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add missing fields to GetLiveFilesMetaData() (#8460)

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Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/8460

Reviewed By: jay-zhuang

Differential Revision: D29381865

Pulled By: ajkr

fbshipit-source-id: 47ba54c25f3cc039d72ea32e1df20875795683b3
This commit is contained in:
Andrew Kryczka 2021-06-24 21:04:05 -07:00
parent 6ee0acdbb4
commit e8b841eb47
2 changed files with 7 additions and 0 deletions
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4
HISTORY.md
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@ -1,4 +1,8 @@
# Rocksdb Change Log
## Unreleased
### Bug Fixes
* `GetLiveFilesMetaData()` now populates the `temperature`, `oldest_ancester_time`, and `file_creation_time` fields of its `LiveFileMetaData` results when the information is available. Previously these fields always contained zero indicating unknown.
## 6.22.0 (2021-06-18)
### Behavior Changes
* Added two additional tickers, MEMTABLE_PAYLOAD_BYTES_AT_FLUSH and MEMTABLE_GARBAGE_BYTES_AT_FLUSH. These stats can be used to estimate the ratio of "garbage" (outdated) bytes in the memtable that are discarded at flush time.

3
db/version_set.cc
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@ -5590,6 +5590,9 @@ void VersionSet::GetLiveFilesMetaData(std::vector<LiveFileMetaData>* metadata) {
filemetadata.oldest_blob_file_number = file->oldest_blob_file_number;
filemetadata.file_checksum = file->file_checksum;
filemetadata.file_checksum_func_name = file->file_checksum_func_name;
filemetadata.temperature = file->temperature;
filemetadata.oldest_ancester_time = file->TryGetOldestAncesterTime();
filemetadata.file_creation_time = file->TryGetFileCreationTime();
metadata->push_back(filemetadata);
}
}