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Type: Improvement
Resolution: Unresolved
Priority: Major - P3
Fix Version/s: None
Affects Version/s: None
Component/s: None
Labels:
- server-84243-catalog-cache-split

Assigned Teams:

Catalog and Routing
Sprint:
CAR Team 2024-10-28, CAR Team 2024-11-11, CAR Team 2024-11-25

(Subtask to achieve SERVER-84243 - Dedicate a catalog cache and loader to the shard role. For more information refer to this document)

The goal of this task is to make the CatalogCache of the Grid to use the ConfigServerCatalogCacheLoader (CSCCL) and create a new instance of the CatalogCache and CatalogCacheLoader for the FilteringMetadataCache to only be used in that class. The last instance will be using the ShardServerCatalogCacheLoader (SSCCL).

By doing this, we aim to achieve the following:

The CatalogCache used in the Grid will only reference routing information via CSCCL.
The FilteringMetadataCache class will be responsible for updating the filtering metadata in the CSS and DSS via a new instance of the CatalogCache that uses SSCCL.

depends on

SERVER-95979 Properly handle StaleConfig when wanted shard version is {0,0} in the router role

Closed

SERVER-95980 CollectionRoutingInfoTargeter constructor can fail when fcv is uninitialized

Closed

SERVER-96318 MultiCollectionRouter does not refresh the routing information for the main collection in case of a StaleConfig exception

Closed

SERVER-96336 `index_commands_shard_targeting.js` should be comparing shard version, not collection version

Closed

SERVER-96903 Throwing when unyielding after sending a remote request may continuously swallow a StaleConfig error

Closed

SERVER-95392 Revisit all CatalogCache usages in the DDL coordinators

Closed

SERVER-96323 Update tests that assume the routing information of a shard is up-to-date before running $lookup

Closed

SERVER-96324 Add retriability on transactions the can fail with StaleConfig exceptions

Closed

SERVER-96325 Update js tests profiling that execute nested lookups to accept StaleConfig errors

Closed

is depended on by

SERVER-97318 Update unit tests to work with the catalog cache split gated by its feature flag

Blocked

SERVER-97319 Enable featureFlagCatalogCacheSplit in the embedded router build variant

Blocked

SERVER-95926 Create a ShardServerCatalogCacheLoader interface for its implementations

Blocked

SERVER-95927 Remove the CatalogCache dedicated to config server’s background activities

Blocked

SERVER-96634 Make the routing CatalogCache a service context decoration

Blocked

is related to

SERVER-97511 flushRoutingTableCacheUpdates and flushDatabaseCacheUpdates commands should not refresh the routing information

Open

SERVER-97512 Investigate if a shard can refresh its routing information and retry the operation within a transaction

Open

related to

SERVER-84243 Dedicate a catalog cache and loader to the shard role

In Progress

(4 depends on, 5 is depended on by, 2 is related to, 1 related to)

Assignee:: Pol Pinol

Reporter:: Pol Pinol

Participants:: Pol Pinol

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: Oct 01 2024 10:28:40 AM UTC

Updated:: Nov 22 2024 11:58:47 AM UTC

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