Scott Mitchell 86e653e04f SslHandler aggregation of plaintext data on write ... Motivation: Each call to SSL_write may introduce about ~100 bytes of overhead. The OpenSslEngine (based upon OpenSSL) is not able to do gathering writes so this means each wrap operation will incur the ~100 byte overhead. This commit attempts to increase goodput by aggregating the plaintext in chunks of <a href="https://tools.ietf.org/html/rfc5246#section-6.2">2^14</a>. If many small chunks are written this can increase goodput, decrease the amount of calls to SSL_write, and decrease overall encryption operations. Modifications: - Introduce SslHandlerCoalescingBufferQueue in SslHandler which will aggregate up to 2^14 chunks of plaintext by default - Introduce SslHandler#setWrapDataSize to control how much data should be aggregated for each write. Aggregation can be disabled by setting this value to <= 0. Result: Better goodput when using SslHandler and the OpenSslEngine.		2017-07-10 12:22:08 -07:00
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io/netty/handler	SslHandler aggregation of plaintext data on write	2017-07-10 12:22:08 -07:00