workaround: copy fname to scratch file for consistency

j143 · j143 · commit 1a15b57a7b0e · 2025-08-03T16:53:51.000+05:30
diff --git a/src/main/java/org/apache/sysds/runtime/instructions/cp/VariableCPInstruction.java b/src/main/java/org/apache/sysds/runtime/instructions/cp/VariableCPInstruction.java
@@ -1075,7 +1075,8 @@ else if( getInput1().getDataType() == DataType.MATRIX ) {
 
 					// 2. Clear its dirty flag and update its file path to the result we just wrote.
 					// This tells the system that the data for this variable now lives in 'fname'.
-					mo.setFileName(fname);
+//					mo.setFileName(fname);
+					HDFSTool.copyFileOnHDFS(fname, mo.getFileName());
 					mo.setDirty(false);
 
 				}

Original file line number	Diff line number	Diff line change
`@@ -1075,7 +1075,8 @@ else if( getInput1().getDataType() == DataType.MATRIX ) {`
`1075`	`1075`
`1076`	`1076`	`// 2. Clear its dirty flag and update its file path to the result we just wrote.`
`1077`	`1077`	`// This tells the system that the data for this variable now lives in 'fname'.`
`1078`		`- mo.setFileName(fname);`
	`1078`	`+// mo.setFileName(fname);`
	`1079`	`+ HDFSTool.copyFileOnHDFS(fname, mo.getFileName());`
`1079`	`1080`	`mo.setDirty(false);`
`1080`	`1081`
`1081`	`1082`	`}`