Sharding & Partitioning — pick a scenario
0/4 donePick one and press Start, then click Next › to step through it.
Watch forOne shard's column climbing while the other three stay empty, then turning red.
More about this scenario
You'll learnWhy range partitioning on a sequential key (an id, a timestamp) sends all the load to one shard.
How it runsEach key's shard key falls in the same contiguous range band, so every one routes to the same shard.