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Type:
Task
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Resolution: Won't Do
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: Sharding
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Sharding EMEA
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Sharding 2017-12-04
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None
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3
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None
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None
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None
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None
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We want to simplify the ShardServerCatalogCacheLoader by making a simple local loader and reader of chunk metadata. So we want to move the remote call to ensure the primary has refreshed to the latest metadata out of the ShardServerCatalogCacheLoader and instead place this functionality at a higher level in the refresh logic in ShardingState::onStaleShardVersion. A rough sketch:
onStaleShardVersion(wantedVersion) {
while () {
invalidateCatalogCacheMetadata
refreshAndLoadLocalChunkMetadata
if (wantedVersion > locallyRefreshedVersion) {
optime = forcePrimaryRefresh
waitForOptime(optime)
}
}
}
- depends on
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- Closed
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- has to be done after
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- Closed
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- has to be done before
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- Closed
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- Closed
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- is related to
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- Closed
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SERVER-31595 Generate shardMaps outside MODE_X collection lock
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- Closed
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- related to
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- Closed
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