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rocksdb/table
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Levi Tamasi dc5de45af8 Support readahead during compaction for blob files (#9187) 
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
2021-11-19 17:53:47 -08:00
..
adaptive Refactor: use TableBuilderOptions to reduce parameter lists (#8240) 2021-04-29 07:00:50 -07:00
block_based Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
cuckoo Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
plain Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
block_fetcher_test.cc Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
block_fetcher.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
block_fetcher.h Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
cleanable_test.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
format.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
format.h Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
get_context.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
get_context.h Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
internal_iterator.h Reuse internal auto readhead_size at each Level (expect L0) for Iterations (#9056) 2021-11-10 16:20:04 -08:00
iter_heap.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
iterator_wrapper.h Reuse internal auto readhead_size at each Level (expect L0) for Iterations (#9056) 2021-11-10 16:20:04 -08:00
iterator.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
merger_test.cc Cleanup multiple implementations of VectorIterator (#8901) 2021-10-06 07:48:31 -07:00
merging_iterator.cc MergingIterator: rearrange fields to reduce paddings (#9024) 2021-10-14 12:01:56 -07:00
merging_iterator.h Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
meta_blocks.cc Fix backward compatibility with 2.5 through 2.7 (#9189) 2021-11-19 17:31:01 -08:00
meta_blocks.h Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
mock_table.cc Introduce a mechanism to dump out blocks from block cache and re-insert to secondary cache (#8912) 2021-10-07 11:42:31 -07:00
mock_table.h Fix some minor issues in the Customizable infrastructure (#8566) 2021-08-19 10:10:47 -07:00
multiget_context.h Batch blob read IO for MultiGet (#8699) 2021-09-17 19:23:13 -07:00
persistent_cache_helper.cc Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
persistent_cache_helper.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
persistent_cache_options.h Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
scoped_arena_iterator.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
sst_file_dumper.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
sst_file_dumper.h Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
sst_file_reader_test.cc Enable a few unit tests to use custom Env objects (#9087) 2021-11-08 11:05:59 -08:00
sst_file_reader.cc Make ImmutableOptions struct that inherits from ImmutableCFOptions and ImmutableDBOptions (#8262) 2021-05-05 14:00:17 -07:00
sst_file_writer_collectors.h Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
sst_file_writer.cc Support timestamps in SstFileWriter (#8899) 2021-09-09 18:58:01 -07:00
table_builder.h Partially revert the "apply subrange of table property collectors" change (#8465) 2021-07-06 10:14:32 -07:00
table_factory.cc Add customizable_util.h to the public API (#8301) 2021-06-29 09:08:57 -07:00
table_properties_internal.h Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
table_properties.cc Improve / clean up meta block code & integrity (#9163) 2021-11-18 11:43:44 -08:00
table_reader_bench.cc Make it possible to apply only a subrange of table property collectors (#8298) 2021-05-17 18:28:39 -07:00
table_reader_caller.h Fix and detect headers with missing dependencies (#8893) 2021-09-10 10:00:26 -07:00
table_reader.h dedup ReadOptions in iterator hierarchy (#7210) 2020-08-03 15:23:04 -07:00
table_test.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
two_level_iterator.cc Clarify caching behavior for index and filter partitions (#9068) 2021-10-27 17:23:04 -07:00
two_level_iterator.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
unique_id_impl.h Experimental support for SST unique IDs (#8990) 2021-10-18 23:32:01 -07:00
unique_id.cc Experimental support for SST unique IDs (#8990) 2021-10-18 23:32:01 -07:00