nsivabalan commented on code in PR #9788:
URL: https://github.com/apache/hudi/pull/9788#discussion_r1394720697
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hudi-common/src/main/java/org/apache/hudi/common/util/ReflectionUtils.java:
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@@ -48,19 +48,17 @@ public class ReflectionUtils {
private static final Map<String, Class<?>> CLAZZ_CACHE = new HashMap<>();
public static Class<?> getClass(String clazzName) {
- if (!CLAZZ_CACHE.containsKey(clazzName)) {
- synchronized (CLAZZ_CACHE) {
- if (!CLAZZ_CACHE.containsKey(clazzName)) {
- try {
- Class<?> clazz = Class.forName(clazzName);
- CLAZZ_CACHE.put(clazzName, clazz);
- } catch (ClassNotFoundException e) {
- throw new HoodieException("Unable to load class", e);
- }
+ synchronized (CLAZZ_CACHE) {
Review Comment:
do you think we can keep the sync only for case where its not present.
```
if (not present) {
synchronized (OBJ) {
instantiate
again check if its present and put only if absent.
}
}
```
So, most of the time regular readers who might end up reading an already
existing object may not need to acquire lock
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