Package org.apache.kafka.clients.producer.internals

Examples of org.apache.kafka.clients.producer.internals.BufferPool.deallocate()

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        assertEquals("Buffer size should equal requested size.", size, buffer.limit());
        assertEquals("Unallocated memory should have shrunk", totalMemory - size, pool.unallocatedMemory());
        assertEquals("Available memory should have shrunk", totalMemory - size, pool.availableMemory());
        buffer.putInt(1);
        buffer.flip();
        pool.deallocate(buffer);
        assertEquals("All memory should be available", totalMemory, pool.availableMemory());
        assertEquals("But now some is on the free list", totalMemory - size, pool.unallocatedMemory());
        buffer = pool.allocate(size);
        assertEquals("Recycled buffer should be cleared.", 0, buffer.position());
        assertEquals("Recycled buffer should be cleared.", buffer.capacity(), buffer.limit());
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        assertEquals("All memory should be available", totalMemory, pool.availableMemory());
        assertEquals("But now some is on the free list", totalMemory - size, pool.unallocatedMemory());
        buffer = pool.allocate(size);
        assertEquals("Recycled buffer should be cleared.", 0, buffer.position());
        assertEquals("Recycled buffer should be cleared.", buffer.capacity(), buffer.limit());
        pool.deallocate(buffer);
        assertEquals("All memory should be available", totalMemory, pool.availableMemory());
        assertEquals("Still a single buffer on the free list", totalMemory - size, pool.unallocatedMemory());
        buffer = pool.allocate(2 * size);
        pool.deallocate(buffer);
        assertEquals("All memory should be available", totalMemory, pool.availableMemory());
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        assertEquals("Recycled buffer should be cleared.", buffer.capacity(), buffer.limit());
        pool.deallocate(buffer);
        assertEquals("All memory should be available", totalMemory, pool.availableMemory());
        assertEquals("Still a single buffer on the free list", totalMemory - size, pool.unallocatedMemory());
        buffer = pool.allocate(2 * size);
        pool.deallocate(buffer);
        assertEquals("All memory should be available", totalMemory, pool.availableMemory());
        assertEquals("Non-standard size didn't go to the free list.", totalMemory - size, pool.unallocatedMemory());
    }

    /**
 
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    @Test(expected = IllegalArgumentException.class)
    public void testCantAllocateMoreMemoryThanWeHave() throws Exception {
        BufferPool pool = new BufferPool(1024, 512, true, metrics, time);
        ByteBuffer buffer = pool.allocate(1024);
        assertEquals(1024, buffer.limit());
        pool.deallocate(buffer);
        buffer = pool.allocate(1025);
    }

    @Test
    public void testNonblockingMode() throws Exception {
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