[Backport] Logic adjustments to SeekableStreamIndexTaskRunner.

.gitignore

@@ -14,3 +14,4 @@ target
 *.DS_Store
 _site
 dependency-reduced-pom.xml
+README.BINARY

LABELS.md

@@ -0,0 +1,106 @@
+
+### Licensing Labels
+
+#### Binary-only
+
+    This product bundles fonts from Font Awesome Free version 4.2.0, copyright Font Awesome,
+     which is available under the SIL OFL 1.1. For details, see licenses/bin/font-awesome.silofl
+      * https://fontawesome.com/
+
+    This product bundles JavaBeans Activation Framework version 1.2.0, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/javax.activation.CDDL11
+      * https://github.com/javaee/activation
+      * com.sun.activation:javax.activation
+
+    This product bundles Jersey version 1.19.3, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/jersey.CDDL11
+      * https://jersey.github.io/
+      * com.sun.jersey:jersey-core
+      * com.sun.jersey:jersey-server
+      * com.sun.jersey:jersey-servlet
+      * com.sun.jersey:contribs
+
+    This product bundles Expression Language 3.0 API version 3.0.0., copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/javax.CDDL11
+      * https://github.com/javaee/el-spec
+      * javax.el:javax.el-api
+
+    This product bundles Java Servlet API version 3.1.0, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/javax.CDDL11
+      * https://github.com/javaee/servlet-spec
+      * javax.servlet:javax.servlet-api
+
+    This product bundles JSR311 API version 1.1.1, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/jsr311-api.CDDL11
+      * https://github.com/javaee/jsr311
+      * javax.ws.rs:jsr311-api
+
+    This product bundles Expression Language 3.0 version 3.0.0., copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/javax.CDDL11
+      * https://github.com/javaee/el-spec
+      * org.glassfish:javax.el
+
+    This product bundles Jersey version 1.9, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/jersey.CDDL11
+      * https://jersey.github.io/
+      * com.sun.jersey:jersey-client
+      * com.sun.jersey:jersey-core
+
+    This product bundles JavaBeans Activation Framework version 1.1, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/javaxCDDL11
+      * https://github.com/javaee/activation
+      * javax.activation:activation
+
+    This product bundles Java Servlet API version 2.5, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/javax.CDDL11
+      * https://github.com/javaee/servlet-spec
+      * javax.servlet:javax.servlet-api
+
+    This product bundles JAXB version 2.2.2, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/javax.CDDL11
+      * https://github.com/javaee/jaxb-v2
+      * javax.xml.bind:jaxb-api
+
+    This product bundles stax-api version 1.0-2, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/javax.CDDL11
+      * https://github.com/javaee/
+      * javax.xml.stream:stax-api
+
+    This product bundles jsp-api version 2.1, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/javax.CDDL11
+      * https://github.com/javaee/javaee-jsp-api
+      * javax.servlet.jsp:jsp-api
+
+    This product bundles Jersey version 1.15, copyright Oracle and/or its affiliates.,
+     which is available under the CDDL 1.1. For details, see licenses/bin/jersey.CDDL11
+      * https://jersey.github.io/
+      * com.sun.jersey:jersey-client
+
+    This product bundles OkHttp Aether Connector version 0.0.9, copyright to original author or authors,
+     which is available under the Eclipse Public License 1.0. For details, see licenses/bin/aether-connector-okhttp.EPL1.
+      * https://github.com/takari/aether-connector-okhttp
+      * io.tesla.aether:aether-connector-okhttp
+
+    This product bundles Tesla Aether version 0.0.5, copyright to original author or authors,
+     which is available under the Eclipse Public License 1.0. For details, see licenses/bin/tesla-aether.EPL1.
+      * https://github.com/tesla/tesla-aether
+      * io.tesla.aether:tesla-aether
+
+    This product bundles Eclipse Aether libraries version 0.9.0.M2, copyright Sonatype, Inc.,
+     which is available under the Eclipse Public License 1.0. For details, see licenses/bin/aether-core.EPL1.
+      * https://github.com/eclipse/aether-core
+      * org.eclipse.aether:aether-api
+      * org.eclipse.aether:aether-connector-file
+      * org.eclipse.aether:aether-impl
+      * org.eclipse.aether:aether-spi
+      * org.eclipse.aether:aether-util
+
+    This product bundles Rhino version 1.7R5, copyright Mozilla and individual contributors.,
+     which is available under the Mozilla Public License Version 2.0. For details, see licenses/bin/rhino.MPL2.
+      * https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Rhino
+      * org.mozilla:rhino
+
+    This product bundles "Java Concurrency In Practice" Book Annotations, copyright Brian Goetz and Tim Peierls,
+     which is available under the Creative Commons Attribution 2.5 license. For details, see licenses/bin/creative-commons-2.5.LICENSE.
+      * http://jcip.net/
+      * net.jcip:jcip-annotations

