A.J. Institute of Medical Sciences & Research Centr Interview Questions and Answers

Performa is a performance monitoring tool for HPE 3PAR storage arrays.

• Performa provides real-time monitoring of storage performance metrics.

• It helps identify performance bottlenecks and optimize storage performance.

• Performa can generate reports and alerts based on user-defined thresholds.

• It can also be used for capacity planning and trend analysis.

• Examples of performance metrics monitored by Performa include IOPS, late

MongoDB database algorithms are used for efficient data storage, retrieval, and processing.

• MongoDB uses various algorithms for indexing, sharding, and aggregation.

• Indexing algorithms include B-tree, hash, and text search indexes.

• Sharding algorithms include range-based, hash-based, and zone-based sharding.

• Aggregation algorithms include map-reduce and aggregation pipeline.

• MongoDB also uses algorithms for query optimizati