Self-service Resources Quickstarts. View short tutorials to help you get started. Stay in the know and become an Innovator. Prepare and register for certifications. Expert help and training Consulting. Partner with our experts on cloud projects. Enroll in on-demand or classroom training. Partners and third-party tools Google Cloud partners. Explore benefits of working with a partner.
Join the Partner Advantage program. Deploy ready-to-go solutions in a few clicks. More ways to get started. Cloud Logging. How-to guides. Collect logs using agents. Ops Agent. Install the Ops Agent. Manage the Ops Agent. Collect logs from third-party applications. Legacy Logging agent. Install the Logging agent. Manage the Logging agent. Route and store logs. Configure sinks to route logs. Control access to logs. View logs. Analyze logs. Monitor logs. Use log-based metrics.
Use log-based alerts. Use Logging libraries. Cloud Audit Logs. Google Workspace audit logs. Audit logs datatypes. App Engine AuditData. App Engine AuditData legacy. BigQuery AuditData.
Other Google Cloud Operations suite documentation. Application Performance Management. Get started To begin using the Logs Explorer, do the following: Ensure that you have the correct Identity and Access Management role to view logs. Logs Explorer interface The Logs Explorer interface lets you retrieve logs, parse and analyze log data, and refine your query parameters.
The Logs Explorer contains the following panes, which are detailed in the following sections: Action bar Query builder Log fields Histogram Query results Action bar The Action bar pane offers the following features: Options : Lets you go to the Legacy Logs Viewer, send feedback, and view a summary of new Logging features.
Refine scope : Lets you scope your search by logs in your current Cloud project only or by one or more storage views. For more information about scoping, see Refine scope. Share link : Lets you create a shortened URL of the current query and copies it to your clipboard , making it easier to share a query. Two options are provided: Copy with absolute time range and Copy with relative time range.
If you select Copy with absolute time range , then the copied URL has the corresponding absolute time range represented by the current time range; for example, PM - PM. If you select Copy with relative time range , then the copied URL has the current relative time range selected; for example, 1 hour. Time-range selector : Lets you restrict query results by time range.
The default time range is one hour. You can also use the Jump to time option to restrict and center the time range around a specific timestamp. Page layout : Lets you enable and disable the Histogram and Logs field explorer panes. Learn : Lets you view links to relevant documentation.
Refine scope You can refine the scope of the logs displayed in the Logs Explorer through the Refine scope option. On the Refine scope dialog, select a Scope by option. If you select Scope by storage , select one or more buckets you want to view. The dialog lists storage views that meet the following conditions: The user has access to the storage view.
The log buckets belong to the selected Cloud project, or the selected Cloud project has previously routed logs to the storage buckets. Click Apply. Query builder From the Query builder pane, you can do the following: Query-builder field : Lets you build queries using the Logging query language. Query builder drop-down menus : Lets you add query expressions based on Resource , Log name , and Severity.
For more information, see Query builder drop-down menus. Recent : Lets you view your recent queries. For more information, see Recent queries. Saved : Lets you view your saved queries and queries that other users of the Cloud project have shared with you.
For more information, see Saved queries and Shared queries. Suggested : Lets you view suggested queries based on the resources in your Cloud project. For more information, see Suggested queries. Save : Lets you save queries that can be viewed and run from the Saved tab. Stream logs : Lets you view log entries as Logging ingests them. For more information, see Stream logs. Run : Lets you run your queries after you have built them in the query-builder field.
Stream logs You can stream your logs as Logging ingests them, or you can add a query to stream only those logs that match the query. Log fields pane The Log fields pane offers a high-level summary of logs data and provides a more efficient way to refine a query.
Enable the Log fields pane To enable the Log fields pane, select Page Layout , and then select the Log fields checkbox. To disable the Log fields pane, clear the Log fields checkbox. Log fields pane features The Log fields pane is populated and updated based on an executed query in the Query builder.
Add fields to Log fields pane You can add certain LogEntry key-value pairs to the Logs field pane from the log entries populated in the Query results pane.
