Alerts

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    Couchbase Cloud sends alerts when specific conditions are met, such as a Couchbase Server node running out of disk space.

    Couchbase Cloud sends the following alerts when the specified usage metrics are detected:

    Severity Alert Description

    CRITICAL

    CanarySimulatedAlert

    A simulated alert.

    CRITICAL

    CBCommitFailures

    Commit failures are occurring.

    CRITICAL

    CBHardOutOfMemoryErrors

    The number of out of memory (OOM) errors has increased for more than 1 minute over a 5 minute period.

    CRITICAL

    CBHighDiskWriteQueueCritical

    More than 1 million items need to be written to disk.

    WARNING

    CBHighDiskWriteQueueWarning

    More than 800 000 items need to be written to disk.

    INFO

    CBHighDiskWriteQueueInfo

    More than 500 000 items need to be written to disk.

    CRITICAL

    CBLowActiveResidentRatioCritical

    A bucket has an active vBucket resident ratio below 2%.

    WARNING

    CBLowActiveResidentRatioWarning

    A bucket has an active vBucket resident ratio below 20%.

    CRITICAL

    CBQuotaUsageHigh

    Couchbase memory usage has exceeded the configured memory for a bucket.

    CRITICAL

    CBVeryHighDiskUsage

    A Couchbase Server node has exceeded 85% disk usage.

    WARNING

    CBHighDiskUsage

    A Couchbase Server node has exceeded 75% disk usage for more than 1 hour.

    CRITICAL

    CouchbaseNodesDying

    The number of active Couchbase Server nodes has been reduced in any 10 minute period.

    WARNING

    CouchbaseXDCRErroring

    A bucket has XDCR errors.

    CRITICAL

    DataplaneBackupFailure

    Database backup has failed.

    CRITICAL

    DataplaneBackupFourHourDuration

    Database backup duration exceeds 4 hours.

    WARNING

    DataplaneBackupTwoHourDuration

    Database backup duration exceeds 2 hours.

    CRITICAL

    ExtendedMetricsScrapeFailures

    A cluster’s metrics have not been successfully scraped in over 15 minutes.

    WARNING

    MetricsScrapeFailure

    A cluster’s metrics have not been successfully scraped in over 4 minutes.