Interested to Buy Any Domain ? << Click Here >> for more details...
When NameNode enter in Safe Mode?
- 1 Answers
- 58 Views
- I also Faced
- E-Mail Answers
Answer / Sandeep Nigam
The NameNode enters Safe Mode when there are unclean shutdowns, such as power outages or hardware failures. In this state, the NameNode refuses to accept any write requests and will only process read requests for metadata.
| Is This Answer Correct ? | 0 Yes | 0 No |
How to use hdfs put command for data transfer from flume to hdfs?
How will you perform the inter cluster data copying work in hdfs?
What is a task tracker?
Explain the difference between nas and hdfs?
What is the importance of dfs.namenode.name.dir in HDFS?
How would you import data from MYSQL into HDFS ?
What is a difference between an input split and hdfs block?
In HDFS, how Name node determines which data node to write on?
What do you mean by block scanner in hdfs?
Explain the hdfs architecture and list the various hdfs daemons in hdfs cluster?
Is namenode also a commodity?
What is non-dfs used in hdfs web console
-
Apache Hadoop (394) - MapReduce (354)
- Apache Hive (345)
- Apache Pig (225)
- Apache Spark (991)
- Apache HBase (164)
- Apache Flume (95)
- Apache Impala (72)
- Apache Cassandra (392)
- Apache Mahout (35)
- Apache Sqoop (82)
- Apache ZooKeeper (65)
- Apache Ambari (93)
- Apache HCatalog (34)
- Apache HDFS Hadoop Distributed File System (214)
- Apache Kafka (189)
- Apache Avro (26)
- Apache Presto (15)
- Apache Tajo (26)
- Hadoop General (407)
