feat: put returns failure if the server memory usage exceeds the specified ratio

[dl239]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

• What is the current behavior? (You can also link to an open issue here)

• What is the new behavior (if this is a feature change)?

[codecov]

Codecov Report

Attention: 40 lines in your changes are missing coverage. Please review.

Comparison is base (ebe1f7d) 40.25% compared to head (5e67748) 74.97%.

Files	Patch %	Lines
src/sdk/sql_cluster_router.cc	28.57%	10 Missing ⚠️
src/base/sys_info.h	80.95%	8 Missing ⚠️
src/tablet/tablet_impl.cc	74.07%	7 Missing ⚠️
.../com/_4paradigm/openmldb/spark/OpenmldbSource.java	0.00%	4 Missing ⚠️
...a/com/_4paradigm/openmldb/spark/OpenmldbTable.java	0.00%	3 Missing ⚠️
src/client/tablet_client.cc	81.25%	3 Missing ⚠️
...digm/openmldb/spark/write/OpenmldbWriteConfig.java	0.00%	2 Missing ⚠️
...openmldb/spark/write/OpenmldbDataSingleWriter.java	0.00%	1 Missing ⚠️
...adigm/openmldb/spark/write/OpenmldbDataWriter.java	0.00%	1 Missing ⚠️
src/datacollector/data_collector.cc	0.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##               main    #3631       +/-   ##
=============================================
+ Coverage     40.25%   74.97%   +34.72%     
  Complexity      642      642               
=============================================
  Files           192      727      +535     
  Lines         11277   130895   +119618     
  Branches       1323     1324        +1     
=============================================
+ Hits           4539    98137    +93598     
- Misses         6445    32465    +26020     
  Partials        293      293               

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