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Partitioning: Consistent Hashing
While ending our discussion on various approaches to partitioning, we saw how the typical hashing approaches fail when we encounter…
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Partitioning: Approaches to partitioning
Before diving into approaches to partition a database, let us clear up one thing in aspect of partition and its…
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Partitioning: Introduction to partitioning
Until now we have seen how replication helps in scaling a read-intensive workload. We keep one or more nodes as…
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Replication: Handling Concurrent Writes
In all the replication methodologies, we have seen a common issue which all of the replication methods fail to solve…
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Replication: Maintaining a Quorum
In Introduction to Leaderless Replication we saw that Quorum plays a huge part. We need some way to ensure that…
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Replication: Introducing leaderless replication
Up until now in a single leader and multi-leader replication our assumption was that client will send an update request…
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Replication: Conflict resolution in multi-leader replication
We ended our introduction to multi-leader replication system by stating that one of the main challenges with a multi-leader replication…
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Replication: Can we have more than one leader?
Answer to above question is a resounding YES! Up until now we have covered leader-follower based replication where all the…
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Replication: Issues with replication lag
In the last post about comparison between synchronous & asynchronous replication, we saw how synchronous replication can end up blocking…
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Replication: Synchronous vs Asynchronous replication
Replication solves another problem in addition to reliability. It allows the system to scale along with the increase in request…