[CASSANDRA-20167][5.0][Subset] Reduce memory allocations in miscellaneous places along write path #3784
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Avoid objects allocations used only in rarely invoked logic branches. Memorize things which can be computed once. Avoid unnecessary iterators for the write hot path. Do not recreate immutable objects with the same content. Patch by Dmitry Konstantinov; reviewed by Chris Lohfink, Michael Semb Wever for CASSANDRA-20167
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Reduce memory allocation for write hot path.
Avoid objects allocations used only in rarely invoked logic branches. Memorize things which can be computed once. Avoid unnecessary iterators for the write hot path. Do not recreate immutable objects with the same content.
Patch by Dmitry Konstantinov; reviewed by Chris Lohfink, Michael Semb Wever for CASSANDRA-20167