Channel supports transactions and provides weaker order guarantees. Any number of Sources and Sinks can be connected.
kafka is a high-throughput, distributed, publish-subscribe-based messaging system. Using kafka technology, a large-scale messaging system can be built on cheap PC Server_.
In the Fusioninsight HD system, HBase supports dynamic expansion of columns.
Big data requires the transformation of traditional industry thinking. Data collection and analysis should be regarded as an important part of business processes. The data end drives business process optimization, realizes intelligence and automation, and relies on data assets to achieve cross-border expansion
When deploying Solr on Fusioninsight HD, if you choose to store the index on the local disk, it is recommended to mount a separate disk for the data directory of each SolrServer instance, and configure the disk as RAID0 or RAID5.
If the data producer needs to decide to send data to a certain task of the target Bolt. Which of the following message publishing strategies should be selected
MapReduceprocess, by default,oneEach shard is a block, andYesOneMap Tasks.
HBasetable design, column families andRowKeyIt is an important part of table design. Which of the following options is not suitableDoRowKey?
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Which of the following options are action operators?
HDFSWhat are the benefits of abstract blocks?
Spark Streaming? The fault tolerance mechanism means that if any partition in the RDD fails, it can be recalculated and generated according to its parent RDD. If the parent RDD is lost, you need to go to the disk to find the original data.
HBasoTo achieve the scale of bench drills with billions of accidents and millions of columns, which of the following options is required?
As an authentication server center, Kerberos1 can provide unified authentication services to all services in the cluster and secondary development applications of customers.
