yuqi1129 commented on code in PR #11892:
URL: https://github.com/apache/gravitino/pull/11892#discussion_r3528469704
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catalogs/catalog-lakehouse-generic/src/main/java/org/apache/gravitino/catalog/lakehouse/lance/LanceTableOperations.java:
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@@ -547,13 +552,45 @@ private Table repairTableMetadata(NameIdentifier ident,
Column[] columns, long d
}
}
+ /**
+ * Applies an idempotent update to the stored table, retrying when the
optimistic-lock CAS is lost
+ * to a concurrent update. The repair-on-load path runs on every {@code
loadTable}, so concurrent
+ * loads of the same table race on the version CAS; {@code store.update}
surfaces the lost race as
+ * an {@link IOException}. Because the updater is idempotent, the loser
re-reads the latest
+ * (already repaired) entity and retries instead of failing the whole load
with a fatal error.
+ */
+ private TableEntity updateTableWithCasRetry(
+ NameIdentifier ident, Function<TableEntity, TableEntity> updater) throws
IOException {
+ IOException lastConflict = null;
+ for (int attempt = 1; attempt <= REPAIR_UPDATE_MAX_ATTEMPTS; attempt++) {
Review Comment:
Added.
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