Ignore value of BackupableDBOptions::max_valid_backups_to_open when B… #6072
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pdillinger
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…ackupEngine is not read-only.
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* upstream/master: (572 commits) Work around weird unused errors with Mingw (facebook#6075) Support options.max_open_files = -1 with periodic_compaction_seconds (facebook#6090) Fix HISTORY.md for 6.6.0 (facebook#6096) Expose and elaborate FilterBuildingContext (facebook#6088) Fix compilation under MSVC VS2015 (facebook#6081) Add shared library for musl-libc (facebook#3143) Refactor and clean up the code that reads a blob from a file (facebook#6093) Allow fractional bits/key in BloomFilterPolicy (facebook#6092) Refactor blob file creation logic (facebook#6066) Use lowercase for shlwapi.lib rpcrt4.lib (facebook#6076) Fix naming of library on PPC64LE (facebook#6080) Small improvements to Docker build for RocksJava (facebook#6079) Remove unused/undefined ImmutableCFOptions() (facebook#6086) Update 3rd-party libraries used by RocksJava (facebook#6084) Make default value of options.ttl to be 30 days when it is supported. (facebook#6073) Ignore value of BackupableDBOptions::max_valid_backups_to_open when B… (facebook#6072) Update HISTORY.md for forward compatibility (facebook#6085) Support ttl in Universal Compaction (facebook#6071) Fix the constness issues around autovector::iterator_impl's dereference operators (facebook#6057) Support options.ttl with options.max_open_files = -1 (facebook#6060) ...
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Summary: To reflect changes in PR facebook#6072 This comment also implies that a seemingly valid use-case for max_valid_backups_to_open is flawed: even if you only want to add a new backup without trying to delete, you might need to clean up after a backup creation that never finished. To clean up properly requires opening all backups to get proper ref counts on shared files. Test Plan: code comment only
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Summary: To reflect changes in PR #6072 This comment also implies that a seemingly valid use-case for max_valid_backups_to_open is flawed: even if you only want to add a new backup without trying to delete, you might need to clean up after a backup creation that never finished. To clean up properly requires opening all backups to get proper ref counts on shared files. Pull Request resolved: #6105 Test Plan: code comment only Differential Revision: D18736716 Pulled By: pdillinger fbshipit-source-id: 2447c0000eefe3a4ca606926bfe922a8456b0cb7
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Summary: To reflect changes in PR #6072 This comment also implies that a seemingly valid use-case for max_valid_backups_to_open is flawed: even if you only want to add a new backup without trying to delete, you might need to clean up after a backup creation that never finished. To clean up properly requires opening all backups to get proper ref counts on shared files. Pull Request resolved: #6105 Test Plan: code comment only Differential Revision: D18736716 Pulled By: pdillinger fbshipit-source-id: 2447c0000eefe3a4ca606926bfe922a8456b0cb7
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facebook#6072) Summary: This change ignores the value of BackupableDBOptions::max_valid_backups_to_open when a BackupEngine is not read-only. Issue: facebook#4997 Note on tests: I had to remove test case WriteOnlyEngine of BackupableDBTest because it was not consistent with the new semantic of BackupableDBOptions::max_valid_backups_to_open. Maybe, we should think about adding a new interface for append-only BackupEngines. On the other hand, I changed LimitBackupsOpened test case to use a read-only BackupEngine, and I added a new specific test case for the change. Pull Request resolved: facebook#6072 Reviewed By: pdillinger Differential Revision: D18687364 Pulled By: sebastianopeluso fbshipit-source-id: 77bc1f927d623964d59137a93de123bbd719da4e
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Summary: To reflect changes in PR facebook#6072 This comment also implies that a seemingly valid use-case for max_valid_backups_to_open is flawed: even if you only want to add a new backup without trying to delete, you might need to clean up after a backup creation that never finished. To clean up properly requires opening all backups to get proper ref counts on shared files. Pull Request resolved: facebook#6105 Test Plan: code comment only Differential Revision: D18736716 Pulled By: pdillinger fbshipit-source-id: 2447c0000eefe3a4ca606926bfe922a8456b0cb7
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This change ignores the value of BackupableDBOptions::max_valid_backups_to_open when a BackupEngine is not read-only.
Issue: #4997
Note on tests: I had to remove test case WriteOnlyEngine of BackupableDBTest because it was not consistent with the new semantic of BackupableDBOptions::max_valid_backups_to_open. Maybe, we should think about adding a new interface for append-only BackupEngines. On the other hand, I changed LimitBackupsOpened test case to use a read-only BackupEngine, and I added a new specific test case for the change.