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Summary: The patch adds a new BlobDB configuration option `blob_compaction_readahead_size` that can be used to enable prefetching data from blob files during compaction. This is important when using storage with higher latencies like HDDs or remote filesystems. If enabled, prefetching is used for all cases when blobs are read during compaction, namely garbage collection, compaction filters (when the existing value has to be read from a blob file), and `Merge` (when the value of the base `Put` is stored in a blob file). Pull Request resolved: https://github.com/facebook/rocksdb/pull/9187 Test Plan: Ran `make check` and the stress/crash test. Reviewed By: riversand963 Differential Revision: D32565512 Pulled By: ltamasi fbshipit-source-id: 87be9cebc3aa01cc227bec6b5f64d827b8164f5d |
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| .. | ||
| cf_options.cc | ||
| cf_options.h | ||
| configurable.cc | ||
| configurable_helper.h | ||
| configurable_test.cc | ||
| configurable_test.h | ||
| customizable.cc | ||
| customizable_test.cc | ||
| db_options.cc | ||
| db_options.h | ||
| options.cc | ||
| options_helper.cc | ||
| options_helper.h | ||
| options_parser.cc | ||
| options_parser.h | ||
| options_settable_test.cc | ||
| options_test.cc | ||