Expose the global direct memory counter. (#8945)
Motivation: This counter is very useful in order to monitor Netty without having every ByteBufAllocator in the JVM Modification: Expose the value of DIRECT_MEMORY_COUNTER as we are already doing for DIRECT_MEMORY_LIMIT. We are returning -1 in case that DIRECT_MEMORY_COUNTER is not available. Result: Be able to get the amount of direct memory used.
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@ -263,6 +263,16 @@ public final class PlatformDependent {
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return DIRECT_MEMORY_LIMIT;
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return DIRECT_MEMORY_LIMIT;
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}
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}
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/**
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* Returns the current memory reserved for direct buffer allocation.
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* This method returns -1 in case that a value is not available.
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*
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* @see #maxDirectMemory()
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*/
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public static long usedDirectMemory() {
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return DIRECT_MEMORY_COUNTER != null ? DIRECT_MEMORY_COUNTER.get() : -1;
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}
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/**
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/**
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* Returns the temporary directory.
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* Returns the temporary directory.
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*/
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*/
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