Introduce a ScannerStartupDelay configuration to enable WAL write-only
recovery, allowing fence messages to be persisted during
primary–secondary switchover when the StreamingNode is trapped in crash
loops.
issue: https://github.com/milvus-io/milvus/issues/46368
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added a configurable WAL scanner pause/resume and a consumer request
flag to optionally ignore pause signals.
* **Metrics**
* Added a scanner pause gauge and pause-duration tracking for WAL
scanning.
* **Tests**
* Added coverage for pause-consumption behavior and cleanup in stream
client tests.
* **Chores**
* Consolidated flush-all logging into a single field and added a helper
for bulk message conversion.
<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
issue: #45640
- log may be dropped if the underlying file system is busy.
- use async write syncer to avoid the log operation block the milvus
major system.
- remove some log dependency from the until function to avoid
dependency-loop.
---------
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- broadcast message can carry multi resource key now.
- implement event-based notification for broadcast messages
- broadcast message use broadcast id as a unique identifier in message
- broadcasted message on vchannels keep the broadcasted vchannel now.
- broadcasted message and broadcast message have a common broadcast
header now.
---------
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
We want to support broadcast operation for both streaming and msgstream.
But msgstream can be only sent message from rootcoord and proxy.
So this pr move the streamingcoord to rootcoord to make easier
implementation.
---------
Signed-off-by: chyezh <chyezh@outlook.com>
See #36122
This PR is designed to enhance log performance through two improvements:
1. Optimize JSON encoding by switching JSON serializer to
`json-iterator`.
2. Adding support of lazy initialization `WithLazy`.
---------
Signed-off-by: Ted Xu <ted.xu@zilliz.com>
