pub struct InmemoryRemoteLogMetadataManager { /* private fields */ }Expand description
In-memory RemoteLogMetadataManager: one RemoteLogMetadataCache per
partition behind a single mutex.
It is not durable, and the state is lost on restart. It does enforce the full lifecycle state machine, so it is a faithful stand-in for the topic-backed production manager in tests and single-process setups.
Implementations§
Source§impl InmemoryRemoteLogMetadataManager
impl InmemoryRemoteLogMetadataManager
Sourcepub fn export(&self) -> RlmmCacheDump
pub fn export(&self) -> RlmmCacheDump
Dumps every partition’s segment and partition-delete metadata for a
snapshot. The result is order-independent. Self::import re-derives
the order and the epoch index.
Sourcepub fn import(&self, dump: RlmmCacheDump)
pub fn import(&self, dump: RlmmCacheDump)
Seeds the cache from a dump and does no transition validation.
Use it on a freshly-constructed manager during a snapshot restore. It overwrites existing partitions.
Trait Implementations§
Source§impl Default for InmemoryRemoteLogMetadataManager
impl Default for InmemoryRemoteLogMetadataManager
Source§fn default() -> InmemoryRemoteLogMetadataManager
fn default() -> InmemoryRemoteLogMetadataManager
Source§impl RemoteLogMetadataManager for InmemoryRemoteLogMetadataManager
impl RemoteLogMetadataManager for InmemoryRemoteLogMetadataManager
Source§fn add_remote_log_segment_metadata(
&self,
metadata: RemoteLogSegmentMetadata,
) -> Result<(), RemoteStorageError>
fn add_remote_log_segment_metadata( &self, metadata: RemoteLogSegmentMetadata, ) -> Result<(), RemoteStorageError>
CopySegmentStarted
and its id must not already be known. Read moreSource§fn update_remote_log_segment_metadata(
&self,
update: RemoteLogSegmentMetadataUpdate,
) -> Result<(), RemoteStorageError>
fn update_remote_log_segment_metadata( &self, update: RemoteLogSegmentMetadataUpdate, ) -> Result<(), RemoteStorageError>
Source§fn remote_log_segment_metadata(
&self,
topic_id_partition: &TopicIdPartition,
leader_epoch: LeaderEpoch,
offset: i64,
) -> Result<Option<RemoteLogSegmentMetadata>, RemoteStorageError>
fn remote_log_segment_metadata( &self, topic_id_partition: &TopicIdPartition, leader_epoch: LeaderEpoch, offset: i64, ) -> Result<Option<RemoteLogSegmentMetadata>, RemoteStorageError>
Source§fn highest_offset_for_epoch(
&self,
topic_id_partition: &TopicIdPartition,
leader_epoch: LeaderEpoch,
) -> Result<Option<i64>, RemoteStorageError>
fn highest_offset_for_epoch( &self, topic_id_partition: &TopicIdPartition, leader_epoch: LeaderEpoch, ) -> Result<Option<i64>, RemoteStorageError>
leader_epoch. Read moreSource§fn list_remote_log_segments(
&self,
topic_id_partition: &TopicIdPartition,
) -> Result<Vec<RemoteLogSegmentMetadata>, RemoteStorageError>
fn list_remote_log_segments( &self, topic_id_partition: &TopicIdPartition, ) -> Result<Vec<RemoteLogSegmentMetadata>, RemoteStorageError>
start_offset order. The
state does not matter. Read moreSource§fn list_remote_log_segments_by_epoch(
&self,
topic_id_partition: &TopicIdPartition,
leader_epoch: LeaderEpoch,
) -> Result<Vec<RemoteLogSegmentMetadata>, RemoteStorageError>
fn list_remote_log_segments_by_epoch( &self, topic_id_partition: &TopicIdPartition, leader_epoch: LeaderEpoch, ) -> Result<Vec<RemoteLogSegmentMetadata>, RemoteStorageError>
Source§fn put_remote_partition_delete_metadata(
&self,
metadata: RemotePartitionDeleteMetadata,
) -> Result<(), RemoteStorageError>
fn put_remote_partition_delete_metadata( &self, metadata: RemotePartitionDeleteMetadata, ) -> Result<(), RemoteStorageError>
Source§fn caught_up(
&self,
_topic_id_partition: &TopicIdPartition,
) -> Result<bool, RemoteStorageError>
fn caught_up( &self, _topic_id_partition: &TopicIdPartition, ) -> Result<bool, RemoteStorageError>
topic_id_partition that the metadata store had committed when the
call began. Read moreAuto Trait Implementations§
impl !Freeze for InmemoryRemoteLogMetadataManager
impl RefUnwindSafe for InmemoryRemoteLogMetadataManager
impl Send for InmemoryRemoteLogMetadataManager
impl Sync for InmemoryRemoteLogMetadataManager
impl Unpin for InmemoryRemoteLogMetadataManager
impl UnsafeUnpin for InmemoryRemoteLogMetadataManager
impl UnwindSafe for InmemoryRemoteLogMetadataManager
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