feat(s3stream): add switch for buffered memory

[ShadowySpirits]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.90%. Comparing base (b38b1d0) to head (6629d81).

❗ Current head 6629d81 differs from pull request most recent head dc693d0. Consider uploading reports for the commit dc693d0 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #950      +/-   ##
============================================
- Coverage     55.92%   55.90%   -0.03%     
+ Complexity     1266     1264       -2     
============================================
  Files           133      133              
  Lines          8534     8534              
  Branches        789      789              
============================================
- Hits           4773     4771       -2     
  Misses         3327     3327              
- Partials        434      436       +2     

Components	Coverage Δ
RocketMQ Broker	∅ <ø> (∅)
RocketMQ Common	5.80% <ø> (ø)
RocketMQ Controller	57.39% <ø> (ø)
RocketMQ Proxy	37.18% <ø> (-0.11%)	⬇️
RocketMQ Store	73.60% <ø> (ø)
RocketMQ Stream	∅ <ø> (∅)
RocketMQ Metadata	35.44% <ø> (ø)

see 1 file with indirect coverage changes