merlimat commented on a change in pull request #940: BookieProtoEncoding:
remove unnecessary slice() call
URL: https://github.com/apache/bookkeeper/pull/940#discussion_r159591151
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File path:
bookkeeper-server/src/main/java/org/apache/bookkeeper/proto/BookieProtoEncoding.java
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@@ -289,8 +289,8 @@ public Object decode(ByteBuf buffer)
entryId = buffer.readLong();
if (rc == BookieProtocol.EOK) {
- ByteBuf content = buffer.slice();
- return new BookieProtocol.ReadResponse(version, rc,
ledgerId, entryId, content.retain());
+ return new BookieProtocol.ReadResponse(version, rc,
Review comment:
I'm not 100% sure the `slice()` can be avoided, because we would have to
double check all the places that are touching that buffer.
I think a better option here is to use `buffer.retainedSlice()` which
achieves both goals (and also lets the resulting `ByteBuf` slice object to be
pooled.
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