xiangfu0 commented on a change in pull request #8162:
URL: https://github.com/apache/pinot/pull/8162#discussion_r801292188
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File path: pinot-spi/src/main/java/org/apache/pinot/spi/filesystem/PinotFS.java
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@@ -143,7 +143,7 @@ long length(URI fileUri)
/**
* Copies a file from a remote filesystem to the local one. Keeps the
original file.
- * @param srcUri location of current file on remote filesystem
+ * @param srcUri location of current file on remote filesystem (must not be
a directory)
Review comment:
Do we have any usage that requires directory copy?
Shall we consider add a new API like `copySingleFile(...)` or add a flag
parameter `isRecursive`?
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