hub / github.com/apache/hadoop

github.com/apache/hadoop @cdh5-base-2.6.0 sqlite

repository ↗ · DeepWiki ↗ · release cdh5-base-2.6.0 ↗

74,466 symbols 390,980 edges 6,008 files 21,602 documented · 29% 8 cross-repo links

Extension points exported contracts — how you extend this code

The callback interface needs to be implemented by NMClientAsync users. The APIs are called when responses fr [8 implementers]

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/async/NMClientAsync.java

Predicate (Interface)

A predicate 'closure' used by the #waitFor(int, Predicate) and #waitFor(int, boolean, Predicate) methods [6 implementers]

hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/test/HTestCase.java

Action (Interface)

Action interface [18 implementers]

hadoop-hdfs-project/hadoop-hdfs/src/test/aop/org/apache/hadoop/fi/FiTestUtil.java

Progressive (Interface)

Used to track progress of tasks. [142 implementers]

hadoop-tools/hadoop-gridmix/src/main/java/org/apache/hadoop/mapred/gridmix/Progressive.java

ResetableIterator (Interface)

This defines an iterator interface that will help the reducer class re-group its input by source tags. Once the values a [10 …

hadoop-tools/hadoop-datajoin/src/main/java/org/apache/hadoop/contrib/utils/join/ResetableIterator.java

JobStoryProducer (Interface)

JobStoryProducer produces the sequence of JobStory's. [6 implementers]

hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/JobStoryProducer.java

CLICommandTypes (Interface)

This interface is to provide command type for test commands enums [6 implementers]

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/cli/util/CLICommandTypes.java

ConnectionConfigurator (Interface)

Interface to configure HttpURLConnection created by AuthenticatedURL instances. [137 implementers]

hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/client/ConnectionConfigurator.java

Core symbols most depended-on inside this repo

get

called by 4680

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/GSet.java

append

called by 3844

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestHarFileSystem.java

equals

called by 3654

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/fs/VolumeId.java

add

called by 3199

hadoop-tools/hadoop-gridmix/src/main/java/org/apache/hadoop/mapred/gridmix/Gridmix.java

info

called by 2663

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/Interns.java

get

called by 2612

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/ReadOnlyList.java

toString

called by 2549

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/Stringifier.java

put

called by 2129

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/GSet.java

Shape

Method 63,986

Class 8,636

Function 777

Interface 672

Enum 395

Languages

Java99%

TypeScript1%

Python1%

Modules by API surface

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet/Hamlet.java1,611 symbols

hadoop-tools/hadoop-sls/src/main/html/js/thirdparty/d3.v3.js512 symbols

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOp.java512 symbols

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java443 symbols

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/hamlet/HamletSpec.java348 symbols

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/SequenceFile.java219 symbols

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java162 symbols

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java162 symbols

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestRetryCacheWithHA.java153 symbols

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java150 symbols

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java148 symbols

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java145 symbols

Dependencies from manifests, versioned

asm:asm3.2 · 1×

cglib:cglib2.2 · 1×

com.amazonaws:aws-java-sdk1.7.4 · 1×

com.cenqua.clover:clover1×

com.codahale.metrics:metrics-core3.0.1 · 1×

com.fasterxml.jackson.core:jackson-annotations1×

com.fasterxml.jackson.core:jackson-core1×

com.fasterxml.jackson.core:jackson-databind1×

com.google.code.findbugs:jsr3051.3.9 · 1×

com.google.code.gson:gson2.2.4 · 1×

com.google.guava:guava11.0.2 · 1×

com.google.inject.extensions:guice-servlet3.0 · 1×

For agents

$ claude mcp add hadoop \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact