PERF-7326 add sharded support

[blagoev]

This integrates sharded mongodb driver support changes.

For non sharded code here is a patch run

For sharded changes I have manually verified that sharded data is distributed correctly and test are able to run with a 5sec test.

MongoDB Enterprise mongos> db.getSiblingDB("tpcc").ORDERS.getShardDistribution()

Shard rs0 at rs0/10.2.1.119:27018,10.2.1.238:27018,10.2.5.14:27018
 data : 319.22MiB docs : 213490 chunks : 1
 estimated data per chunk : 319.22MiB
 estimated docs per chunk : 213490

Shard rs1 at rs1/10.2.2.225:27018,10.2.5.11:27018,10.2.5.211:27018
 data : 319.59MiB docs : 213557 chunks : 1
 estimated data per chunk : 319.59MiB
 estimated docs per chunk : 213557

Shard config at config/10.2.4.227:27018,10.2.5.181:27018,10.2.7.88:27018
 data : 319.02MiB docs : 213635 chunks : 1
 estimated data per chunk : 319.02MiB
 estimated docs per chunk : 213635

Totals
 data : 957.84MiB docs : 640682 chunks : 3
 Shard rs0 contains 33.32% data, 33.32% docs in cluster, avg obj size on shard : 1KiB
 Shard rs1 contains 33.36% data, 33.33% docs in cluster, avg obj size on shard : 1KiB
 Shard config contains 33.3% data, 33.34% docs in cluster, avg obj size on shard : 1KiB

2025-10-09 10:19:14,939 [<module>:352] INFO : Final Results
2025-10-09 10:19:14,939 [<module>:353] INFO : Threads: 100
{'PAYMENT': 2791, 'NEW_ORDER': 2793, 'DELIVERY': 256, 'STOCK_LEVEL': 266, 'ORDER_STATUS': 249}
{'DELIVERY': {'latency': {'min': 33.447980880737305, 'max': 677.8640747070312, 'p50': 91.43757820129395, 'p75': 119.52018737792969, 'p90': 185.97674369812012, 'p95': 362.3852729797363, 'p99': 396.35324478149414}, 'total': 256, 'retries': {'retries_ops': {'1': 37, '0': 206, '2': 11, '3': 2}, 'retries_txn_total': 65, 'retries_total_ops': 50}}, 'NEW_ORDER': {'latency': {'min': 10.83683967590332, 'max': 1049.6234893798828, 'p50': 27.6339054107666, 'p75': 35.21728515625, 'p90': 120.33653259277344, 'p95': 130.72776794433594, 'p99': 333.0719470977783}, 'total': 2793, 'retries': {'retries_ops': {'0': 2553, '1': 227, '2': 36, '4': 1, '3': 3}, 'retries_txn_total': 377, 'retries_total_ops': 267}}, 'ORDER_STATUS': {'latency': {'min': 6.7577362060546875, 'max': 119.46320533752441, 'p50': 13.758182525634766, 'p75': 16.608476638793945, 'p90': 21.6066837310791, 'p95': 25.705337524414062, 'p99': 79.45466041564941}, 'total': 249}, 'PAYMENT': {'latency': {'min': 6.632566452026367, 'max': 2921.9937324523926, 'p50': 22.613048553466797, 'p75': 124.43685531616211, 'p90': 333.2977294921875, 'p95': 637.9497051239014, 'p99': 1057.8768253326416}, 'total': 2791, 'retries': {'retries_ops': {'1': 613, '0': 1760, '2': 235, '4': 44, '3': 120, '6': 4, '5': 12, '7': 3}, 'retries_txn_total': 2101, 'retries_total_ops': 1031}}, 'STOCK_LEVEL': {'latency': {'min': 5.744218826293945, 'max': 51.169633865356445, 'p50': 10.51473617553711, 'p75': 12.638330459594727, 'p90': 15.496492385864258, 'p95': 17.209529876708984, 'p99': 36.26656532287598}, 'total': 266}, 'tpmc': 33241.40657279722, 'denorm': True, 'duration': 5.041302919387817, 'warehouses': 21, 'date': '2025-10-09 10:19:14', 'threads': 100, 'txn': True, 'batch_writes': True, 'find_and_modify': True, 'read_preference': 'nearest', 'write_concern': '1', 'causal': True, 'no_global_items': False, 'all_in_one_txn': True, 'retry_writes': True, 'read_concern': 'majority', 'shards': 3, 'total_retries': 2101, 'samewh': 85, 'total': 6355, 'aborts': 27, 'instance': None}
2025-10-09 10:19:14,981 [<module>:354] INFO :
========================================================================================================================================================================================================
Execution Results after 5 seconds
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                  Complete        Time (µs)       Percentage      Retries         minLatMs        p50             p75             p90             p95             p99             maxLatMs        Aborts
  DELIVERY        256                30.739        4.03           50,65           33.45            91.44          119.52          185.98          362.39          396.35          677.86          0
  NEW_ORDER       2793              120.726       43.95           267,312         10.84            27.63           35.22          120.34          130.73          333.07          1049.62         27
  ORDER_STATUS    249                 3.906        3.92           0,0              6.76            13.76           16.61           21.61           25.71           79.45          119.46          0
  PAYMENT         2791              351.607       43.92           1031,1724        6.63            22.61          124.44          333.30          637.95          1057.88         2921.99         0
  STOCK_LEVEL     266                 3.066        4.19           0,0              5.74            10.51           12.64           15.50           17.21           36.27           51.17          0
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  TOTAL           6355                 510.044
2025-10-09 10:19:14 TpmC for denorm 100 thr with txn 21 WH: 33241 2793 total 5 durSec, batch on 2101 retries 33.06% with fnM nearest p50  27.63 p75  35.22 p90 120.34 p95 130.73 p99 333.07 max 1049.62 WC WriteConcern(w=1) causal true 10in1 true retry true 6355 27 correct 85 noGlobalItems false

[miguelangelnieto]

Please, share a patch test that shows it working on sharding and regular replica set.

[blagoev]

@miguelangelnieto I have updated the PR description with your request.