tscached.yaml

---
tscached:
    redis:
        host: "localhost"
        port: 6379
        default_expire: 10800  # 3 hours

    kairosdb:
        host: "localhost"
        port: 8080

    webapp:
        host: "0.0.0.0"
        port: 8008
        log_level: "logging.DEBUG"

    expiry:
        metricnames: 300
        tagnames: 300
        tagvalues: 300
        metaquery: 300

    data:
        default_expiry: 10800  # 3 hours, in seconds
        expected_resolution: 10000  # in milliseconds
        acceptable_skew: 6  # for merging purposes
        staleness_threshold: 10  # data up to this far in the past is "new"

    chunking:
        chunk_length: 3600  # chunk on 1 hour intervals
        max_chunks: 6  # increase chunk size if more than this needed
        thread_timeout: 30  # timeout on waiting for chunk threads to join

    shadow:  # in seconds
        http_header_name: 'Tscached-Shadow-Load'
        update_interval: 300  # how often to run the update script (secs)
        leader_expiration: 3600  # TTL (sec) on the leader flag - which server runs updates
        referrer_blacklist:  # if the referrer contains any of these, do not do readahead.
        - 'edit'      # grafana edit views
        - 'tscached'  # commonly part of the URL for the debug UI