Huge xml file

Add a comment. Active Oldest Votes. Improve this answer. Emil H Emil H Community Bot 1 1 1 silver badge. This is great! This just loads the whole file into memory! NickStrupat Incorrect, the processNode method executes once per node. Therefore only one node is in memory at any one time. AeonOfTime Thanks for the suggestion, since there are other solutions in more active development AND because it's very clear on the link to the old XmlStreamer where its successor lives I think I'll leave this answer as-is.

Show 1 more comment. If you have the following file complex-test. Douglas Radburn 3 3 silver badges 14 14 bronze badges. Mihir Rawal Mihir Rawal. This was really helpful. It's buggy, I did not debug it but I've had various errors. Sometimes it outputs not one but two xml rows Sometimes it skips them. John, I caught this error. It happens when part of the end tag is in the first part of the line, and the second in the next.

Tetsujin no Oni Tetsujin no Oni 7, 2 2 gold badges 27 27 silver badges 46 46 bronze badges. This isn't a great solution, but just to throw another option out there: You can break many large XML files up into chunks, especially those that are really just lists of similar elements as I suspect the file you're working with would be. Frank Farmer Frank Farmer Szekelygobe Szekelygobe 1, 1 1 gold badge 18 18 silver badges 21 21 bronze badges.

This approach works with XML namespaces as well. ThW ThW An example of how to use it Goto Line needs to count lines from the start of the file, so depending on the line number this can be slow. Saving is not instant. If you change the file, the whole file must be re-written to incorporate the change, and that's down to the speed of your hardware.

All other operations are very fast, so for example, select all, copying huge blocks of data, going to end of file all happen instantly regardless of the file size. Yes, up to a point. The Windows clipboard is held in memory, if you opened a huge file, did select all, copy, and we put that data on the Windows Clipboard bad things would happen.

So we have a configurable limit to the amount of data that gets stored on the Windows clipboard defaults to KB.

This does not affect your ability to copy and paste huge selections within the editor itself. No, the undo buffer like the rest of the editor just stores the positions of the changes, so if you delete a large section of the document, only the position of the deletion is stored. However if you add data via the keyboard or pasted from another application, it will need to store that data, so the undo buffer will increase in size accordingly.

Yes, its really free as part of the Liquid Studio Community Edition , and has exactly the same functionality as the paid version. Trying to open a very large file for example, a file of 4 GB with a very high number of short lines or characters per line may produce an out of memory error OutOfMemoryError that would require either increasing the Java heap memory with the -Xmx startup parameter or decreasing the total number of lines in the file.

The powerful Large File Viewer is available from the Tools menu or as a standalone application. You can also right-click a file in your project and choose to open it with the viewer. It uses an efficient structure for indexing the open document.

No information from the file is stored in the main memory, just a list of indexes in the file. In this way the viewer can open very large files, up to 10 gigabytes.

See Encoding for non-XML files. Large File Viewer components:. The menu bar provides menu driven access to all the features and functions that are available in Large File Viewer :. Large File Viewer.

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