Package com.linkedin.venice.controller.stats

Interface DeadStoreStats

public interface DeadStoreStats

Method Summary

Modifier and Type	Method	Description
List<StoreInfo>	getDeadStores(List<StoreInfo> storeInfos, Map<String,String> params)	Side effect operation of populating isStoreDead and setStoreDeadStatusReasons in the StoreInfo object and returns back the same list of StoreInfo objects.
void	preFetchStats(List<StoreInfo> storeInfos)	Pre fetches the dead store stats for the given stores, to then be accessible to getDeadStores() In the case where fetching dead store stats is latency intensive, this method can be used to pre-populate dead store stats

Method Details

getDeadStores

List<StoreInfo> getDeadStores(List<StoreInfo> storeInfos,
 Map<String,String> params)

Side effect operation of populating isStoreDead and setStoreDeadStatusReasons in the StoreInfo object and returns back the same list of StoreInfo objects.

Parameters:

storeInfos - List of StoreInfo objects to evaluate

params - Parameters for dead store detection including: - "lookBackMS": long (optional) - Look back time in milliseconds for dead store detection - Future extension points

preFetchStats

void preFetchStats(List<StoreInfo> storeInfos)

Pre fetches the dead store stats for the given stores, to then be accessible to getDeadStores() In the case where fetching dead store stats is latency intensive, this method can be used to pre-populate dead store stats

Parameters:

storeInfos - List of StoreInfo objects to pre-fetch stats for.