Yuki Morishita yukim
yukim
/ k8ssandra-expand.yaml
Last active
July 27, 2021 02:25
Cassandra Meetup in Tokyo, Summer 2021: k8ssandra demo
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| cassandra: | |
| # Cassandraバージョン | |
| version: 4.0.0 | |
| # データ保存先ボリューム | |
| cassandraLibDirVolume: | |
| storageClass: standard-rwo | |
| size: 20Gi | |
| # 各ノードのヒープサイズ | |
| heap: | |
| size: 8G |
yukim
/ intro.js
Created
May 22, 2020 05:39
DSE 6.8 version of https://github.com/datastax/nodejs-driver/blob/master/examples/graph/intro.js
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| /* | |
| * Copyright DataStax, Inc. | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software |
yukim
/ Dockerfile
Last active
May 16, 2019 13:09
Steps to creating Apache Cassandra 4.0 Docker image
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| FROM cassandra-build-deb AS build-stage | |
| LABEL Author="Yuki Morishita <yukim@apache.org>" | |
| ENV DEB_DIST_DIR="/home/build/dist" | |
| WORKDIR /home/build/cassandra | |
| RUN sed -i -e "s/4\.0/4\.0-SNAPSHOT/" debian/changelog \ | |
| # Copy fqltool.jar | |
| && sed -i '/Copy stress jars/ i \\tdh_install build/tools/lib/fqltool.jar usr/share/cassandra' debian/rules \ | |
| # Add auditlogviewer & fqltool to cassandra-tools | |
| && echo "tools/bin/auditlogviewer usr/bin\ntools/bin/fqltool usr/bin" >> debian/cassandra-tools.install \ |
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| package demo; | |
| import org.apache.tinkerpop.gremlin.driver.Client; | |
| import org.apache.tinkerpop.gremlin.driver.Cluster; | |
| import org.apache.tinkerpop.gremlin.driver.remote.DriverRemoteConnection; | |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal; | |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource; | |
| import org.apache.tinkerpop.gremlin.structure.Graph; | |
| import org.apache.tinkerpop.gremlin.structure.util.empty.EmptyGraph; |
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| package com.datastax.demo; | |
| import com.datastax.driver.dse.DseCluster; | |
| import com.datastax.driver.dse.DseSession; | |
| import com.datastax.driver.dse.graph.GraphNode; | |
| import com.datastax.driver.dse.graph.GraphOptions; | |
| import com.datastax.driver.dse.graph.GraphStatement; | |
| import com.datastax.dse.graph.api.DseGraph; | |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal; | |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource; |
yukim
/ movielense_loader.groovy
Created
September 8, 2017 12:45
DSE Graph Loader example to load MovieLens 1M Dataset
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| config create_schema: false | |
| occupations = [0:'other', 1:'academic/educator', 2:'artist', \ | |
| 3:'clerical/admin', 4:'college/grad student', 5:'customer service', \ | |
| 6:'doctor/health care', 7:'executive/managerial', 8:'farmer', \ | |
| 9:'homemaker', 10:'K-12 student', 11:'lawyer', 12:'programmer', \ | |
| 13:'retired', 14:'sales/marketing', 15:'scientist', 16:'self-employed', \ | |
| 17:'technician/engineer', 18:'tradesman/craftsman', 19:'unemployed', 20:'writer'] | |
| inputDir = './movielense/ml-1m/' |
yukim
/ gist:291d6d0435608aae75fd
Created
July 7, 2015 14:27
mvn dependency:tree for Apache Cassandra
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| [INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ cassandra-all --- | |
| [INFO] org.apache.cassandra:cassandra-all:jar:3.0.0-SNAPSHOT | |
| [INFO] +- org.xerial.snappy:snappy-java:jar:1.1.1.7:compile | |
| [INFO] +- net.jpountz.lz4:lz4:jar:1.3.0:compile | |
| [INFO] +- com.ning:compress-lzf:jar:0.8.4:compile | |
| [INFO] +- com.google.guava:guava:jar:18.0:compile | |
| [INFO] +- commons-cli:commons-cli:jar:1.1:compile | |
| [INFO] +- commons-codec:commons-codec:jar:1.2:compile | |
| [INFO] +- org.apache.commons:commons-lang3:jar:3.1:compile | |
| [INFO] +- org.apache.commons:commons-math3:jar:3.2:compile |
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| diff --git a/src/java/org/apache/cassandra/streaming/ConnectionHandler.java b/src/java/org/apache/cassandra/streaming/ConnectionHandler.java | |
| index 356138b..b06a818 100644 | |
| --- a/src/java/org/apache/cassandra/streaming/ConnectionHandler.java | |
| +++ b/src/java/org/apache/cassandra/streaming/ConnectionHandler.java | |
| @@ -366,7 +366,7 @@ public class ConnectionHandler | |
| { | |
| throw new AssertionError(e); | |
| } | |
| - catch (IOException e) | |
| + catch (Throwable e) |
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| package org.apache.cassandra; | |
| import java.util.concurrent.TimeUnit; | |
| import com.yammer.metrics.stats.EWMA; | |
| import static java.lang.Math.exp; | |
| public class EWMATest | |
| { |
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| diff --git a/src/java/org/apache/cassandra/db/commitlog/CommitLogSegmentManager.java b/src/java/org/apache/cassandra/db/commitlog/CommitLogSegmentManager.java | |
| index 4275362..815616b 100644 | |
| --- a/src/java/org/apache/cassandra/db/commitlog/CommitLogSegmentManager.java | |
| +++ b/src/java/org/apache/cassandra/db/commitlog/CommitLogSegmentManager.java | |
| @@ -288,10 +288,9 @@ public class CommitLogSegmentManager | |
| advanceAllocatingFrom(last); | |
| // flush and wait for all CFs that are dirty in segments up-to and including 'last' | |
| - Future<?> future = flushDataFrom(segmentsToRecycle); | |
| try |
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