Arul Ajmani

kvcoord: secondary tenants do not take network latency into account when routing batch requests

5

**Describe the problem** The `DistSender` sends batch requests that interact with a range to its replicas. In general, it does so by ordering replicas based on the latency between the...

kv: ensure secondary tenants route follower reads to the closest replica

2

The dist sender uses node locality information to rank replicas of a range by latency. Previously, this node locality information was read off a node descriptor available in Gossip. Unfortunately,...

kvcoord: fix extremely rare OOM hazard in the DistSender

1

The outer loop in the DistSender subdivides a BathRequest into partial batches corresponding to a single range and sends them out. Previously, the resolved span passed into the function responsible...

concurrency: remove the concept of distinguished waiters

2

Now that https://github.com/cockroachdb/cockroach/pull/119581 has landed, we no longer distinguish (no pun intended) between liveness pushes and deadlock detection pushes. This obviates the need for the concept of distinguished waiters. Removing...

spanconfig: add a static split point at the start of meta2

1

Meta1 is not allowed to split, whereas meta2 is. This could prevent load based splitting from applying to meta2. This patch now installs a static split point at the start...

raft: add the StoreLiveness interface

4

There's not much here, other than porting the interface definition from the prototype and plumbing it from the Config to the raft struct. Closes #125258

lint: teach TestRaftCopyrightHeaders about new additions to pkg/raft

1

Previously, this would crap out because the original etcd apache header wasn't present on the file. We should be using the regular BSL header, as opposed to the etcd apache...

raft: add the concept of quorum supported expiration

1

This patch adds the concept of QSE to {Majority,Joint}Config. For a majority config, the QSE is defined as the leader's maximum supported store liveness expiration across all quorums, where the...

**Is your feature request related to a problem? Please describe.** We should be able to see the fortification state of a raft group in the DB console. This likely just...