50 lines
1.8 KiB
Markdown
50 lines
1.8 KiB
Markdown
# Backend storage
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SkyWalking storage is pluggable, we have provided the following storage solutions, you could easily
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use is by changing the `application.yml`
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- [**H2**](#h2)
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- [**ElasticSearch 6**](#elasticsearch-6)
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## H2
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Active H2 as storage, set storage provider to **H2** In-Memory Databases. Default in distribution package.
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Please read `Database URL Overview` in [H2 official document](http://www.h2database.com/html/features.html),
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you could set the target to H2 in **Embedded**, **Server** and **Mixed** modes.
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Setting fragment example
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```yaml
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storage:
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h2:
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driver: org.h2.jdbcx.JdbcDataSource
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url: jdbc:h2:mem:skywalking-oap-db
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user: sa
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```
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## ElasticSearch 6
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Active ElasticSearch 6 as storage, set storage provider to **elasticsearch**.
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> Required ElasticSearch 6.3.0 or higher.
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Setting fragment example
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```yaml
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storage:
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elasticsearch:
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clusterNodes: localhost:9200
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indexShardsNumber: 2
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indexReplicasNumber: 0
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# Batch process setting, refer to https://www.elastic.co/guide/en/elasticsearch/client/java-api/5.5/java-docs-bulk-processor.html
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bulkActions: 2000 # Execute the bulk every 2000 requests
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bulkSize: 20 # flush the bulk every 20mb
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flushInterval: 10 # flush the bulk every 10 seconds whatever the number of requests
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concurrentRequests: 2 # the number of concurrent requests
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# Set a timeout on metric data. After the timeout has expired, the metric data will automatically be deleted.
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traceDataTTL: 90 # Unit is minute
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minuteMetricDataTTL: 90 # Unit is minute
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hourMetricDataTTL: 36 # Unit is hour
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dayMetricDataTTL: 45 # Unit is day
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monthMetricDataTTL: 18 # Unit is month
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```
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## More storage solution extension
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Follow [Storage extension development guide](../../guides/storage-extention.md)
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in [Project Extensions document](../../guides/README.md#project-extensions) in development guide. |