temporarily disabling validate indexing fences (#3502)

* temporarily disabling validate indexing fences

* add back a few startup checks in the cloud

* use common vespa client to perform health check

* log vespa url and try using http1 on light worker index methods

---------

Co-authored-by: Richard Kuo <rkuo@rkuo.com>
Co-authored-by: Richard Kuo (Danswer) <rkuo@onyx.app>

backend/onyx/background/celery/apps/app_base.py

@@ -3,7 +3,6 @@ import multiprocessing
 import time
 from typing import Any
 
-import requests
 import sentry_sdk
 from celery import Task
 from celery.app import trace
@@ -23,6 +22,7 @@ from onyx.background.celery.apps.task_formatters import CeleryTaskPlainFormatter
 from onyx.background.celery.celery_utils import celery_is_worker_primary
 from onyx.configs.constants import OnyxRedisLocks
 from onyx.db.engine import get_sqlalchemy_engine
+from onyx.document_index.vespa.shared_utils.utils import get_vespa_http_client
 from onyx.document_index.vespa_constants import VESPA_CONFIG_SERVER_URL
 from onyx.redis.redis_connector import RedisConnector
 from onyx.redis.redis_connector_credential_pair import RedisConnectorCredentialPair
@@ -262,7 +262,8 @@ def wait_for_vespa(sender: Any, **kwargs: Any) -> None:
     logger.info("Vespa: Readiness probe starting.")
     while True:
         try:
-            response = requests.get(f"{VESPA_CONFIG_SERVER_URL}/state/v1/health")
+            client = get_vespa_http_client()
+            response = client.get(f"{VESPA_CONFIG_SERVER_URL}/state/v1/health")
             response.raise_for_status()
 
             response_dict = response.json()

backend/onyx/background/celery/apps/beat.py

@@ -13,7 +13,6 @@ from onyx.db.engine import SqlEngine
 from onyx.utils.logger import setup_logger
 from onyx.utils.variable_functionality import fetch_versioned_implementation
 from shared_configs.configs import IGNORED_SYNCING_TENANT_LIST
-from shared_configs.configs import MULTI_TENANT
 
 logger = setup_logger(__name__)
 
@@ -154,10 +153,6 @@ def on_beat_init(sender: Any, **kwargs: Any) -> None:
     SqlEngine.set_app_name(POSTGRES_CELERY_BEAT_APP_NAME)
     SqlEngine.init_engine(pool_size=2, max_overflow=0)
 
-    # Startup checks are not needed in multi-tenant case
-    if MULTI_TENANT:
-        return
-
     app_base.wait_for_redis(sender, **kwargs)
 
 

backend/onyx/background/celery/apps/heavy.py

@@ -61,13 +61,14 @@ def on_worker_init(sender: Any, **kwargs: Any) -> None:
     SqlEngine.set_app_name(POSTGRES_CELERY_WORKER_HEAVY_APP_NAME)
     SqlEngine.init_engine(pool_size=4, max_overflow=12)
 
-    # Startup checks are not needed in multi-tenant case
-    if MULTI_TENANT:
-        return
-
     app_base.wait_for_redis(sender, **kwargs)
     app_base.wait_for_db(sender, **kwargs)
     app_base.wait_for_vespa(sender, **kwargs)
+
+    # Less startup checks in multi-tenant case
+    if MULTI_TENANT:
+        return
+
     app_base.on_secondary_worker_init(sender, **kwargs)
 
 

backend/onyx/background/celery/apps/indexing.py

@@ -62,13 +62,14 @@ def on_worker_init(sender: Any, **kwargs: Any) -> None:
     SqlEngine.set_app_name(POSTGRES_CELERY_WORKER_INDEXING_APP_NAME)
     SqlEngine.init_engine(pool_size=sender.concurrency, max_overflow=sender.concurrency)
 
