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Ratik Mahajan
Ratik Mahajan

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What are the metrics for measuring a system performance.

CAP theoram states that the system which you are building should have 3 parts and all 3 of them is not possible:
C: consistency: when we do the write operation in the system. we store the data in the system. then when we are trying to fetch the data. latest data should be available.
A: Availability: system should be available. there should be no downtime.

  • replication of database
  • more instance of the service
  • non blocking request
  • scaling horizontally P****: performance: how is performance of the system measured:
  • throughput: it is usuallu calcualted in bits/second. how much data travels through a user from the system in time period.
  • latency: speed at which message is delivered
  • availability:uptime and downtime

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