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From leerho <>
Subject [ANNOUNCE] Apache DataSketches Memory 1.1.0-incubating has been released!
Date Mon, 26 Aug 2019 04:42:21 GMT
Hello All

1. The Apache DataSketches Memory 1.1.0-incubating has been released.

    NOTE 1: This is one component of the DataSketches library that provides
high-performance access to off-heap memory for Java applications. These are
low-level functions that are used by other DataSketches components. It does
not provide any command-line interface or GUI.

    NOTE 2: This release contains some critical performance improvements
for Apache Druid.

    NOTE 3: This particular component has been split out from the rest of
the DataSketches code because there have been a number of requests from
platform projects that are interested in these high-performance functions
independently of the remainder of the DataSketches library.

    Vote thread Permalink:

2. Download Links:


3. Source repository:

    Git Tag for this release:
on branch 1.1.X-incubating

4. Build & Test Guide:

    The DataSketches-memory component is pure Java and is structured as a
Maven project.  You must compile using JDK 8. There is one run-time
dependency for logging and, of course, a number of test and Maven plugin
dependencies, all of which can be resolved by Maven.

    There are two types of tests: normal unit tests and tests run by the
strict profile.  To run normal unit tests:

        $ mvn clean test

    To run the strict profile tests:

        $ mvn clean test -P strict

    To install jars in your local .m2 repository:

        $ mvn clean install

5. Documentation: The documentation for the DataSketches Memory component
is part of the website.

    Overview documentation:


6. DataSketches Resources:
    - Issues for datasketches-memory:
    - Mailing list:

Thank you to the IPMC members and community for taking the time to review
provide guidance on our release!

On behalf of the Apache DataSketches Community,



Apache DataSketches (incubating) is an effort undergoing incubation at
The Apache Software Foundation (ASF), sponsored by the Apache Incubator
PMC. Incubation is required of all newly accepted projects until a
further review indicates that the infrastructure, communications, and
decision making process have stabilized in a manner consistent with
other successful ASF projects. While incubation status is not
necessarily a reflection of the completeness or stability of the code,
it does indicate that the project has yet to be fully endorsed by the

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