Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Symptom

Symptom 1

15/12/10 07:44:21 ERROR shuffle.OneForOneBlockFetcher: Failed while starting block fetches

java.lang.RuntimeException: java.io.FileNotFoundException: /hadoop/1/scratch/local/usercache/dclong/appcache/application_1447357188616_340392 …