maedhroz commented on code in PR #2498:
URL: https://github.com/apache/cassandra/pull/2498#discussion_r1270147444
##########
src/java/org/apache/cassandra/index/sai/disk/v1/sortedterms/SortedTermsWriter.java:
##########
@@ -201,14 +234,89 @@ private void copyBytes(ByteComparable source,
BytesRefBuilder dest)
dest.append((byte) val);
}
- /**
- * Swaps {@link #tempTerm} with {@link #prevTerm}.
- * It is faster to swap the pointers instead of copying the data.
- */
- private void swapTempWithPrevious()
+ private class TrieSegment
{
- BytesRefBuilder temp = this.tempTerm;
- this.tempTerm = this.prevTerm;
- this.prevTerm = temp;
+ private final InMemoryTrie<Long> trie;
+ private final BytesRefBuilder prevTerm = new BytesRefBuilder();
+ private final BytesRefBuilder tempTerm = new BytesRefBuilder();
+
+ private BytesRef minTerm;
+ private long totalBytesAllocated;
+ private boolean flushed = false;
+ private boolean active = true;
+
+ TrieSegment()
+ {
+ trie = new InMemoryTrie<>(TrieMemtable.BUFFER_TYPE);
Review Comment:
If we use `OFF_HEAP`, does the limiter just ignore that memory usage?
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