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georgehao 2025-04-09 14:28:47 +08:00
parent 7487fda0ab
commit 03e7d8d346
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5
internal/debug/api.go
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@ -239,9 +239,12 @@ func (*HandlerT) SetGCPercent(v int) int {
// SetMemoryLimit sets the GOMEMLIMIT for the process. It returns the previous limit. // SetMemoryLimit sets the GOMEMLIMIT for the process. It returns the previous limit.
// Note: // Note:
// - Geth also allocates memory off-heap, particularly for fastCache and Pebble, which can be non-trivial (a few gigabytes by default). // - The input limit is provided as bytes, and includes all memory mapped, managed, and not released by the Go runtime.
// - A zero limit or a limit that's lower than the amount of memory used by the Go runtime may cause the garbage collector to runnearly continuously. However, the application may still make progress.
// - Setting the limit too low will cause Geth to become unresponsive. // - Setting the limit too low will cause Geth to become unresponsive.
// - Geth also allocates memory off-heap, particularly for fastCache and Pebble, which can be non-trivial (a few gigabytes by default).
func (*HandlerT) SetMemoryLimit(limit int64) int64 { func (*HandlerT) SetMemoryLimit(limit int64) int64 {
log.Info("Setting memory limit", "limit(MB)", limit/1024/1024)
return debug.SetMemoryLimit(limit) return debug.SetMemoryLimit(limit)
} }