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fn: locked mutex while blocked on I/O considered harmful (#935)

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* fn: mutex while waiting I/O considered harmful

*) Removed hold mutex while wait I/O cases these
included possible disk I/O and network I/O.

*) Error/Context Close/Shutdown semantics changed since
the context timeout and comments were misleading. Close
always waits for pending gRPC session to complete.
Context usage here was merely 'wait up to x secs to
report an error' which only logs the error anyway.
Instead, the runner can log the error. And context
still can be passed around perhaps for future opencensus
instrumentation.
This commit is contained in:
Tolga Ceylan
2018-04-13 11:23:29 -07:00
committed by GitHub
parent 8a35c9876a
commit c0ee3ce736
8 changed files with 224 additions and 103 deletions
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6
test/fn-system-tests/system_test.go
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@@ -114,7 +114,7 @@ func SetUpAPINode(ctx context.Context) (*server.Server, error) {
opts := make([]server.ServerOption, 0)
opts = append(opts, server.WithWebPort(8085))
opts = append(opts, server.WithType(nodeType))
opts = append(opts, server.WithLogLevel(server.DefaultLogLevel))
opts = append(opts, server.WithLogLevel(getEnv(server.EnvLogLevel, server.DefaultLogLevel)))
opts = append(opts, server.WithLogDest(server.DefaultLogDest, "API"))
opts = append(opts, server.WithDBURL(getEnv(server.EnvDBURL, defaultDB)))
opts = append(opts, server.WithMQURL(getEnv(server.EnvMQURL, defaultMQ)))
@@ -129,7 +129,7 @@ func SetUpLBNode(ctx context.Context) (*server.Server, error) {
opts := make([]server.ServerOption, 0)
opts = append(opts, server.WithWebPort(8081))
opts = append(opts, server.WithType(nodeType))
opts = append(opts, server.WithLogLevel(server.DefaultLogLevel))
opts = append(opts, server.WithLogLevel(getEnv(server.EnvLogLevel, server.DefaultLogLevel)))
opts = append(opts, server.WithLogDest(server.DefaultLogDest, "LB"))
opts = append(opts, server.WithDBURL(""))
opts = append(opts, server.WithMQURL(""))
@@ -194,7 +194,7 @@ func SetUpPureRunnerNode(ctx context.Context, nodeNum int) (*server.Server, erro
opts = append(opts, server.WithWebPort(8082+nodeNum))
opts = append(opts, server.WithGRPCPort(9190+nodeNum))
opts = append(opts, server.WithType(nodeType))
opts = append(opts, server.WithLogLevel("debug"))
opts = append(opts, server.WithLogLevel(getEnv(server.EnvLogLevel, server.DefaultLogLevel)))
opts = append(opts, server.WithLogDest(server.DefaultLogDest, "PURE-RUNNER"))
opts = append(opts, server.WithDBURL(""))
opts = append(opts, server.WithMQURL(""))