| | 141 | JOSM uploads geo data with one or more '''upload requests''' to a [wiki:/Help/Concepts/Changeset changeset] on the OSM server. In the Advanced Configuration Panel you can decide about the number and size of upload requests, see screenshot: |
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| | 143 | [[Image(advanced-config-panel.png)]] |
| | 144 | |
| | 145 | Select '''Upload data in one request''' to upload all object in one request. If you're uploading a medium to large number of objects this might take some time and JOSM will not be able to inform you about the progress. There are only two outcomes of such an upload: the upload either works or it doesn't work. In the former case everything is fine, in the later no objects at all have been uploaded. This kind of upload will never lead to a partial upload which is both its strength and its weakness. It can be its weakness because the entire upload can fail because there is a problem in the last object in the upload request. |
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| | 147 | Select '''Upload data in chunks of object''' to upload the objects in a sequence of requests with a predefined size. You can enter a preferred size for an upload request (called the "chunk size"). Depending on its value JOSM will submit a number of upload request (the number is displayed on the right of the input field for the "chunk size"). In contrast to the former option, every upload of a chunk can either succeed or fail. You will get some coarse grained progress information because JOSM will inform you when an individual chunk was uploaded successfully or when its upload has failed. Uploading in chunks is in most cases slower than uploading in one requests, though. |
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| | 149 | Select '''Upload each object individually''' to to upload each object with an individual upload request. You will get very fine grained progress information because JOSM will inform you when an individual object was uploaded successfully or when its upload has failed. Note that this option is in most cases the slowest option. |
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| | 151 | '''Recommendations''' |
| | 152 | * For small (<1000 objects) to medium upload sizes (<5000 objects), choose '''Upload data in one request''' |
| | 153 | * For medium to large upload sizes (> 5000 objects) choose '''Upload data in chunks of objects'''. A chunk size of 1000 is a good value to start with. |
| | 154 | * Don't use '''Upload each object individually''' unless you have a specific reason to do so. This is basically a legacy strategy from former versions of the OSM server. |
| | 155 | |
