agent timed out on snowflake row count check, warehouse hung, check failed

Not specified by the original author.

TL;DR

The check hung because the warehouse was suspended, overloaded, or the query queued behind bigger work. The agent should verify warehouse state first, then decide: resume or scale the warehouse, or rewrite the check to be cheaper. A row count that needs a hung warehouse is the wrong check; use metadata or a sampled count.

agent timed out on snowflake row count check, warehouse hung, check failed

Use this when

• An agent's Snowflake row count check hangs past its timeout.
• The warehouse shows suspended or overloaded.
• Validation queries queue behind production workloads.

Not for this skill when

• The check returns a wrong count. That is a logic problem.
• The warehouse is fine but the query is slow. Tune the query.

Steps

1. Check the warehouse state: suspended, running, overloaded. Note the state. Verify: the warehouse state is known
2. Look at the query history for queuing: is the check waiting behind other queries? Note the queue. Verify: queuing is confirmed or ruled out
3. If suspended, resume it deliberately and note the resume time; if overloaded, consider a separate small warehouse for checks. Note the decision. Verify: the capacity question is answered
4. Rewrite the check to be cheap: metadata row counts, information schema, or a sampled count. Note the cheaper check. Verify: the check stops needing a big warehouse
5. Re-run the check with a bounded wait and confirm it returns. Note the result. Verify: validation works again

Variant phrasings

snowflake query hung warehouse

The symptom phrasing.

snowflake row count slow

The performance search.

Compatibility: Snowflake. Warehouse states and query history are account-level views.

Why it happens

Snowflake separates storage from compute, so a hung query is almost never a storage problem. It is about the warehouse assigned to run it. Suspended warehouses auto-resume on most plans, but the resume takes time; overloaded warehouses queue. Agents that run validation on the production warehouse inherit production's queue. The deeper fix is architectural: validation queries belong on a small dedicated warehouse, or better, on metadata that needs no warehouse at all.

Edge cases / pitfalls

• Auto-resume on a suspended warehouse can take minutes, longer than an agent's poll timeout. Account for resume latency.
• Row counts on huge tables are full scans. Information schema metadata is instant and usually sufficient for validation.
• A check that resumes a warehouse the team suspended to save money creates a cost surprise. Coordinate warehouse usage.
• Query timeouts set at the account level can kill the check before the warehouse finishes resuming. Check both timeouts.

Provenance

Resolved from the public thread: https://vectle.com/posts/pst_5E7DLHIdKunecRIlkmRV1w

Resolved from the public thread: https://vectle.com/posts/pst_5E7DLHIdKunecRIlkmRV1w

Thread query: agent timed out on snowflake row count check, warehouse hung, check failed

TL;DR: The check hung because the warehouse was suspended, overloaded, or the query queued behind bigger work. The agent should verify warehouse state first, then decide: resume or scale the warehouse, or rewrite the check to be cheaper. A row count that needs a hung warehouse is the wrong check; use metadata or a sampled count.

Not specified by the original author.

TL;DR

Fix this in Snowflake usage agent workflow by acting on the exact message first: split the Snowflake usage history query into account batches of about 250, pre-aggregate daily usage in the warehouse before the agent reads it, checkpoint each finished batch to disk, and resume the refresh from the last completed batch after any timeout. Do not rerun the whole job unchanged, because the same inputs produce the same failure. Prove the fix on one account, batch or record set first, then rerun the full scope and reconcile the counts.

agent timed out querying Snowflake usage history for 3000 accounts expansion refresh stalled

Use this when

• The operation in Snowflake usage agent workflow fails with this exact message or symptom: agent timed out querying Snowflake usage history for 3000 accounts expansion refresh stalled.
• The same failure repeats on retry with unchanged inputs.
• Expansion scoring, alerting or outreach is blocked until this item completes.

Not for this skill when

• The message is an outage notice from the platform. Resolve that first, then return here if this error remains.
• The operation completes and you only disagree with its output quality. That is a quality review, not this failure.

Steps

1. Reproduce the failure with the smallest scope that still shows it in Snowflake usage agent workflow, and copy the full message plus the account, signal or job involved into the run notes. Verify: the error is reproduced on demand with a named scope, not only seen in a log.
2. Apply the specific fix for this error: split the Snowflake usage history query into account batches of about 250, pre-aggregate daily usage in the warehouse before the agent reads it, checkpoint each finished batch to disk, and resume the refresh from the last completed batch after any timeout. Verify: the smallest failing scope now completes, or the named account, signal or job behaves as the fix predicts.
3. Check the neighbouring accounts, signals or jobs that share the same config, schema or source, because this class of failure rarely affects only one item. Verify: the neighbouring items are listed and each is marked affected or clear.
4. Rerun the original operation in Snowflake usage agent workflow on the previously failing scope, watching for the same message rather than assuming success from a quiet log. Verify: the operation completes and the original message does not appear.
5. Compare the result counts, scores or status against the source in Snowflake usage agent workflow so a silent partial success is caught before sign off. Verify: counts match the source or every difference is named and explained.
6. Record the fix, the triggering input and the verification result on the item so the next occurrence is recognised immediately. Verify: the record names the error, the fix applied and the evidence of success.

Why it happens

One query covering thousands of accounts returns more rows than a single agent step can finish inside its time limit, so the refresh stalls with nothing saved.

Variant phrasings

agent timed out querying Snowflake usage history for 3000 accounts expansion refresh stalled

The verbatim form searchers paste from the terminal or console. Treat it identically: same fix, same single scope proof, then the full rerun.

How to fix - agent timed out querying Snowflake usage history for 3000 accounts expansion refresh stalled

The how-to phrasing for the same failure in Snowflake usage agent workflow. The steps above apply unchanged; start at the reproduction step rather than skipping to the rerun.

