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Posted to dev@zipkin.apache.org by GitBox <gi...@apache.org> on 2019/06/12 10:01:32 UTC
[GitHub] [incubator-zipkin-brave] harishkadamudi opened a new issue #923:
Zipkin issues with MariaDB Integration
harishkadamudi opened a new issue #923: Zipkin issues with MariaDB Integration
URL: https://github.com/apache/incubator-zipkin-brave/issues/923
## Describe the Bug
**Zipkin integrated with MariaDB creating duplicate Indexes**
We have Zipkin server integrated with MariaDB.
Of late, we found MariaDB is slow in responding, Calls from zipkin-UI are taking longer than usual time, we thought it could be because of data
After close investigation, we found out that, multiple indexes on table zipkin span
Indexes looks like below
trace_id_high
trace_id_high_2
trace_id_high_2
....
....
trace_id_high_15
since it is creating multiple indexes, CPU usage is very high and doing lot of IO operations, hence delaying even a simple queries.
## Steps to Reproduce
Steps to reproduce the behavior:
Below is my pom details to reproduce the Issue.
```
<zipkin.main.version>2.4.6</zipkin.main.version>
<zipkin.server.version>2.4.6</zipkin.server.version>
<spring.cloud.version>Dalston.RELEASE</spring.cloud.version>
<spring.boot.version>1.5.14.RELEASE</spring.boot.version>
<dependency>
<groupId>io.zipkin.java</groupId>
<artifactId>zipkin</artifactId>
<version>${zipkin.main.version}</version>
</dependency>
<dependency>
<groupId>io.zipkin.java</groupId>
<artifactId>zipkin-server</artifactId>
<version>${zipkin.server.version}</version>
</dependency>
<dependency>
<groupId>io.zipkin.java</groupId>
<artifactId>zipkin-autoconfigure-ui</artifactId>
<version>${zipkin.server.version}</version>
<scope>runtime</scope>
</dependency>
```
It also looks like every time we restart zipkin server indexes are growing in numbers
## Expected Behaviour
Zipkin server shouldn't create multiple/duplicate Indexes
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