HCIP-Big Data H13-723_V2.0 Updated Exam

Only use HMI account.

Only the machine account can be used.

A client does not support the simultaneous use of multiple accounts.

The ticket obtained by executing this command is intwenty fourIt will time out when it is small and needs to be executed againkinitcommand to log in again.

If ZooKeeperIf there is an interruption in the process of synchronizing the message, after the failure is recovered, the transmission status before the failure can be adjusted according to the the state continues to synchronize, that is, support for resuming transmission from a breakpoint.

ZooKeeperUse a custom atomic message protocol to ensure the consistency of node data in the entire system.

ZooKeeperThe cluster is elected at startupLeaderRole.

LeaderAfter a node receives a data change request, it first writes to disk and then writes to memory.

Build queuing systems, such as message queues

uniq operations, such as getting the ranking value of all data in a certain period of time

Get the latest N data operations: For example, for a Weibo, get the latest 10 comments,

Simulate stack operations

Table Name

table names and columns

Table names and column families(family)

can be empty