mikemccand commented on code in PR #12345:
URL: https://github.com/apache/lucene/pull/12345#discussion_r1254254429
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lucene/core/src/java/org/apache/lucene/search/IndexSearcher.java:
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@@ -763,6 +763,11 @@ public Query rewrite(Query original) throws IOException {
for (Query rewrittenQuery = query.rewrite(this);
rewrittenQuery != query;
rewrittenQuery = query.rewrite(this)) {
+ if (queryTimeout != null) {
Review Comment:
@Deepika0510 I think what @jpountz meant is we should somehow intercept the
I/O Lucene is inevitably doing in a `rewrite` implementation to check for
timeout. Similar to how `ExitableDirectoryReader` wraps the low level Lucene
APIs and checks for timeout.
But I don't see how we could cleanly do this (wrap `Directory`) in the
context of `rewrite`.
Maybe instead we just use `ExitableDirectoryReader`, but make a new
generalized version `ExitableIndexReader` that takes any `IndexReader` (not
just the `DirectoryReader` implementation)?
Then, if a timeout is set on `IndexSearcher`, we use this wrapped timeout
`IndexReader` in rewrite somehow? We should maybe create that wrapped reader
once on `IndexSearcher.setTimeout` calls and reuse it across all concurrent
rewrites?
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