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--- transformations:exportdataset [2024/08/14 00:20] – update with custom properties craigt
+++ transformations:exportdataset [2024/08/17 09:09] (current) – [Remarks] dmitry
@@ Line 74: / Line 74: @@
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-When appending rows to a target file on EasyMorph Server, this action will fail if another workflow modifies the file before appending finishes.
+When appending rows to a target file on EasyMorph Server, this action will fail if another workflow modifies the file before appending finishes. In case of parallel access to the file, use the [[transformations:exclusiveaccess|Start/finish exclusive access]] action.
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+The .dset format stores compressed data in columns. Therefore, appending new rows to a dataset can be slow on large tables because appending requires decompressing and re-compressing the whole dataset.
+\\
 =====Community examples=====
   * [[https://community.easymorph.com/t//1769/1|How to do recursive loops in EasyMorph]] ([[https://community.easymorph.com/uploads/short-url/qM6kmqrDRWiEDJFljIa2u6QWre1.morph|Project]]; Module: //Main//; Group: //Tab 1//; Table: //Data//; Action position: //2//)