H13-723_V2.0 Exam Dumps - Huawei HCIP-Big Data Questions and Answers

mapandcombine

reduceandcombine

combineandsort

mapandreduce

Create an input stream

Create output stream

Business action statements (such asSELECT,INSERT,JIONWait)

Apply commit statement

mouthIbClient.setRequestWriter(new BinaryRequestWriterO);

mouthif(updateRequest.getDocumentsMapO.size)>=10000){

cloudSolrClient.request(updateRequest,collName);updateRequest.clear);

mouthif(updateRequest.getDocuments).size(O>=1000){

cloudSolrClient.request(updateRequest,collName);updateRequest.clearO;

S8tW9H2xgntdc=new SolrInputDocument);

doc.addField("id",i.tostring( )doc.addField("name", "Zhang San4i);

doc.addField("features","test"+i):

doc.addreldc"price, (float)*1.oi);

cloudSolrClient.add(doc);

cloudSolrClient.commitO:

In a network isolation environment,ZooKeeperofIPCan be configured as a businessIP, can also be configured to manageIP.

hiveUnlike traditional databases, soJDB, CThe established connection does not need to be closed.

In a secure cluster environment, establish andHiveBefore connecting, you need to use unified authentication to log in.

useJDB, CsubmitSQL, you canSQLPut a semicolon after the statement";"

True

False

enabledAckerLater,StreamingIt will identify the failure to sendTupleAnd automatically resend, no need for human intervention pre.

AckerThe message that will identify the processing timeout or processing failure isfail.

fromspoutstarted, formedTupleFailure of any link in the tree will mark the entire tree as failed.

The application needs to be inspoutoffail() interface method to implement message resend logic.

NodeManager

container

ResourceManager

AppMaster

mouthkill

mouthrun

mouthresume(wake)

mouthsubmit

Key

Value

timeStamp

KeyType

INCR(increment the stored digital value by one)

HINCRBY(for the hash tablekeydomain infieldvalue plus incrementincrement)

LPUSH(for linked listspushoperate)

All of the above