Croxx

row id generator spin cause heartbeat timeout

1

**Describe the bug** A clear and concise description of what the bug is. When running ci-1cn-1fe with datagen, when sequence id reaches its upper bound, the row id generator will...

refactor: replace Bytes with Vec<u8> for object store to avoid buffer copy when decoding block without compression

1

I hereby agree to the terms of the [Singularity Data, Inc. Contributor License Agreement](https://gist.github.com/skyzh/0663682a70b0edde7ae991492f2314cb#file-s9y_cla). ## What's changed and what's your intention? After #4484 , we use `Vec` as underlying buffer...

Metrics needs to be introduced to monitor tiered cache. Currently, we are using `StoreLocalStatistic` for iterator and cache to lower the cost of observation, which maybe a problem with async...

add XFS_SUPER_NUMBER to nix::sys::statfs

3

Close #1742 .

There is `XFS_SUPER_MAGIC` in [linux man page](https://man7.org/linux/man-pages/man2/statfs.2.html) but nix hasn't. ```plain XFS_SUPER_MAGIC 0x58465342 ``` I'm glad to create a pull request to add it.

Feature request: optimization for read-only requests

17

In Raft thesis 6.4, it proposed a way to optimize read-only requests with *read index*, which *etcd/raft* and *tikv/raft-rs* have already supported (and they further support read-only optimization that is...

File Cache as Secondary Cache

1

To balance the large total data volume, the low capacity of memory and the high latency of S3, RunKV can use the remaining space of the disk as secondary cache,...

bug: multi version of one key are separated into two sstables in the same level

1

When running `bench_kv` in release mode, found the following panic: ```plain left: `[]`, right: `[118, 52, 51, 57, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,...

`group` in raft log store means log group, which is actually raft node id in the concept of Raft, not `raft group` in multi-raft. So it's better to rename `group`...

purge raft log files with low utilization rate

1

For each raft group, log entries before `compact index` can be safely deleted. Although log entires are continuously written in most cases, but log entries of various groups are cross...