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Add experimental RouteSegmentedConnPool (OFFLOCK) #559

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Add experimental RouteSegmentedConnPool (OFFLOCK) #559

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Add experimental RouteSegmentedConnPool (OFFLOCK): lock-free, route-segmented, disposal off the hot path; semantics remain compatible with STRICT/LAX.

closeSleepMs routes slowClosePct policy mode count score error units defMaxPerRoute keepAliveMs maxTotal benchmark
0 1 0 LAX thrpt 5 0.673 0.021 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 1 0 OFFLOCK thrpt 5 3.568 1.295 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 1 0 STRICT thrpt 5 0.345 0.111 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 1 5 LAX thrpt 5 0.671 0.054 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 1 5 OFFLOCK thrpt 5 3.361 0.123 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 1 5 STRICT thrpt 5 0.335 0.024 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 1 20 LAX thrpt 5 0.673 0.031 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 1 20 OFFLOCK thrpt 5 3.656 0.088 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 1 20 STRICT thrpt 5 0.314 0.083 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 10 0 LAX thrpt 5 4.648 0.772 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 10 0 STRICT thrpt 5 0.359 0.043 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 10 5 LAX thrpt 5 4.716 0.163 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 10 5 STRICT thrpt 5 0.448 0.176 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 10 20 LAX thrpt 5 4.737 0.234 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 10 20 OFFLOCK thrpt 5 14.547 1.308 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
0 10 20 STRICT thrpt 5 0.366 0.059 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 1 0 LAX thrpt 5 0.688 0.015 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 1 0 OFFLOCK thrpt 5 3.408 2.28 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 1 0 STRICT thrpt 5 0.351 0.009 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 1 5 LAX thrpt 5 0.001 0.001 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 1 5 STRICT thrpt 5 0.001 0.001 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 1 20 LAX thrpt 5 ~ 10⁻⁴   ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 1 20 STRICT thrpt 5 ~ 10⁻⁴   ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 10 0 LAX thrpt 5 4.852 0.239 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 10 5 LAX thrpt 5 0.005 0.001 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 10 5 OFFLOCK thrpt 5 0.005 0.001 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 10 20 LAX thrpt 5 0.001 0.001 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed
200 10 20 OFFLOCK thrpt 5 0.001 0.001 ops/us 8 5000 32 RoutePoolsJmh.leaseReleaseMixed

@arturobernalg
Introduce experimental RouteSegmentedConnPool (OFFLOCK): lock-free, r…
aa6289c 
…oute-segmented, disposal off critical path; preserves STRICT/LAX semantics.
@arturobernalg arturobernalg requested a review from ok2c September 19, 2025 16:53
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