### What changes were proposed in this pull request?
### Why are the changes needed?
Config `celeborn.master.slot.assign.loadAware.fetchTimeWeight` default value is 1, and slotsallocation document is configured as 0.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
GA
Closes#3287 from cxzl25/minor_doc_slot.
Authored-by: sychen <sychen@ctrip.com>
Signed-off-by: Wang, Fei <fwang12@ebay.com>
### What changes were proposed in this pull request?
Fix style and Gluten link in Developers Doc.
### Why are the changes needed?
- `slotsallocation.md` has the following wrong style:
<img width="1434" alt="image" src="https://github.com/apache/incubator-celeborn/assets/10048174/97fb53ed-473d-4f3d-8231-1fb613df9132">
- Gluten is apache incubating projetc, of which the link of Gluten project should be [Gluten](https://github.com/apache/incubator-gluten).
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
No.
Closes#2375 from SteNicholas/developers-doc.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: mingji <fengmingxiao.fmx@alibaba-inc.com>
### What changes were proposed in this pull request?
1. Remove UNKNOWN_DISK from StorageInfo.
2. Enable load-aware slots allocation when there is HDFS.
### Why are the changes needed?
To support the application's config about available storage types.
### Does this PR introduce _any_ user-facing change?
no.
### How was this patch tested?
GA and Cluster.
Closes#2098 from FMX/B1081-1.
Authored-by: mingji <fengmingxiao.fmx@alibaba-inc.com>
Signed-off-by: Shuang <lvshuang.tb@gmail.com>
### What changes were proposed in this pull request?
As title.
### Why are the changes needed?
As title.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
No.
Closes#1746 from waitinfuture/823.
Authored-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com>
Signed-off-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com>
