[Doc Retention] Scan 10000 documents per run (#30487)

GitOrigin-RevId: 1f0ab508466b33901d1da14311503b3a758fa334

crates/common/src/knobs.rs

@@ -463,7 +463,7 @@ pub static DOCUMENT_RETENTION_BATCH_INTERVAL_SECONDS: LazyLock<Duration> = LazyL
 /// there are a bunch of writes at single timestamp. Then, we go until there are
 /// no more writes at that timestamp.
 pub static DOCUMENT_RETENTION_MAX_SCANNED_DOCUMENTS: LazyLock<usize> =
-    LazyLock::new(|| env_config("DOCUMENT_RETENTION_MAX_SCANNED_DOCUMENTS", 5000));
+    LazyLock::new(|| env_config("DOCUMENT_RETENTION_MAX_SCANNED_DOCUMENTS", 10000));
 
 /// Size at which a search index will be queued for snapshotting.
 pub static SEARCH_INDEX_SIZE_SOFT_LIMIT: LazyLock<usize> =