mirror of https://github.com/facebook/rocksdb.git
9e3ace42a4
Summary: The patch adds statistics support to the new BlobDB garbage collection implementation; namely, it adds support for the following (pre-existing) tickers: `BLOB_DB_GC_NUM_FILES`: the number of blob files obsoleted by the GC logic. `BLOB_DB_GC_NUM_NEW_FILES`: the number of new blob files generated by the GC logic. `BLOB_DB_GC_FAILURES`: the number of failed GC passes (where a GC pass is equivalent to a (sub)compaction). `BLOB_DB_GC_NUM_KEYS_RELOCATED`: the number of blobs relocated to new blob files by the GC logic. `BLOB_DB_GC_BYTES_RELOCATED`: the total size of blobs relocated to new blob files. The tickers `BLOB_DB_GC_NUM_KEYS_OVERWRITTEN`, `BLOB_DB_GC_NUM_KEYS_EXPIRED`, `BLOB_DB_GC_BYTES_OVERWRITTEN`, `BLOB_DB_GC_BYTES_EXPIRED`, and `BLOB_DB_GC_MICROS` are not relevant for the new GC logic, and are thus marked deprecated. The patch also adds a couple of log messages that log the number and total size of blobs encountered and relocated during a GC pass, as well as the number of blob files created and obsoleted. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6296 Test Plan: Extended unit tests and used the BlobDB mode of `db_bench`. Differential Revision: D19402513 Pulled By: ltamasi fbshipit-source-id: d53d2bfbf4928a1db1e9346c67ebb9007b8932ec |
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| .. | ||
| backupable | ||
| blob_db | ||
| cassandra | ||
| checkpoint | ||
| compaction_filters | ||
| convenience | ||
| leveldb_options | ||
| memory | ||
| merge_operators | ||
| option_change_migration | ||
| options | ||
| persistent_cache | ||
| simulator_cache | ||
| table_properties_collectors | ||
| trace | ||
| transactions | ||
| ttl | ||
| write_batch_with_index | ||
| debug.cc | ||
| env_librados.cc | ||
| env_librados.md | ||
| env_librados_test.cc | ||
| env_mirror.cc | ||
| env_mirror_test.cc | ||
| env_timed.cc | ||
| env_timed_test.cc | ||
| merge_operators.h | ||
| object_registry.cc | ||
| object_registry_test.cc | ||
| util_merge_operators_test.cc | ||