-    # Startup checks are not needed in multi-tenant case
-    if MULTI_TENANT:
-        return
-
     app_base.wait_for_redis(sender, **kwargs)
     app_base.wait_for_db(sender, **kwargs)
     app_base.wait_for_vespa(sender, **kwargs)
+
+    # Less startup checks in multi-tenant case
+    if MULTI_TENANT:
+        return
+
     app_base.on_secondary_worker_init(sender, **kwargs)
 
 

backend/onyx/background/celery/apps/light.py

@@ -60,13 +60,15 @@ def on_worker_init(sender: Any, **kwargs: Any) -> None:
 
     SqlEngine.set_app_name(POSTGRES_CELERY_WORKER_LIGHT_APP_NAME)
     SqlEngine.init_engine(pool_size=sender.concurrency, max_overflow=8)
-    # Startup checks are not needed in multi-tenant case
-    if MULTI_TENANT:
-        return
 
     app_base.wait_for_redis(sender, **kwargs)
     app_base.wait_for_db(sender, **kwargs)
     app_base.wait_for_vespa(sender, **kwargs)
+
+    # Less startup checks in multi-tenant case
+    if MULTI_TENANT:
+        return
+
     app_base.on_secondary_worker_init(sender, **kwargs)
 
 

backend/onyx/background/celery/apps/primary.py

@@ -84,14 +84,14 @@ def on_worker_init(sender: Any, **kwargs: Any) -> None:
     SqlEngine.set_app_name(POSTGRES_CELERY_WORKER_PRIMARY_APP_NAME)
     SqlEngine.init_engine(pool_size=8, max_overflow=0)
 
-    # Startup checks are not needed in multi-tenant case
-    if MULTI_TENANT:
-        return
-
     app_base.wait_for_redis(sender, **kwargs)
     app_base.wait_for_db(sender, **kwargs)
     app_base.wait_for_vespa(sender, **kwargs)
 
+    # Less startup checks in multi-tenant case
+    if MULTI_TENANT:
+        return
+
     logger.info("Running as the primary celery worker.")
 
     # This is singleton work that should be done on startup exactly once

backend/onyx/background/celery/tasks/indexing/tasks.py

@@ -29,7 +29,6 @@ from onyx.configs.constants import OnyxCeleryPriority
 from onyx.configs.constants import OnyxCeleryQueues
 from onyx.configs.constants import OnyxCeleryTask
 from onyx.configs.constants import OnyxRedisLocks
-from onyx.configs.constants import OnyxRedisSignals
 from onyx.db.connector import mark_ccpair_with_indexing_trigger
 from onyx.db.connector_credential_pair import fetch_connector_credential_pairs
 from onyx.db.connector_credential_pair import get_connector_credential_pair_from_id
@@ -176,7 +175,7 @@ def check_for_indexing(self: Task, *, tenant_id: str | None) -> int | None:
 
     # we need to use celery's redis client to access its redis data
     # (which lives on a different db number)
-    redis_client_celery: Redis = self.app.broker_connection().channel().client  # type: ignore
+    # redis_client_celery: Redis = self.app.broker_connection().channel().client  # type: ignore
 
     lock_beat: RedisLock = redis_client.lock(
         OnyxRedisLocks.CHECK_INDEXING_BEAT_LOCK,
@@ -319,20 +318,23 @@ def check_for_indexing(self: Task, *, tenant_id: str | None) -> int | None:
                     attempt.id, db_session, failure_reason=failure_reason
                 )
 
-        # we want to run this less frequently than the overall task
-        if not redis_client.exists(OnyxRedisSignals.VALIDATE_INDEXING_FENCES):
-            # clear any indexing fences that don't have associated celery tasks in progress
-            # tasks can be in the queue in redis, in reserved tasks (prefetched by the worker),
-            # or be currently executing
-            try:
-                task_logger.info("Validating indexing fences...")
-                validate_indexing_fences(
-                    tenant_id, self.app, redis_client, redis_client_celery, lock_beat
-                )
-            except Exception:
-                task_logger.exception("Exception while validating indexing fences")
+        # rkuo: The following code logically appears to work, but the celery inspect code may be unstable
+        # turning off for the moment to see if it helps cloud stability
 
