Troubleshooting · pganalyze (2024)

Error: "Could not get logs through Azure Event Hub: Timeout"

This error can occur when you went quickly through the steps, and the Postgres databaseserver has not been able to deliver a message yet to the Event Hub. There is a delay of2-5 minutes for log messages to reach the Event Hub.

We recommend waiting 5 minutes, and then retrying. You can verify whether the Event Hubhas received any messages by navigating to it in the Azure Portal.

If this error persists, verify that you've configured the diagnostic setting in Step 3 correctly.

Error: "status code 401 and description: Attempted to perform an unauthorized operation."

This occurs when the collector can't access the Azure Event Hub API.

Review whether you have followed Step 2 fully and assigned the "Azure Event Hubs Data Receiver" permission for the Managed Identity (or Azure AD application) to your Azure Event Hub.

Error: "ManagedIdentityCredential: no default identity is assigned to this resource"

This error occurs when there is no authentication configured.

When using Managed Identity, verify that you have actually assigned the identity to your VM.Read more in the Azure documentation.

This may also occur when you have multiple user-assigned managed identities set for your virtual machine.Try removing any unrelated managed identities, or explicitly set the azure_ad_client_id / AZURE_AD_CLIENT_ID setting tothe Managed Identity's Client ID.

Error: "failed to configure Azure AD JWT provider"

See the above section titled Error: "ManagedIdentityCredential: no default identity is assigned to this resource"

Error: "failed to connect to the Event Hub management node"

Double check your Event Hub namespace and Event Hub name that you have configured in Step 5.

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Troubleshooting · pganalyze (2024)

FAQs

How to troubleshoot database issues? ›

The first step is to identify the type, source, and impact of the error. You can use various methods to do this, such as checking the database logs, running diagnostic queries, using monitoring tools, or reproducing the error in a test environment.

How does PGAnalyze work? ›

The pganalyze Indexing Engine automatically analyzes your Postgres query workload, as well as the schema information and schema statistics, to determine the right set of "good enough" indexes that enable high query performance whilst keeping Index Write Overhead low.

How do I fix a corrupted database? ›

How To Repair a Corrupted SQL Database
  1. Step 1 – Attempt Repair with SQL Server Management Studio (Optional) ...
  2. Step 2 – Choose a Good Database Repair Tool (Recommended) ...
  3. Step 3 – Download Your SQL Repair Tool. ...
  4. Step 4 – Run Your SQL Database Repair Tool. ...
  5. Step 5 – Scan the Corrupted SQL Database.

Why is my database not working? ›

This error means that your website files (on the webserver) are not able to connect to your database (on the database server). This article lists some common reasons this error could display on your site, including: Incorrect database credentials in your config file. The hostname isn't working.

What is PG analyze? ›

ANALYZE collects statistics about the contents of tables in the database, and stores the results in the pg_statistic system catalog. Subsequently, the query planner uses these statistics to help determine the most efficient execution plans for queries.

What is pgBadger? ›

pgBadger is a PostgreSQL log analyzer built for speed providing fully detailed reports based on your PostgreSQL log files. It's a small standalone Perl script that outperforms any other PostgreSQL log analyzer.

What is PgHero? ›

PgHero is by far the best free Postgres database monitoring tool. GitHub - ankane/pghero: A performance dashboard for Postgres. From github.com.

How do you handle database errors? ›

How do you handle errors and exceptions in your database queries without exposing sensitive information?
  1. Use parameterized queries.
  2. Use try-catch blocks.
  3. Use custom error handlers.
  4. Use secure configuration settings.
  5. Use testing and debugging tools.
  6. Use logging and monitoring tools.
  7. Here's what else to consider.
Apr 3, 2023

How do you resolve database performance issues? ›

How to Improve Database Performance?
  1. 1: Check your database server.
  2. 2: Improve indexing strategies.
  3. 3: Identify access to database.
  4. 4: Evaluate connection capacity.
  5. 5: Optimize Queries.
  6. 6: Database Performance Resources.

How do I troubleshoot SQL errors? ›

Debugging a SQL query
  1. Go to the line that is failing in your SQL query. ...
  2. Check the SQL syntax on the line that is failing in your SQL query.
  3. Check your query logic if the query uses joins, subqueries, or CTEs.
  4. If you get an error message that isn't specific to your SQL query, go to Troubleshooting error messages.

References

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