zhangbutao commented on code in PR #4565:
URL: https://github.com/apache/hive/pull/4565#discussion_r1290814213
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ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java:
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@@ -227,7 +227,11 @@ public static InputFormat getInputFormatFromCache(
if (format == null) {
try {
format = ReflectionUtil.newInstance(inputFormatClass, conf);
- inputFormats.put(inputFormatClass.getName(), format);
+ // HBase input formats are not thread safe today. See HIVE-8808.
+ String inputFormatName = inputFormatClass.getName().toLowerCase();
+ if (!inputFormatName.contains("hbase")) {
Review Comment:
Sure, we can fix in follow-up jira if other input format has similar issue.
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