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https://issues.apache.org/jira/browse/CARBONDATA-204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15464758#comment-15464758 ]
ASF GitHub Bot commented on CARBONDATA-204:
-------------------------------------------
Github user foryou2030 commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/123#discussion_r77506707
--- Diff: core/src/main/java/org/apache/carbondata/core/carbon/querystatistics/DriverQueryStatisticsRecorder.java ---
@@ -78,106 +83,148 @@ public synchronized void recordStatisticsForDriver(QueryStatistic statistic, Str
*/
public void logStatisticsAsTableDriver() {
synchronized (lock) {
- String tableInfo = collectDriverStatistics();
- if (null != tableInfo) {
- LOGGER.statistic(tableInfo);
+ Iterator<Map.Entry<String, List<QueryStatistic>>> entries =
+ queryStatisticsMap.entrySet().iterator();
+ while (entries.hasNext()) {
+ Map.Entry<String, List<QueryStatistic>> entry = entries.next();
+ String queryId = entry.getKey();
+ // clear the unknown query statistics
+ if(StringUtils.isEmpty(queryId)) {
+ queryStatisticsMap.remove(queryId);
--- End diff --
I tried this, but caused some exceptions
> Query statistics issue
> -----------------------
>
> Key: CARBONDATA-204
> URL:
https://issues.apache.org/jira/browse/CARBONDATA-204> Project: CarbonData
> Issue Type: Bug
> Reporter: Gin-zhj
> Assignee: Gin-zhj
>
> Query statistics issue:
> 1. some query statistics that never be printed will be keeped into querystatisticsMap, so it will cause "out of memory" for long time running
> 2. in some sceniaro, the driver can't record "sql_parse_time" , the driver statistics logs will not be output
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