drop in ops and failures in readd2 with sherlock

Phase timings for CHANGE
Ops/Sec: 2493
[247823] OK: 189524, ERR: 57472

{[OK]: 189524, [SDK:0xa]: 27481, [SDK:0x23]: 9233, [MEMD:MEMD_ENOENT]: 827, [MEMD:GENERIC]: 20758}

MIN: 0, MAX: 219, AVG: 0

Phase timings for REBOUND
Ops/Sec: 2713
[299263] OK: 244219, ERR: 52449

{[OK]: 244219, [SDK:0xa]: 30051, [MEMD:MEMD_ENOENT]: 2595, [MEMD:GENERIC]: 22398}

MIN: 0, MAX: 51, AVG: 0

REBOUND (1/3)
Ops/Sec: 2623
[97051] OK: 78703, ERR: 16998

{[OK]: 78703, [SDK:0xa]: 9742, [MEMD:MEMD_ENOENT]: 1350, [MEMD:GENERIC]: 7256}

MIN: 0, MAX: 51, AVG: 0

REBOUND (2/3)
Ops/Sec: 2644
[97667] OK: 79332, ERR: 17125

{[OK]: 79332, [SDK:0xa]: 9809, [MEMD:MEMD_ENOENT]: 1210, [MEMD:GENERIC]: 7316}

MIN: 0, MAX: 44, AVG: 0

REBOUND (3/3)
Ops/Sec: 2692
[97932] OK: 80760, ERR: 17172

{[OK]: 80760, [SDK:0xa]: 9840, [MEMD:GENERIC]: 7332}