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SIGHUP behaviour

Logger

Logger level can be reloaded with a SIGHUP.

Policer

Available for reconfiguration fields:

  head_timeout:
  replication_cooldown:
  object_batch_size:
  max_workers:

Storage engine

Shards can be added, removed or reloaded with SIGHUP. Each shard from the configuration is matched with existing shards by comparing paths from shard.blobstor section. After this we have 3 sets:

  1. Shards that are missing from the configuration (or have mode: disabled) but are currently open. These are closed.
  2. Shards that are added. These are opened and initialized.
  3. Shards that remain in the configuration. For these shards we apply reload to a metabase only. If resync_metabase is true, the metabase is also resynchronized.

Metabase

Changed section Actions
path If path is different, metabase is closed and opened with a new path. All other configuration will also be updated.

Morph

Changed section Actions
endpoints Updates N3 endpoints.
If new endpoints do not contain the endpoint client is connected to, it will reconnect to another endpoint from the new list. Node service can be interrupted in this case.