improve report performance using larger page size and safer backoff h…

…andling

tap_service_titan/streams/reporting.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import math
 import typing as t
 from datetime import datetime, timedelta, timezone
 from functools import cached_property
@@ -149,6 +150,7 @@ def get_url_params(
         """
         params = super().get_url_params(context, next_page_token)
         params.pop("modifiedOnOrAfter", "")
+        params["pageSize"] = 25000
         return params
 
     def prepare_request_payload(
@@ -236,6 +238,6 @@ def backoff_wait_generator(self) -> t.Callable[..., t.Generator[int, t.Any, None
 
         def _backoff_from_headers(retriable_api_error) -> int:  # noqa: ANN001
             response_headers = retriable_api_error.response.headers
-            return int(response_headers.get("Retry-After", 0))
+            return int(math.ceil(response_headers.get("Retry-After", 0)))
 
         return self.backoff_runtime(value=_backoff_from_headers)