ES memory write race fix and performance improvement (#67) #91
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and hence improving performance.
so we need to avoid using it.
/go/src/github.com/infrawatch/sg-core/plugins/application/elasticsearch/main.go:95
/go/src/github.com/infrawatch/sg-core/pkg/bus.go:65 calls Application callbacks as a goroutine
which results in concurrency in ReceiveEvent(). I've added a mutex to protect access.
because values could be overwritten when unlocked after returning from method.
which improves performance of the elasticsearch app plugin. It also adds mechanism
to flush index buffer in case of remnants of some batch messages are kept
for longer time.
(plugin is available in appstream)
(cherry picked from commit 7d46ba5)