    A semistructured NoSQL style data model (ADM) resulting from extending JSON with object database ideas

  • Query languages
    Two expressive and declarative query languages (SQL++ and AQL) that support a broad range of queries and analysis over semistructured data

  • Scalability
    A parallel runtime query execution engine, Apache Hyracks, that has been scale-tested on up to 1000+ cores and 500+ disks

  • Native storage
    Partitioned LSM-based data storage and indexing to support efficient ingestion and management of semistructured data

  • External storage
    Support for query access to externally stored data (e.g., data in HDFS) as well as to data stored natively by AsterixDB

  • Data types
    A rich set of primitive data types, including spatial and temporal data in addition to integer, floating point, and textual data

  • Indexing
    Secondary indexing options that include B+ trees, R trees, and inverted keyword (exact and fuzzy) index types

  • Transactions
    Basic transactional (concurrency and recovery) capabilities akin to those of a NoSQL store

Learn more about AsterixDB at its website.

Build from source

To build AsterixDB from source, you should have a platform with the following:

  • A Unix-ish environment (Linux, OS X, will all do).
  • git
  • Maven 3.3.9 or newer.
  • Oracle JDK 8 or newer.

Instructions for building the master:

  • Checkout AsterixDB master:

      $git clone https://github.com/apache/asterixdb.git

  • Build AsterixDB master:

      $cd asterixdb
  $mvn clean package -DskipTests

Run the build on your machine

Here are steps to get AsterixDB running on your local machine:

  • Start a single-machine AsterixDB instance:

      $cd asterixdb/asterix-server/target/asterix-server-*-binary-assembly/
  $./opt/local/bin/start-sample-cluster.sh

  • Good to go and run queries in your browser at:

      http://localhost:19001

  • Read more documentations to learn the data model, query language, and how to create a cluster instance.

Documentation

Community support