Building software
sari and
Building software
The "Painless" data migration
- Another challenge was to incorporate the above changes for the existing data i.e. increasing the number of shards and defining a custom routing key for each of the document. The existing index had close to 33 MN documents at the time of the change
- Given that the routing key and the number of shards needed to changes, a
Improving query performance in ElasticSearch at scale
I’ve built software that iterates slower than SpaceX is iterating starships.
Between 1 & 2: new actuation, launch pad cooling, hot staging and on and on
“For any given technology development, it’s how many iterations you have and the time between... See more
Patrick OShaughnessyx.com
Database Partitioning is when you split the data inside the database into smaller "databases". One partition holds a part of your data. All partitions together form the entire database.
Partitioning is often used with replication, which means each partition's data is copied onto multiple nodes. This way, even though each record is in only one partition, it can be stored on different nodes for fault tolerance. A node may hold more than one partition.
When using a leader-follower replication model, the mix of partitioning and replication might look like this: