kazusa
/
skywalking-java
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Refine ES-Server-FAQ.md (#6486)

This commit is contained in:
Wing 2021-03-04 20:51:42 +08:00 committed by GitHub
parent 871fdf2fa2
commit 9f00af6c50
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 11 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
docs/en/FAQ/ES-Server-FAQ.md
View File

@ -1,6 +1,6 @@
# ElasticSearch
Some new users may face
* ElasticSearch performance is not as good as expected. Such as, can't have latest data after a while.
Some new users may encounter the following issues:
* The performance of ElasticSearch is not as good as expected. For instance, the latest data cannot be accessed after some time.
Or
* ERROR CODE 429.
@ -13,9 +13,9 @@ Or
at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:522) ~[elasticsearch
```
You could add following config to `elasticsearch.yml`, set the value based on your env.
You could add the following config to `elasticsearch.yml`, and set the value based on your environment variable.
```yml
# In tracing scenario, consider to set more than this at least.
# In the case of tracing, consider setting a value higher than this.
thread_pool.index.queue_size: 1000
thread_pool.write.queue_size: 1000
@ -23,4 +23,4 @@ thread_pool.write.queue_size: 1000
index.max_result_window: 1000000
```
Read ElasticSearch official documents to get more information.
For more information, see ElasticSearch's official documentation.

11
docs/en/FAQ/EnhanceRequireObjectCache-Cast-Exception.md
View File

@ -1,5 +1,5 @@
### Problem
when you start your application with `skywalking` agent,if you find this exception in your agent log which mean `EnhanceRequireObjectCache` can not be casted to `EnhanceRequireObjectCache`.eg:
When you start your application with the `skywalking` agent, you may find this exception in your agent log which means that `EnhanceRequireObjectCache` cannot be casted to `EnhanceRequireObjectCache`. For example:
```java
ERROR 2018-05-07 21:31:24 InstMethodsInter : class[class org.springframework.web.method.HandlerMethod] after method[getBean] intercept failure
java.lang.ClassCastException: org.apache.skywalking.apm.plugin.spring.mvc.commons.EnhanceRequireObjectCache cannot be cast to org.apache.skywalking.apm.plugin.spring.mvc.commons.EnhanceRequireObjectCache
@ -13,7 +13,8 @@ java.lang.ClassCastException: org.apache.skywalking.apm.plugin.spring.mvc.common
```
### Reason
this exception may caused by some `hot deployment` tools(`spring-boot-devtool`) or some else which may change the `classloader` in runtime.
### Resolve
1. Production environment does not appear this error because developer tools are automatically disabled,look [spring-boot-devtools](https://docs.spring.io/spring-boot/docs/current/reference/html/using-boot-devtools.html)
2. If you want to debug in your development environment normally,you should remove such `hot deployment` package in your lib path temporarily.
This exception may be caused by `hot deployment` tools (`spring-boot-devtool`) or otherwise, which changes the `classloader` in runtime.
### Resolution
1. This error does not occur under the production environment, since developer tools are automatically disabled: See [spring-boot-devtools](https://docs.spring.io/spring-boot/docs/current/reference/html/using-boot-devtools.html).
2. If you would like to debug in your development environment as usual, you should temporarily remove such `hot deployment` package in your lib path.