Loki retention period s3 dynamo

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I have a question about the retention mechanism in grafana-loki I need store logs for one year and be able to query them Setup is in k8s with the official Loki chart

below is my config

auth_enabled: false ingester: chunk_idle_period: 5m chunk_block_size: 262144 chunk_retain_period: 1m # max_transfer_retries: 0 lifecycler: ring: kvstore: store: inmemory replication_factor: 1 limits_config: enforce_metric_name: false reject_old_samples: true reject_old_samples_max_age: 168h schema_config: configs: - from: 2020-05-15 store: aws object_store: s3 schema: v11 index: prefix: loki_index_prod_ period: 8760h tags: env: prod-loki server: http_listen_port: 3100 storage_config: aws: s3: s3://us-east-1/loki-prod-t s3forcepathstyle: true dynamodb: dynamodb_url: dynamodb://us-east-1 table_manager: index_tables_provisioning: inactive_read_throughput: 5 inactive_write_throughput: 5 provisioned_write_throughput: 10 provisioned_read_throughput: 10 chunk_tables_provisioning: inactive_read_throughput: 5 inactive_write_throughput: 5 provisioned_write_throughput: 10 provisioned_read_throughput: 10 retention_deletes_enabled: true retention_period: 8760h creation_grace_period: 24h

Now retention is configured for a year, but when the retention period is exited new table in dynamodb will be created, and the old one will be immediately deleted?

In this case, I will lose all logs from the previous year and start from scratch?

Another aspect is how to deal with the retention of chunks in s3?

Any help will be beneficial for me!!


 

Apr 12 in IoT (Internet of Things) by Rahul
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