[
https://issues.apache.org/jira/browse/LOG4J2-3092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
xiang ming updated LOG4J2-3092:
-------------------------------
Description:
h1. JSON Template Layout
1 use recycler is queue or threadLocal
2 JsonWriter formattableBuffer receive big string
3 the StringBuilder inner char array expansion and length never getting smaller
E.g.:
{code:java}
public Object test() {
StringBuilder sb=new StringBuilder();
for(int i=0;i<10;i++){
for(int j=0;j<10;j++){
sb.append(UUID.randomUUID());
}
log.info(""+sb+sb);
}
return "success";
}
{code}
!image-2021-05-19-14-35-29-165.png!
!image-2021-05-19-14-35-55-788.png!
was:
h1. JSON Template Layout
1 use recycler is queue or threadLocal
2 JsonWriter formattableBuffer receive big string
3 the StringBuilder inner char array expansion and length neverGetting smaller
E.g.:
{code:java}
public Object test() {
StringBuilder sb=new StringBuilder();
for(int i=0;i<10;i++){
for(int j=0;j<10;j++){
sb.append(UUID.randomUUID());
}
log.info(""+sb+sb);
}
return "success";
}
{code}
!image-2021-05-19-14-35-29-165.png!
!image-2021-05-19-14-35-55-788.png!
> JSON Template Layout JsonWriter formattableBuffer Memory leak
> -------------------------------------------------------------
>
> Key: LOG4J2-3092
> URL: https://issues.apache.org/jira/browse/LOG4J2-3092
> Project: Log4j 2
> Issue Type: Bug
> Environment: <log4j2.version>2.14.1</log4j2.version>
> Reporter: xiang ming
> Priority: Major
> Attachments: image-2021-05-19-14-35-29-165.png,
> image-2021-05-19-14-35-55-788.png
>
>
> h1. JSON Template Layout
> 1 use recycler is queue or threadLocal
> 2 JsonWriter formattableBuffer receive big string
> 3 the StringBuilder inner char array expansion and length never getting
> smaller
>
> E.g.:
>
> {code:java}
> public Object test() {
> StringBuilder sb=new StringBuilder();
> for(int i=0;i<10;i++){
> for(int j=0;j<10;j++){
> sb.append(UUID.randomUUID());
> }
> log.info(""+sb+sb);
> }
> return "success";
> }
> {code}
>
>
> !image-2021-05-19-14-35-29-165.png!
> !image-2021-05-19-14-35-55-788.png!
>
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