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  1. MariaDB Server
  2. MDEV-14638

Replace trx_sys_t::rw_trx_set with LF_HASH

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      Description

      trx_sys_t::rw_trx_set implemented as std::set, which does a few quite expensive operations under trx_sys_t::mutex protection. E.g. malloc/free when adding/removing elements.

      Aim of this task is to reduce trx_sys_t::mutex contention by replacing rw_trx_set with LF_HASH.

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              Assignee:
              svoj Sergey Vojtovich
              Reporter:
              svoj Sergey Vojtovich
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