Re: High locking contention during repack?

>
> Jeff,
>
> Thank you for the advice, I will reduce the depth.
>
> Running "git pack-objects --all --no-reuse-delta --delta-base-offset --stdout </dev/null >/dev/null", it got to 99% fairly quickly, now it has 5 threads running (using 99.9% CPU), but the "dstat 5" still shows lots of nothing, with some heavy system activity:
>
> --total-cpu-usage-- -dsk/total- -net/total- ---paging-- ---system--
> usr sys idl wai stl| read  writ| recv  send|  in   out | int   csw
>   1   8  91   0   0| 166k  224k|   0     0 |   0     0 |6892   970
>   0  13  87   0   0|   0     0 | 333B 1758B|   0     0 |2285  1374
>   0  13  87   0   0|   0     0 | 309B 1190B|   0     0 |2233  1265
>   0  13  87   0   0|   0     0 | 282B 1053B|   0     0 |2174  1239
>   0  13  87   0   0|   0     0 | 278B 1251B|   0     0 |1930  1173
>   0  13  87   0   0|   0     0 | 274B  942B|   0     0 |1987  1139
>   0  13  87   0   0|   0     0 | 264B 1168B|   0     0 |1928  1205
>   0  13  87   0   0|   0     0 | 388B 2435B|   0     0 |2245  1280
>   0  13  87   0   0|   0     0 | 268B 1145B|   0     0 |2225  1221
>   0  13  87   0   0|   0     0 | 164B  732B|   0     0 |2607  1333
>   0  13  87   0   0|   0     0 | 156B  996B|   0     0 |2100  1270
>   0  13  87   0   0|   0     0 | 206B 1019B|   0     0 |2192  1296
>   0  13  87   0   0|   0     0 | 198B  824B|   0     0 |2019  1236
>   0  13  87   0   0|   0     0 | 245B  435B|   0     0 |1974  1195
>   0  13  87   0   0|   0     0 | 252B  855B|   0     0 |1852  1166
>   0  13  87   0   0|   0     0 | 230B  758B|   0     0 |2066  1299
>   0  13  87   0   0|   0     0 | 284B  925B|   0     0 |1860  1225
>   0  13  87   0   0|   0     0 | 289B 2682B|   0     0 |1796  1197
>   0  13  87   0   0|   0     0 | 939B 1263B|   0     0 |1913  1304
>   0  13  87   0   0|   0     0 |1212B 1366B|   0     0 |1915  1343
>
> I will try running the command under the debugger and stop it when it gets to this point and poke around.