容量和速度单位:bit/byte/Hz

简介:本文主要罗列IT领域中经常用到的容量和速度单位,如bit位、byte字节和Hz

Bit:位,计算机中存放数据的二进制单位,如0/1

Byte:字节,8个位等于一个字节,计算机存储数据的单位

KB1024Byte

MB1024KB

GB1024MB

TB1024GB

PB1024TB

Hz:秒分之一,1Hz表示一秒运算一次

1GHz1000*1000*1000Hz,注意,这里是1000而不是1024

MbpsMbitsper second,每秒传送多少字节,8M/1MADSL转换为字节,其理论最大传输值为每秒1Mbyte/每秒125Kbyte的上传下载容量

备注:硬盘厂商一般使用十进制表示磁盘容量,购买500GB的硬盘,实际容量只有(500*1000*1000*1000)/(1024*1024*1024),约为465GB




INFO Client:54 - client token: N/A diagnostics: Application application_1686359558924_0001 failed 2 times due to AM Container for appattempt_1686359558924_0001_000002 exited with exitCode: 13 For more detailed output, check application tracking page:http://spark01:8088/cluster/app/application_1686359558924_0001Then, click on links to logs of each attempt. Diagnostics: Exception from container-launch. Container id: container_e01_1686359558924_0001_02_000001 Exit code: 13 Stack trace: ExitCodeException exitCode=13: at org.apache.hadoop.util.Shell.runCommand(Shell.java:585) at org.apache.hadoop.util.Shell.run(Shell.java:482) at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:776) at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:212) at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302) at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Container exited with a non-zero exit code 13 Failing this attempt. Failing the application. ApplicationMaster host: N/A ApplicationMaster RPC port: -1 queue: default start time: 1686359786278 final status: FAILED tracking URL: http://spark01:8088/cluster/app/application_1686359558924_0001 user: root Exception in thread "main" org.apache.spark.SparkException: Application application_1686359558924_0001 finished with failed status at org.apache.spark.deploy.yarn.Client.run(Client.scala:1165) at org.apache.spark.deploy.yarn.YarnClusterApplication.start(Client.scala:1520) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:894) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:198) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:228) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:137) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) 2023-06-10 09:20:01 INFO ShutdownHookManager:54 - Shutdown hook called 2023-06-10 09:20:01 INFO ShutdownHookManager:54 - Deleting directory /tmp/spark-7a611aba-e3f1-4ee9-9829-f1bc45c9348d 2023-06-10 09:20:01 INFO ShutdownHookManager:54 - Deleting directory /tmp/spark-b69c8ca8-924f-430e-9a7c-625efd9e9f47
06-11
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