-            redis_client.set(OnyxRedisSignals.VALIDATE_INDEXING_FENCES, 1, ex=60)
+        # we want to run this less frequently than the overall task
+        # if not redis_client.exists(OnyxRedisSignals.VALIDATE_INDEXING_FENCES):
+        #     # clear any indexing fences that don't have associated celery tasks in progress
+        #     # tasks can be in the queue in redis, in reserved tasks (prefetched by the worker),
+        #     # or be currently executing
+        #     try:
+        #         task_logger.info("Validating indexing fences...")
+        #         validate_indexing_fences(
+        #             tenant_id, self.app, redis_client, redis_client_celery, lock_beat
+        #         )
+        #     except Exception:
+        #         task_logger.exception("Exception while validating indexing fences")
+
+        #     redis_client.set(OnyxRedisSignals.VALIDATE_INDEXING_FENCES, 1, ex=60)
 
     except SoftTimeLimitExceeded:
         task_logger.info(

backend/onyx/document_index/vespa/index.py

@@ -535,7 +535,7 @@ class VespaIndex(DocumentIndex):
         if self.secondary_index_name:
             index_names.append(self.secondary_index_name)
 
-        with get_vespa_http_client() as http_client:
+        with get_vespa_http_client(http2=False) as http_client:
             for index_name in index_names:
                 params = httpx.QueryParams(
                     {
@@ -546,8 +546,12 @@ class VespaIndex(DocumentIndex):
 
                 while True:
                     try:
+                        vespa_url = (
+                            f"{DOCUMENT_ID_ENDPOINT.format(index_name=self.index_name)}"
+                        )
+                        logger.debug(f'update_single PUT on URL "{vespa_url}"')
                         resp = http_client.put(
-                            f"{DOCUMENT_ID_ENDPOINT.format(index_name=self.index_name)}",
+                            vespa_url,
                             params=params,
                             headers={"Content-Type": "application/json"},
                             json=update_dict,
@@ -619,7 +623,7 @@ class VespaIndex(DocumentIndex):
         if self.secondary_index_name:
             index_names.append(self.secondary_index_name)
 
-        with get_vespa_http_client() as http_client:
+        with get_vespa_http_client(http2=False) as http_client:
             for index_name in index_names:
                 params = httpx.QueryParams(
                     {
@@ -630,8 +634,12 @@ class VespaIndex(DocumentIndex):
 
                 while True:
                     try:
+                        vespa_url = (
+                            f"{DOCUMENT_ID_ENDPOINT.format(index_name=index_name)}"
+                        )
+                        logger.debug(f'delete_single DELETE on URL "{vespa_url}"')
                         resp = http_client.delete(
-                            f"{DOCUMENT_ID_ENDPOINT.format(index_name=index_name)}",
+                            vespa_url,
                             params=params,
                         )
                         resp.raise_for_status()

backend/onyx/document_index/vespa/shared_utils/utils.py

@@ -55,7 +55,7 @@ def remove_invalid_unicode_chars(text: str) -> str:
     return _illegal_xml_chars_RE.sub("", text)
 
 
-def get_vespa_http_client(no_timeout: bool = False) -> httpx.Client:
+def get_vespa_http_client(no_timeout: bool = False, http2: bool = True) -> httpx.Client:
     """
     Configure and return an HTTP client for communicating with Vespa,
     including authentication if needed.
@@ -67,5 +67,5 @@ def get_vespa_http_client(no_timeout: bool = False) -> httpx.Client:
         else None,
         verify=False if not MANAGED_VESPA else True,
         timeout=None if no_timeout else VESPA_REQUEST_TIMEOUT,
-        http2=True,
+        http2=http2,
     )