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invalidate all region cache on store when store id not found #170

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merged 2 commits into from
May 20, 2021
Merged

invalidate all region cache on store when store id not found #170

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invalidate all region cache on store when store id not found
birdstorm May 17, 2021
6e76d04
optimize
birdstorm May 17, 2021
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13 changes: 12 additions & 1 deletion src/main/java/org/tikv/common/region/RegionManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -129,9 +129,15 @@ public Pair<TiRegion, Store> getRegionStorePairByKey(
if (isReplicaRead) {
Peer peer = region.getCurrentFollower();
store = cache.getStoreById(peer.getStoreId(), backOffer);
if (store == null) {
cache.invalidateRegion(region);
}
} else {
Peer leader = region.getLeader();
store = cache.getStoreById(leader.getStoreId(), backOffer);
if (store == null) {
cache.clearAll();
}
}
} else {
outerLoop:
Expand Down Expand Up @@ -316,8 +322,8 @@ public synchronized void invalidateAllRegionForStore(long storeId) {

// remove region
for (TiRegion r : regionToRemove) {
regionCache.remove(r.getId());
keyToRegionIdCache.remove(makeRange(r.getStartKey(), r.getEndKey()));
regionCache.remove(r.getId());
}
}

Expand All @@ -340,5 +346,10 @@ public synchronized Store getStoreById(long id, BackOffer backOffer) {
throw new GrpcException(e);
}
}

public synchronized void clearAll() {
keyToRegionIdCache.clear();
regionCache.clear();
}
}
}