See: Description
| Interface | Description |
|---|---|
| ActionThrottle.NanoTimeSource | |
| OverseerMessageHandler |
Interface for processing messages received by an
OverseerTaskProcessor |
| OverseerMessageHandler.Lock | |
| OverseerTaskProcessor.OverseerMessageHandlerSelector |
An interface to determine which
OverseerMessageHandler
handles a given message. |
| RecoveryStrategy.RecoveryListener |
| Class | Description |
|---|---|
| ActionThrottle | |
| AddReplicaCmd | |
| Assign | |
| BackupCmd | |
| CloudConfigSetService | |
| CloudDescriptor | |
| CloudUtil | |
| CreateAliasCmd | |
| CreateCollectionCmd | |
| CreateShardCmd | |
| CreateSnapshotCmd |
This class implements the functionality of creating a collection level snapshot.
|
| CurrentCoreDescriptorProvider |
Provide the current list of registered
CoreDescriptors. |
| DeleteAliasCmd | |
| DeleteCollectionCmd | |
| DeleteNodeCmd | |
| DeleteReplicaCmd | |
| DeleteShardCmd | |
| DeleteSnapshotCmd |
This class implements the functionality of deleting a collection level snapshot.
|
| DistributedMap |
A distributed map.
|
| DistributedQueue |
A distributed queue.
|
| ElectionContext | |
| LeaderElector |
Leader Election process.
|
| LeaderInitiatedRecoveryThread |
Background daemon thread that tries to send the REQUESTRECOVERY to a downed
replica; used by a shard leader to nag a replica into recovering after the
leader experiences an error trying to send an update request to the replica.
|
| LockTree |
This is a utility class that offers fine grained locking for various Collection Operations
This class is designed for single threaded operation.
|
| MigrateCmd | |
| MoveReplicaCmd | |
| Overseer |
Cluster leader.
|
| Overseer.FailedOp | |
| Overseer.Stat | |
| Overseer.Stats |
Used to hold statistics about overseer operations.
|
| OverseerAutoReplicaFailoverThread |
In this simple initial implementation we are limited in how quickly we detect
a failure by a worst case of roughly zk session timeout + WAIT_AFTER_EXPIRATION_SECONDS + WORK_LOOP_DELAY_MS
and best case of roughly zk session timeout + WAIT_AFTER_EXPIRATION_SECONDS.
|
| OverseerCollectionConfigSetProcessor |
An
OverseerTaskProcessor that handles:
1) collection-related Overseer messages
2) configset-related Overseer messages |
| OverseerCollectionMessageHandler |
A
OverseerMessageHandler that handles Collections API related
overseer messages. |
| OverseerConfigSetMessageHandler |
A
OverseerMessageHandler that handles ConfigSets API related
overseer messages. |
| OverseerNodePrioritizer |
Responsible for prioritization of Overseer nodes, for example with the
ADDROLE collection command.
|
| OverseerRoleCmd | |
| OverseerSolrResponse | |
| OverseerStatusCmd | |
| OverseerTaskProcessor |
A generic processor run in the Overseer, used for handling items added
to a distributed work queue.
|
| OverseerTaskQueue |
A
DistributedQueue augmented with helper methods specific to the overseer task queues. |
| OverseerTaskQueue.QueueEvent | |
| RecoveryStrategy |
This class may change in future and customisations are not supported
between versions in terms of API or back compat behaviour.
|
| RecoveryStrategy.Builder | |
| ReplaceNodeCmd | |
| RestoreCmd | |
| SizeLimitedDistributedMap |
A size limited distributed map maintained in zk.
|
| SolrZkServer | |
| SplitShardCmd | |
| SyncStrategy | |
| ZkCLI | |
| ZkController |
Handle ZooKeeper interactions.
|
| ZkSolrResourceLoader |
ResourceLoader that works with ZooKeeper.
|
| ZkSolrResourceLoader.ZkByteArrayInputStream |
| Exception | Description |
|---|---|
| ZkController.NotLeaderException |
Thrown during leader initiated recovery process if current node is not leader
|
| ZkController.ResourceModifiedInZkException |
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