kafka主要组成部分是source、sink和channel

kafka主要组成部分是source、sink和channel


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关于无缓冲和有冲突的channel,下面说法正确的是() A. 无缓冲的channel是默认的缓冲为1的channelB. 无缓冲的channel和有缓冲的channel都是同步的C. 无缓冲的channel和有缓冲的channel都是非同步的D. 无缓冲的channel是同步的,而有缓冲的channel是非同步的

In information theory, "information" is regarded as knowledge which reduces or removes(71) about the occurrence of a specific event from a given set of possible events. The concept "event" is to be understood as used in the theory of probability. For instance, an event may be the occurrence of a(72) character or word in a given message or in a given position of a message.In communication theory, channel is defined as that part of a communication system that connects the message source with the message sink. An encoder may be inserted between the message source and the input to the channel, and a(73) between the output of the channel and the message sink. Generally, these two units are not considered as being parts of the channel. In certain cases, however, they may be considered as pans of the message source and message sink,(74) In information theory(75) to Shannon, the channel can be characterized by the set of conditional probabilities of occurrence of all the messages received at the message sink when a given message emanates from the message source.A.uncertaintyB.unreliabilityC.randomnessD.inconsistency

flume中的三大组件为source、channel、sink

Kafka是由哪个组织研的组件()A、googleB、apacheC、sunD、oracle

kafka架构中的三个主体架构组成部分是()A、生产者B、消费者C、brokerD、文件系统

flume在配置文件中需要对以下哪几步操作()A、配置sourceB、配置sinkC、配置channelD、将source、channel、sink连接起来

kafka是中的partition是最小的存储单元

下面哪些系统可以和Kafka集成()A、FlumeB、StromC、SparkD、ElasticSearch

flume中的三大组件为source、channel、sinks

kafka主要作用是实时的在线流式计算

下列关于kafka在进行消费数据消费时候的叙述正确的是()A、消费者主动拉取数据消费B、kafka推送数据到消费者进行消费C、kafka在进行消费数据的时候是延时的D、以上说法都不对

What should be done if Cisco Spectrum Expert Wi-Fi reports a channel utilization of 40 percent onchannel 36, from a source outside of the site?()A、Report the problem to the FCCB、Report the problem to the FAAC、Remove channel 36 from the DCA channel listD、Configure channel 36 to bond to channel 40 for a 40Mhz 802.11n channel

What is the result of entering the command port-channel load-balance src-dst-ip on an EtherChannel link? ()A、Packets are distributed across the ports in the channel based on both the source and destination MAC addresses.B、Packets are distributed across the ports in the channel based on both the source and destination IP addresses.C、Packets are balanced across the ports in the channel based first on the source MAC address, then on the destination MAC address, then on the IP address.D、Packets are distributed across the access ports in the channel based first on the source IP address and then the destination IP addresses.

HBase内置的分布式协同调度和锁叫做()A、BookeeperB、ZookeeperC、ChubbyD、Kafka

如果想正常启动flume,需要给flume进行哪些配置()A、配置sourceB、配置sinkC、配置channelD、将source、channel、sink连接起来

flume在配置文件中操作有如下几个()A、配置sourceB、配置sinkC、配置channelD、将source、channel、sink连接起来

flume中的agent包含四大组件分别为source、task、channel、sink

分区是kafka消息队列的最小单位

Which statement about SAN port channels configured on Cisco Nexus 5000 Series Switches is true?()  A、 A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces. B、 SAN port channels can include up to 16 interfaces.C、 SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used.D、 The links in SAN port channels can be connected to different sets of switches.E、 The On mode of operation means ports only operate as part of a SAN port channel or remain inactive.

当下降率过大时,出现的语音警告是()A、“TERRAIN”B、“DONT SINK”C、“SINK RATE(下沉率)”“PULL UP(拉起)”

(EMB145)GPWS方式2警告提供的语音信息是()A、SINK RATEB、TERRAIN,TERRAINC、DON‘T SINK

方式一警告语音有()A、SINK RATE、PULLUPB、SINK RATEC、PULLUPD、没有语音警告

单选题Communication is the process of _____ a message from a source to an audience via a channel.AtransmittingBtransformingCsubmittingDswitching

单选题Which of the following statements is correct concerning heat transfer?()AHeat is given off from a high temperature region known as a heat sinkBHeat transfer rate is affected most by the size of the heat sink involvedCHeat transfer rate is affected most by the temperature difference between the heat source and the heat sinkDHeat transfer by radiation will occur only by mass motion of a fluid substance

问答题请分别描述Pig、Tez和Kafka的功能。

单选题Which statement about SAN port channels configured on Cisco Nexus 5000 Series Switches is true?()A A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces. B SAN port channels can include up to 16 interfaces.C SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used.D The links in SAN port channels can be connected to different sets of switches.E The On mode of operation means ports only operate as part of a SAN port channel or remain inactive.

(难度:中等)Kafka是分布式发布-订阅消息系统