bin/kafka-topics.sh --zookeeper localhost:2181 --list
bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic mytopic
bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --config retention.ms=1000
... wait a minute ...
// Copyright 2020 Google LLC | |
// | |
// 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 | |
// distributed under the License is distributed on an "AS IS" BASIS, |
bin/kafka-topics.sh --zookeeper localhost:2181 --list
bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic mytopic
bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --config retention.ms=1000
... wait a minute ...
org.keycloak.testsuite.KeycloakServer
-Dkeycloak.bind.address=0.0.0.0
-Djava.net.preferIPv4Stack=true
-Dkeycloak.connectionsJpa.url=jdbc:postgresql://localhost:5432/keycloak_4_x_master
-Dkeycloak.connectionsJpa.driver=org.postgresql.Driver
-Dkeycloak.connectionsJpa.driverDialect=org.hibernate.dialect.PostgreSQLDialect
$ brew install -v mp3wrap ffmpeg id3lib | |
$ mp3wrap tmp.mp3 1.mp3 2.mp3 3.mp3 .... | |
$ ffmpeg -i tmp_MP3WRAP.mp3 -acodec copy all.mp3 && rm tmp_MP3WRAP.mp3 | |
$ id3cp 1.mp3 all.mp3 |
Let's have some command-line fun with curl, [jq][1], and the [new GitHub Search API][2].
Today we're looking for:
//================================================================== | |
// SPARK INSTRUMENTATION | |
//================================================================== | |
import com.codahale.metrics.{MetricRegistry, Meter, Gauge} | |
import org.apache.spark.{SparkEnv, Accumulator} | |
import org.apache.spark.metrics.source.Source | |
import org.joda.time.DateTime | |
import scala.collection.mutable |