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Cost optimization

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Costs depend on two factors:

  • Data volume: Determined by your business and cannot be optimized.

  • Configuration: align your settings with data volume to minimize costs.

Optimize configurations

Focus on two areas:

  • Number of shards

    Each shard processes up to 5 MB/s. Only readwrite shards incur fees. Adjust shard count to match throughput and merge shards to reduce costs.

  • Logstore retention period

    Set retention based on your query and storage needs:

    • For stream computing, use LogHub only and skip index creation.

    • For long-term storage, ship logs to OSS.

Additional recommendations

  • Use Logtail for log collection. Logtail supports batch transmission and checkpoint-based resumption for real-time delivery, and uses 75% less CPU than open source alternatives such as Logstash or Fluentd.

  • Write logs via the API in large packages (64 KB to 1 MB) to reduce request count.

  • Index only key fields such as UserID and Action. Avoid indexing unnecessary fields.

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