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Igor Canadi cb8a7302e4 Implement max_size in BlobStore 
Summary:
I added max_size option in blobstore. Since we now know the maximum number of buckets we'll ever use, we can allocate an array of buckets and access its elements without use of any locks! Common case Get doesn't lock anything now.

Benchmarks on 16KB block size show no impact on speed, though.

Test Plan: unittests + benchmark

Reviewers: dhruba, haobo, kailiu

Reviewed By: dhruba

CC: leveldb

Differential Revision: https://reviews.facebook.net/D13641
2013-10-23 14:38:52 -07:00
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blob_store_test.cc Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
blob_store.cc Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
blob_store.h Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
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