Resynchronization of folders shared among multiple client devices over a network is provided. Metadata and hash values stored on the client device are moved from a metadata database to a resynchronization database, and the data in the metadata database is deleted. Metadata is created for locally sto
Resynchronization of folders shared among multiple client devices over a network is provided. Metadata and hash values stored on the client device are moved from a metadata database to a resynchronization database, and the data in the metadata database is deleted. Metadata is created for locally stored synchronized files. For each file, the created metadata is compared to the metadata stored in the resynchronization database. If the metadata matches, hash values are retrieved from the resynchronization database and stored with the created metadata in the metadata database. If the metadata does not match, hashes for the file are created and stored with the created metadata in the metadata database. A synchronization operation may be performed which consists of comparing the files stored on the client to the synchronized versions on a host server and updating or adding files that are not present or not up to date.
대표청구항▼
1. A computer-implemented method comprising: creating, by a client device, new metadata for each file in a plurality of files synchronized with a content management system;for each file in the plurality of files: comparing, by the client device, the new metadata for the file with stored metadata for
1. A computer-implemented method comprising: creating, by a client device, new metadata for each file in a plurality of files synchronized with a content management system;for each file in the plurality of files: comparing, by the client device, the new metadata for the file with stored metadata for the file; andresponsive to the new metadata and the stored metadata matching: retrieving, by the client device, from a resynchronization database, stored hashes corresponding to the file; andstoring, by the client device, the retrieved hashes and the new metadata in a metadata database. 2. The computer-implemented method of claim 1 further comprising: responsive to the new metadata and the stored metadata not matching: creating, by the client device, new hashes for the file; andstoring, by the client device, the new hashes and the new metadata in the metadata database. 3. The computer-implemented method of claim 1 wherein the stored metadata and the stored hashes are stored in the resynchronization database. 4. The computer-implemented method of claim 1 further comprising performing a synchronization operation such that each file in the plurality of files is synchronized with a version of the file stored on a host system. 5. The computer-implemented method of claim 4 wherein the synchronization operation comprises: receiving, for each file in a plurality of files on the host system, host metadata corresponding to a plurality of file blocks that constitute the file;for each file block in the plurality of file blocks, determining whether the file block is stored in a client database;responsive to determining that the file block is not stored in the client database, receiving, from the host system, the file block. 6. The computer-implemented method of claim 4 wherein the synchronization operation comprises: receiving, for each of a plurality of files on the host system, host metadata corresponding to a plurality of file blocks that constitute the file;for each file block in the plurality of file blocks, determining whether the file block is stored in a client database;responsive to determining that an outdated version of the file block is stored in the client database, receiving, from the host system, a patch for updating the outdated version of the file block to a current version. 7. The computer-implemented method of claim 1 wherein the resynchronization database and the metadata database are stored locally on the client device. 8. A computer program product stored on a non-transitory computer readable medium and including instructions that when loaded into memory cause a computer processor to carry out the steps of: creating, by a client device, new metadata for each file in a plurality of files synchronized with a content management system;for each file in the plurality of files: comparing, by the client device, the new metadata for the file with stored metadata for the file; andresponsive to the new metadata and the stored metadata not matching: creating, by the client device, new hashes for the file; andstoring, by the client device, the new hashes and the new metadata in a metadata database. 9. The computer program product of claim 8 wherein the stored metadata and the stored hashes are stored in the resynchronization database. 10. The computer program product of claim 8 further comprising: responsive to the new metadata and the stored metadata matching: retrieving, by the client device, from a resynchronization database, stored hashes corresponding to the file; andstoring, by the client device, the retrieved hashes and the new metadata in the metadata database. 11. The computer program product of claim 8 further comprising performing a synchronization operation such that each file in the plurality of files is synchronized with a version of the file stored on a host system. 12. The computer program product of claim 11 wherein the synchronization operation comprises: receiving, for each file in a plurality of files on the host system, host metadata corresponding to a plurality of file blocks that constitute the file;for each file block in the plurality of file blocks, determining whether the file block is stored in a client database;responsive to determining that the file block is not stored in the client database, receiving, from the host system, the file block. 13. The computer program product of claim 11 wherein the synchronization operation comprises: receiving, for each of a plurality of files on the host system, host metadata corresponding to a plurality of file blocks that constitute the file;for each file block in the plurality of file blocks, determining whether the file block is stored in a client database;responsive to determining that an outdated version of the file block is stored in the client database, receiving, from the host system, a patch for updating the outdated version of the file block to a current version. 14. The computer program product of claim 8 wherein the resynchronization database and the metadata database are locally stored on the client device. 15. A client device comprising: a processor configured to execute modules; anda memory storing the modules, the modules comprising: a hash engine configured to create new metadata for each file in a plurality of files synchronized with a content management system;a resync engine configured to: for each file in the plurality of files: comparing the new metadata for the file with stored metadata for the file; andresponsive to the new metadata and the stored metadata matching: retrieving, from a resynchronization database, stored hashes corresponding to the file; and storing the retrieved hashes and the new metadata in a metadata database. 16. The system of claim 15 wherein the stored metadata and the stored hashes are stored in the resynchronization database. 17. The system of claim 15, the resync engine further configured to: responsive to the new metadata and the stored metadata not matching: creating new hashes for the file; andstoring the new hashes and the new metadata in the metadata database. 18. The system of claim 15 further comprising a sync engine configured to perform a synchronization operation such that each file in the plurality of files is synchronized with a version of the file stored on a host system. 19. The system of claim 18 wherein the synchronization operation comprises: receiving, for each file in a plurality of files on the host system, host metadata corresponding to a plurality of file blocks that constitute the file;for each file block in the plurality of file blocks, determining whether the file block is stored in a client database;responsive to determining that the file block is not stored in the client database, receiving, from the host system, the file block. 20. The system of claim 18, wherein the synchronization operation comprises: receiving, for each file in a plurality of files on the host system, host metadata corresponding to a plurality of file blocks that constitute the file;for each file block in the plurality of file blocks, determining whether the file block is stored in a client database;responsive to determining that an outdated version of the file block is stored in the client database, receiving, from the host system, a patch for updating the outdated version of the file block to a current version.
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