The custom field appears in the Log fields pane as a list of key-value pairs. Note that the following types of fields can't be added to the Log fields pane: Fields related to time; for example, receiveTimestamp and protoPayload. Fields with high cardinality; for example, insertId and protoPayload. Fields with array indices in their path; for example, protoPayload.
Analyze logs using the Log fields pane To narrow down and refine a query, you can add field-value pairs from the Log fields pane to the Query builder expression. Histogram The Histogram pane lets you visualize the distribution of logs over time. Enable the histogram pane To enable the histogram pane, select Page Layout , and then select the Histogram checkbox.
To disable the histogram pane, clear the Histogram checkbox. Histogram features Histogram bars: Each histogram bar represents a time range. Yellow: Medium severities such as Warning. Analyze logs using time controls You can use the histogram's time controls to help you investigate and analyze your logs data. Adjust time quickly The histogram provides time controls that let you quickly adjust the data that you see in the Logs Explorer. Scroll or zoom to time In addition to the time controls above, the histogram provides the Scroll to time and Zoom to time features to give you more in-depth control of the histogram and the data that you see in other panes in the Logs Explorer.
When you select the Scroll to time feature, the following happens: The logs data that you see in the Query results pane adjusts according to the time range captured by the selected histogram bar. To select the Scroll to time feature, do the following: Hover over a bar in the Histogram timeline. In the pane, select Scroll to time. When you select the Zoom to time feature, the following happens: The logs data that you see in the Query results pane reloads and narrows according to the time-range restriction of the selected histogram bar.
The histogram changes to show only logs that have a timestamp value that falls within the time range of the selected histogram bar. The data in the Log fields pane adjusts according to the time range captured by the selected histogram bar.
To select the Zoom to time feature, do the following: Hover over a bar in the Histogram timeline. In the pane, select Zoom to time. Query results The Query results pane lets you explore the log entries that match your query expressions and the time range you've selected using the histogram's time controls or the time-range selector. Query results : Lets you view the retrieved logs from your query. Expand and collapse query results : Lets you expand the query-results pane to view more log entries.
Time zone : Lets you change the time zone that logs are displayed in. Trace data : Lets you view trace details and refine your query based on the trace. For more information, see View trace data. Hide log summary : Lets you hide the log summary line from the query results.
Expand or collapse nested log fields : Lets you expand or collapse nested fields. Copy link to a log entry : Lets you share a link to a log entry. For more information, see Copy a link to a log entry.
Jump to now : Lets you perform a forced refresh to include the current time. If the time-range selector uses a custom range and an end time is set, it runs the query with a default time range of one hour. Otherwise, it refreshes with the current start date or duration, and runs the query.
Note that the query expression isn't altered when you use this feature. Actions : Lets you set up a logs-based metric, create a sink destination, or download your logs. For more information on downloading logs, see Download logs. Configure : Lets you add the value of a log field to the summary line at the beginning or end of the log entry.
It also lets you choose to show newest logs either first or last. For more information on adding a summary field, see Add summary fields. Pin log entry : Lets you pin a log entry to the Query results and Histogram panes.
For more information, see Pin logs. Cursor scroll : When you scroll the logs in Query results , the URL adjusts to include cursorTimestamp , which indicates the timestamp of the newest log shown in the current Query results pane. Within the query-results pane, you can click the values of a field to choose to do the following: Show matching entries : Lets you query for matching log entries.
Hide matching entries : Lets you query for log entries that don't match the selected expression. Add field to summary line : Lets you add the field as a summary line to log entries.
Add summary fields Summary fields help you notice patterns in your logs faster. Click a field's value and then select Add field to summary line. The summary field now appears before the log entries containing that field. Add a summary field using the Configure button To add a summary field using the Configure button, complete the following steps: Click Configure and select Manage Summary Fields.
Add fields. The summary field selection has the following features: Autocomplete using the logs currently displayed. Field correction for legal characters within quotes. Pin log entries Pinning a log entry lets you highlight a log entry of interest.
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