HCIA-Big Data Changed H13-711_V3.0 Questions

The file data of the client is passed to the DataNode through the NameNode

Allows the client to divide the file into multiple blocks, according to DaThe address information of taNodel is entered into each DataNode in order

The client writes the entire file to each DataNodel in sequence according to the address information of the DataNode, and then divides the file into multiple blos by the DataNode)ck

The client only uploads data to one DataNode, and then the NameNodet is responsible for block replication

You can specify a specific user for log collection, for example, only download logs generated by UserA.

You can specify a time period for log collection, for example, only collect logs from 2016-1-1 to 2016-1-10.

You can specify an instance for log collection, for example, specify to collect metstore logs.

The node IP can be specified for log collection, for example, only the logs of a certain IP can be downloaded.

A user-submitted task can use 100% of QueueA's resources

Each user in QueueA can only get up to 50% of the resources

If there are already 2 user tasks running in QueueA, then the task submitted by the third user needs to wait for the release of resources

QueueA must ensure that each user gets at least 50% of the resources

Apply for and receive resources

Set up the running environment for the task

Allocate Container

Start a Map or Reduce task