TestDFSIO job failure when probabilistically injecting faults in checksum file

Hi, all: I am a graduate student, now working on HDFS fault injection course project. I used FI framework to create data corruption in either data file or checksum file. However, when I set the injection probability to 0.1, TestDFSIO always fails if I corrupt the checksum file. If I corrupt the da

Re: how to write hadoop client to test HDFS with fault injection

d) at javax.security.auth.Subject.doAs(Subject.java:416) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:742) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1344) Thanks. Hao Yang 2011/11/29 Konstantin Boudnik > Once you have an instrumented cluster you

how to write hadoop client to test HDFS with fault injection

Hi, all: I am a graduate student, now working on HDFS fault injection course project. I used FI framework to create aspects, and hdfs-fi.jar was generated. How can I write Hadoop Client code to test the injection? Thank you. Thank you very much for your time. Best regards Hao Yang