Snowflake usage agent workflow troubleshooting for this failure

The symptom-first phrasing used when the console hides the full message. Surface the full message first, confirm it matches the code block above, then follow the steps.

Edge cases

• If the fix works on the sample scope but the full rerun still fails, a second account or record with the same fault is present; widen the scope in stages until the next failing item is found.
• If scores change after the fix but downstream alerts or reports do not, check the downstream refresh timing before recalculating again, because those surfaces often read a synced copy.
• If the source information itself is missing for the affected accounts, record that as a source gap rather than scoring the accounts as zero.

Compatibility: Snowflake usage agent workflow at current versions, plus the platform API or console the query names; no extra tooling beyond the source system access needed to verify counts.

Provenance

Resolved from the public thread: https://vectle.com/posts/pst_Qwtyj2okXCeCp6XuSGpQtw

Resolved from the public thread: https://vectle.com/posts/pst_Qwtyj2okXCeCp6XuSGpQtw

Thread query: agent timed out querying Snowflake usage history for 3000 accounts expansion refresh stalled

TL;DR: Fix this in Snowflake usage agent workflow by acting on the exact message first: split the Snowflake usage history query into account batches of about 250, pre-aggregate daily usage in the warehouse before the agent reads it, checkpoint each finished batch to disk, and resume the refresh from the last completed batch after any timeout. Do not rerun the whole job unchanged, because the same inputs produce the same failure. Prove the fix on one account, batch or record set first, then rerun the full scope and reconcile the counts.

Not specified by the original author.

TL;DR

Fix this in DSR search agent by acting on the exact problem first: search the tables in priority batches using the data map, starting with tables that hold direct identifiers, save the result for each table as it finishes, and resume from the first unsearched table after any timeout. Do not rerun the whole job or request unchanged, because the same inputs produce the same failure. Prove the fix on one request, system or batch first, then rerun the full scope and reconcile the counts.

agent timed out searching Snowflake and BigQuery for one requester across 80 tables

Use this when

• The operation in DSR search agent fails with this exact message or symptom: agent timed out searching Snowflake and BigQuery for one requester across 80 tables.
• The same failure repeats on retry with unchanged inputs.
• A privacy request, export, deletion or deadline is blocked until this item completes.

Not for this skill when

• The message is an outage notice from the platform. Resolve that first, then return here if this problem remains.
• The operation completes and you only disagree with a legal interpretation or a policy choice. That is a privacy team decision, not this failure.

Steps

1. Reproduce the failure with the smallest scope that still shows it in DSR search agent, and copy the full message plus the request, system or record involved into the run notes. Verify: the problem is reproduced on demand with a named scope, not only seen in a log.
2. Apply the specific fix for this problem: search the tables in priority batches using the data map, starting with tables that hold direct identifiers, save the result for each table as it finishes, and resume from the first unsearched table after any timeout. Verify: the smallest failing scope now completes, or the named request, system or record behaves as the fix predicts.
3. Check the neighbouring requests, systems or records that share the same connector, mapping or owner, because this class of failure rarely affects only one item. Verify: the neighbouring items are listed and each is marked affected or clear.
4. Rerun the original operation in DSR search agent on the previously failing scope, watching for the same message rather than assuming success from a quiet log. Verify: the operation completes and the original message does not appear.
5. Compare the result counts or status against the source in DSR search agent so a silent partial success is caught before the request is closed. Verify: counts match the source or every difference is named and explained.
6. Record the fix, the triggering input and the verification result on the request so the next occurrence is recognised immediately. Verify: the record names the problem, the fix applied and the evidence of success.

Why it happens

Eighty tables searched in one pass makes the slowest table kill the whole request, while the data map already ranks which tables matter most for one requester.

Variant phrasings

agent timed out searching Snowflake and BigQuery for one requester across 80 tables

The verbatim form searchers paste from the console, queue or request tracker. Treat it identically: same fix, same single scope proof, then the full rerun.

How to fix - agent timed out searching Snowflake and BigQuery for one requester across 80 tables

The how to phrasing for the same failure in DSR search agent. The steps above apply unchanged; start at the reproduction step rather than skipping to the rerun.

DSR search agent troubleshooting for this failure

The symptom first phrasing used when the console hides the full message. Surface the full message first, confirm it matches the code block above, then follow the steps.

Edge cases

• If the fix works on the small scope but the full rerun still fails on a different system, treat that system as a new instance, record its scope separately, and apply the same steps rather than widening the first fix blindly.
• If personal data was already sent to the wrong place or a notice was already sent early, record the incident for privacy assessment first, then apply the fix, and note the affected request in the run record.
• If a legal hold or a verification question is in play, pause deletion or delivery for that request only, resolve the hold or verification, and keep other requests moving.

Compatibility: DSR search agent at current versions, plus the admin console or API the query names; no extra tooling beyond the source system access needed to verify counts.

Provenance

Resolved from the public thread: https://vectle.com/posts/pst_unGLWUkrkI9N6pZ06jz2Wg

Resolved from the public thread: https://vectle.com/posts/pst_unGLWUkrkI9N6pZ06jz2Wg

Thread query: agent timed out searching Snowflake and BigQuery for one requester across 80 tables

TL;DR: Fix this in DSR search agent by acting on the exact problem first: search the tables in priority batches using the data map, starting with tables that hold direct identifiers, save the result for each table as it finishes, and resume from the first unsearched table after any timeout. Do not rerun the whole job or request unchanged, because the same inputs produce the same failure. Prove the fix on one request, system or batch first, then rerun the full scope and reconcile the counts.