LICENSE

@@ -200,3 +200,99 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
+
+   APACHE DRUID (INCUBATING) SUBCOMPONENTS:
+
+   Apache Druid (incubating) includes a number of subcomponents with
+   separate copyright notices and license terms. Your use of the source
+   code for these subcomponents is subject to the terms and
+   conditions of the following licenses.
+
+
+Apache License version 2.0
+================================
+
+SOURCE/JAVA-CORE
+    This product contains conjunctive normal form conversion code, a variance aggregator algorithm, and Bloom filter
+     adapted from Apache Hive.
+      * processing/src/main/java/org/apache/druid/segment/filter/Filters.java
+      * extensions-core/stats/src/main/java/io/druid/query/aggregation/variance/VarianceAggregatorCollector.java
+      * extensions-core/druid-bloom-filter/src/main/java/org/apache/druid/query/filter/BloomKFilter.java
+
+    This product contains variable length long deserialization code adapted from Apache Lucene.
+      * processing/src/main/java/org/apache/druid/segment/data/VSizeLongSerde.java
+
+    This product contains SQL query planning code adapted from Apache Calcite.
+      * sql/src/main/java/org/apache/druid/sql/calcite/
+
+    This product contains Kerberos authentication code adapted from Apache Hadoop.
+      * extensions-core/druid-kerberos/src/main/java/org/apache/druid/security/kerberos/
+
+    This product contains a modified version of the java-alphanum library,
+     copyright Andrew Duffy (https://github.com/amjjd/java-alphanum).
+      * processing/src/main/java/org/apache/druid/query/ordering/StringComparators.java
+
+    This product contains a modified version of the Metamarkets java-util library,
+     copyright Metamarkets Group Inc. (https://github.com/metamx/java-util).
+      * java-util/
+
+    This product contains a modified version of the Metamarkets bytebuffer-collections library,
+     copyright Metamarkets Group Inc. (https://github.com/metamx/bytebuffer-collections)
+      * processing/src/main/java/org/apache/druid/collections/
+
+    This product contains a modified version of the Metamarkets extendedset library,
+     copyright Metamarkets Group Inc. (https://github.com/metamx/extendedset)
+      * extendedset/
+
+    This product contains a modified version of the CONCISE (COmpressed 'N' Composable Integer SEt) library,
+     copyright Alessandro Colantonio (https://sourceforge.net/projects/concise/), extending the functionality of
+     ConciseSet to use IntBuffers.
+      * extendedset/src/main/java/org/apache/druid/extendedset/intset/
+
+    This product contains modified portions of the Guava library,
+     copyright The Guava Authors (https://github.com/google/guava).
+      Closer class:
+      * core/src/main/java/org/apache/druid/java/util/common/io/Closer.java
+      Splitter.splitToList() method:
+      * core/src/main/java/org/apache/druid/java/util/common/parsers/DelimitedParser.java
+      DirectExecutorService class:
+      * core/src/main/java/org/apache/druid/java/util/common/concurrent/DirectExecutorService.java
+
+    This product contains modified versions of the Dockerfile and related configuration files
+     from SequenceIQ's Hadoop Docker image, copyright SequenceIQ, Inc. (https://github.com/sequenceiq/hadoop-docker/)
+      * examples/quickstart/tutorial/hadoop/docker/
+
+    This product contains fixed bins histogram percentile computation code adapted from Netflix Spectator,
+     copyright Netflix, Inc. (https://github.com/Netflix/spectator)
+      * extensions-core/histogram/src/main/java/org/apache/druid/query/aggregation/histogram/FixedBucketsHistogram.java
+
+
+MIT License
+================================
+
+SOURCE/WEB-CONSOLE
+    This product bundles jQuery version 1.11.0, copyright jQuery Foundation, Inc.,
+     which is available under an MIT license. For details, see licenses/src/jquery.MIT.
+
+    This product bundles jQuery UI version 1.9.2, copyright jQuery Foundation and other contributors,
+     which is available under an MIT license. For details, see licenses/src/jquery-ui.MIT.
+
+    This product bundles underscore version 1.2.2, copyright Jeremy Ashkenas, DocumentCloud,
+     which is available under an MIT license. For details, see licenses/src/underscore.MIT.
+
+
+BSD-3-Clause License
+================================
+
+SOURCE/WEB-CONSOLE
+    This product bundles demo_table.css and jquery.dataTables.js from DataTables version 1.8.2, copyright Allan Jardine.,
+     which is available under a BSD-3-Clause License. For details, see licenses/src/datatables.BSD3.
+
+
+Public Domain
+================================
+
+SOURCE/JAVA-CORE
+    This product uses a smear function adapted from MurmurHash3, written by Austin Appleby who has placed
+     MurmurHash3 in the public domain (https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp).
+      * processing/src/main/java/org/apache/druid/query/groupby/epinephelinae/Groupers.java