Chetan Mehrotra created OAK-1656:
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Summary: Provide lazy iterator for FileDataStore.getAllIdentifiers
Key: OAK-1656
URL: https://issues.apache.org/jira/browse/OAK-1656
Project: Jackrabbit Oak
Issue Type: Improvement
Components: core
Reporter: Chetan Mehrotra
Assignee: Chetan Mehrotra
Priority: Minor
Fix For: 0.20
Currently {{FileDataStore.getAllIdentifiers}} evaluates all file eagerly and
maintains the set in memory
As an optimization i.e. prevent loading of all file names in memory we can use
com.google.common.io.Files#fileTreeTraverser. This is currently used in
org.apache.jackrabbit.oak.spi.blob.FileBlobStore#getAllChunkIds
Same logic can be done for OakFileDataStore which extends the FileDataStore
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