BlobRoute : Comparison and Hash can be made much cheaper without string formatting.

[szmyd]

@sanebay we can reuse this class and derive from BtreeKey in HomeStore (or that's the goal).

[szmyd]

Example logs:

[blob_manager.cpp:17:_put_blob] Writing Blob 0001:000000000001:00000000000020a4
[blob_manager.cpp:39:_get_blob] Looking up Blob 0001:000000000000:00000000000007fb
[blob_manager.cpp:39:_get_blob] Looking up Blob 0001:000000000001:0000000000000842
[blob_manager.cpp:42:_get_blob] Blob [0001:000000000000:00000000000007fb] missing during get
[blob_manager.cpp:42:_get_blob] Blob [0001:000000000000:000000000000083a] missing during get
[blob_manager.cpp:39:_get_blob] Looking up Blob 0001:000000000000:0000000000000000
[blob_manager.cpp:61:_del_blob] Tombstoning Blob 0001:000000000000:000000000000083c
[blob_manager.cpp:39:_get_blob] Looking up Blob 0001:000000000001:0000000000000805
[blob_manager.cpp:68:_del_blob] Blob [0001:000000000000:0000000000000835] missing during del
[blob_manager.cpp:61:_del_blob] Tombstoning Blob 0001:000000000000:0000000000000838

[xiaoxichen]

LGTM

[codecov-commenter]

Codecov Report

Patch coverage: 53.84% and project coverage change: -1.18% ⚠️

Comparison is base (741478f) 82.23% compared to head (50f2b90) 81.05%.
Report is 1 commits behind head on main.

❗ Current head 50f2b90 differs from pull request most recent head f5acdb8. Consider uploading reports for the commit f5acdb8 to get more accurate results

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #66      +/-   ##
==========================================
- Coverage   82.23%   81.05%   -1.18%     
==========================================
  Files          18       19       +1     
  Lines         456      454       -2     
  Branches       44       44              
==========================================
- Hits          375      368       -7     
- Misses         53       58       +5     
  Partials       28       28              

Files Changed	Coverage Δ
src/lib/blob_route.hpp	28.57% <28.57%> (ø)
src/lib/homestore/shard_manager.cpp	83.92% <50.00%> (-0.19%)	⬇️
src/lib/homeobject_impl.hpp	100.00% <100.00%> (ø)
src/lib/memory/homeobject.hpp	100.00% <100.00%> (ø)
src/lib/memory/shard_manager.cpp	81.81% <100.00%> (ø)

... and 1 file with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.