You created a log-based metric with filter severity = "ERROR" OR severity = "CRITICAL", but the metric shows zero counts. What is the likely problem?

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GCP - Cloud Monitoring and Logging

You created a log-based metric with filter severity = "ERROR" OR severity = "CRITICAL", but the metric shows zero counts. What is the likely problem?

AThe filter syntax is invalid; OR is not supported in log-based metric filters

BSeverity levels ERROR and CRITICAL do not exist

CThe logs do not have severity fields

DThe metric needs at least 24 hours to show data

Step-by-Step Solution

Solution:

Step 1: Check if the filter syntax is valid
The syntax severity = "ERROR" OR severity = "CRITICAL" is valid; OR is supported in log-based metric filters.
Step 2: Understand impact of zero counts
A valid filter with zero counts indicates no matching logs, likely because the logs do not have severity fields or lack ERROR/CRITICAL values.
Final Answer:
The logs do not have severity fields -> Option C
Quick Check:
Valid filter + zero = no matching logs [OK]

Quick Trick: Zero metric despite valid filter usually means no matching log entries [OK]

Common Mistakes:

Assuming filter syntax invalid
Thinking OR unsupported
Waiting 24 hours unnecessarily

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You created a log-based metric with filter severity = "ERROR" OR severity = "CRITICAL", but the metric shows zero counts. What is the likely problem?

Step 1: Check if the filter syntax is valid

Step 2: Understand impact of zero counts

Final Answer:

Quick Check:

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