netty Architecture Docs
Home / Function/ testThreadCacheToArenaMappings() — netty Function Reference

testThreadCacheToArenaMappings() — netty Function Reference

Architecture documentation for the testThreadCacheToArenaMappings() function in PooledByteBufAllocatorTest.java from the netty codebase.

Function java Buffer Telemetry calls 1

Entity Profile

Dependency Diagram

graph TD
  090147f2_9b49_3e91_8292_0573347d4f1b["testThreadCacheToArenaMappings()"]
  f8855572_2abf_1bf6_a32b_5cf6d1cf4947["PooledByteBufAllocatorTest"]
  090147f2_9b49_3e91_8292_0573347d4f1b -->|defined in| f8855572_2abf_1bf6_a32b_5cf6d1cf4947
  4e681469_9c14_67cb_5890_46b5d4b12dd2["PooledByteBufAllocator()"]
  090147f2_9b49_3e91_8292_0573347d4f1b -->|calls| 4e681469_9c14_67cb_5890_46b5d4b12dd2
  style 090147f2_9b49_3e91_8292_0573347d4f1b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/test/java/io/netty/buffer/PooledByteBufAllocatorTest.java lines 466–505

    @Test
    @Timeout(value = 3000, unit = MILLISECONDS)
    public void testThreadCacheToArenaMappings() throws InterruptedException {
        int numArenas = 2;
        final PooledByteBufAllocator allocator =
            new PooledByteBufAllocator(numArenas, numArenas, 8192, 1);

        ThreadCache tcache0 = createNewThreadCache(allocator, false);
        ThreadCache tcache1 = createNewThreadCache(allocator, false);
        assertEquals(2, allocator.metric().numThreadLocalCaches());
        assertEquals(1, allocator.metric().heapArenas().get(0).numThreadCaches());
        assertEquals(1, allocator.metric().heapArenas().get(1).numThreadCaches());
        assertEquals(1, allocator.metric().directArenas().get(0).numThreadCaches());
        assertEquals(1, allocator.metric().directArenas().get(0).numThreadCaches());

        tcache1.destroy();

        assertEquals(1, allocator.metric().numThreadLocalCaches());
        assertEquals(1, allocator.metric().heapArenas().get(0).numThreadCaches());
        assertEquals(0, allocator.metric().heapArenas().get(1).numThreadCaches());
        assertEquals(1, allocator.metric().directArenas().get(0).numThreadCaches());
        assertEquals(0, allocator.metric().directArenas().get(1).numThreadCaches());

        ThreadCache tcache2 = createNewThreadCache(allocator, false);
        assertEquals(2, allocator.metric().numThreadLocalCaches());
        assertEquals(1, allocator.metric().heapArenas().get(0).numThreadCaches());
        assertEquals(1, allocator.metric().heapArenas().get(1).numThreadCaches());
        assertEquals(1, allocator.metric().directArenas().get(0).numThreadCaches());
        assertEquals(1, allocator.metric().directArenas().get(1).numThreadCaches());

        tcache0.destroy();
        assertEquals(1, allocator.metric().numThreadLocalCaches());

        tcache2.destroy();
        assertEquals(0, allocator.metric().numThreadLocalCaches());
        assertEquals(0, allocator.metric().heapArenas().get(0).numThreadCaches());
        assertEquals(0, allocator.metric().heapArenas().get(1).numThreadCaches());
        assertEquals(0, allocator.metric().directArenas().get(0).numThreadCaches());
        assertEquals(0, allocator.metric().directArenas().get(1).numThreadCaches());
    }

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does testThreadCacheToArenaMappings() do?
testThreadCacheToArenaMappings() is a function in the netty codebase, defined in buffer/src/test/java/io/netty/buffer/PooledByteBufAllocatorTest.java.
Where is testThreadCacheToArenaMappings() defined?
testThreadCacheToArenaMappings() is defined in buffer/src/test/java/io/netty/buffer/PooledByteBufAllocatorTest.java at line 466.
What does testThreadCacheToArenaMappings() call?
testThreadCacheToArenaMappings() calls 1 function(s): PooledByteBufAllocator.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free