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chpengzh avatar chpengzh commented on July 26, 2024

RegistryDataSync.subscribe may only be invoke once while ContextRefreshEvent happened, no more PathChildrenCache will be created since then.

You can use method below for simple detection:

    1. Run SofaAdminServerApplication and find pid
    1. Find all PathChildrenCache instance by jmap
jmap -histo <pid> | grep PathChildrenCache
1327:             4            288  org.apache.curator.framework.recipes.cache.PathChildrenCache
 849:            36            864  org.apache.curator.framework.recipes.cache.PathChildrenCache$9
1074:            20            480  org.apache.curator.framework.recipes.cache.PathChildrenCache$5
1075:            20            480  org.apache.curator.framework.recipes.cache.PathChildrenCacheEvent
1175:            16            384  org.apache.curator.framework.recipes.cache.PathChildrenCache$4
1235:            14            336  org.apache.curator.framework.recipes.cache.PathChildrenCache$6
    1. Run some rpc providers/consumers
    1. redo 2
    1. Shutdown providers/consumers
    1. redo 2

If no more PathChildrenCache is generated, there might be no such memory leak.

from sofa-dashboard.

OrezzerO avatar OrezzerO commented on July 26, 2024

@chpengzh Thank you for replay . You are right, CHILD_ADDED event can only be triggerd once.

from sofa-dashboard.

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