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Diffstat (limited to 'src/mongo/db/storage/kv')
| -rw-r--r-- | src/mongo/db/storage/kv/kv_engine.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/mongo/db/storage/kv/kv_engine.h b/src/mongo/db/storage/kv/kv_engine.h index 136adb07718..63c19b477e8 100644 --- a/src/mongo/db/storage/kv/kv_engine.h +++ b/src/mongo/db/storage/kv/kv_engine.h @@ -52,6 +52,20 @@ class SnapshotManager; class KVEngine { public: + /** + * During the startup process, the storage engine is one of the first components to be started + * up and fully initialized. But that fully initialized storage engine may not be recognized as + * the end for the remaining storage startup tasks that still need to be performed. + * + * For example, after the storage engine has been fully initialized, we need to access it in + * order to set up all of the collections and indexes based on the metadata, or perform some + * corrective measures on the data files, etc. + * + * When all of the storage startup tasks are completed as a whole, then this function is called + * by the external force managing the startup process. + */ + virtual void notifyStartupComplete() {} + virtual RecoveryUnit* newRecoveryUnit() = 0; // --------- |