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Exploring Chunk States

The table below lists all possible states a chunk can have.

Status

Description

healthy

Percentage of chunks that have enough active replicas.

replicating

Percentage of chunks whose replicas are being replicated.

offline

Percentage of chunks that have no active replicas.

void

Percentage of chunks that have one or more replicas whose state cannot be parsed.

pending

Percentage of chunks that must be replicated in the first place because all operations with these chunks are suspended and the client is waiting for the replication to complete.

blocked

Percentage of chunks whose number of replicas is equal or below the minimum replicas limit. No write operations to these chunks are allowed.

urgent

Percentage of chunks that are nearing the minimum replicas limit.

degraded

Percentage of chunks that do not have enough active replicas.

standby

Percentage of chunks that have one or more replicas in the standby state. A replica is marked standby if it is inactive no more than 5 minutes.

overcommitted

Percentage of chunks that have an excessive amount of replicas.