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1a5378b64b
* Increase the OOM risk in exchange of less idle CPU usage * Read the interval from an environment variable named `CLOSE_TIMEDOUT_TCP_STREAM_CHANNELS_INTERVAL_MS` * Log the `getCloseTimedoutTcpChannelsInterval` return value
49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
package tap
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import (
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"os"
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"strconv"
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"time"
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)
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const (
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MemoryProfilingEnabledEnvVarName = "MEMORY_PROFILING_ENABLED"
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MemoryProfilingDumpPath = "MEMORY_PROFILING_DUMP_PATH"
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MemoryProfilingTimeIntervalSeconds = "MEMORY_PROFILING_TIME_INTERVAL"
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MaxBufferedPagesTotalEnvVarName = "MAX_BUFFERED_PAGES_TOTAL"
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MaxBufferedPagesPerConnectionEnvVarName = "MAX_BUFFERED_PAGES_PER_CONNECTION"
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TcpStreamChannelTimeoutMsEnvVarName = "TCP_STREAM_CHANNEL_TIMEOUT_MS"
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CloseTimedoutTcpChannelsIntervalMsEnvVar = "CLOSE_TIMEDOUT_TCP_STREAM_CHANNELS_INTERVAL_MS"
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MaxBufferedPagesTotalDefaultValue = 5000
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MaxBufferedPagesPerConnectionDefaultValue = 5000
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TcpStreamChannelTimeoutMsDefaultValue = 10000
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)
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func GetMaxBufferedPagesTotal() int {
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valueFromEnv, err := strconv.Atoi(os.Getenv(MaxBufferedPagesTotalEnvVarName))
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if err != nil {
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return MaxBufferedPagesTotalDefaultValue
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}
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return valueFromEnv
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}
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func GetMaxBufferedPagesPerConnection() int {
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valueFromEnv, err := strconv.Atoi(os.Getenv(MaxBufferedPagesPerConnectionEnvVarName))
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if err != nil {
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return MaxBufferedPagesPerConnectionDefaultValue
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}
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return valueFromEnv
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}
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func GetTcpChannelTimeoutMs() time.Duration {
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valueFromEnv, err := strconv.Atoi(os.Getenv(TcpStreamChannelTimeoutMsEnvVarName))
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if err != nil {
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return TcpStreamChannelTimeoutMsDefaultValue * time.Millisecond
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}
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return time.Duration(valueFromEnv) * time.Millisecond
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}
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func GetMemoryProfilingEnabled() bool {
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return os.Getenv(MemoryProfilingEnabledEnvVarName) == "1"
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}
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