Github user PallaviSingh1992 commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/337#discussion_r89041271
--- Diff:
core/src/main/java/org/apache/carbondata/core/cache/CacheProvider.java ---
@@ -84,14 +84,13 @@ public static CacheProvider getInstance() {
//check if cache is null for given cache type, if null create one
if (!dictionaryCacheAlreadyExists(cacheType)) {
synchronized (lock) {
- if (!dictionaryCacheAlreadyExists(cacheType)) {
- if (null == cacheTypeToLRUCacheMap.get(cacheType)) {
- createLRULevelCacheInstance(cacheType);
- }
- createDictionaryCacheForGivenType(cacheType, carbonStorePath);
+ if (null == cacheTypeToLRUCacheMap.get(cacheType)) {
+ createLRULevelCacheInstance(cacheType);
}
+ createDictionaryCacheForGivenType(cacheType, carbonStorePath);
--- End diff --
synchronized blocks synchronized on the same object can only have one
thread executing inside them at the same time.
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