68353
fincore before:
RES PAGES  SIZE FILE
 0B     0  534M /data/pgdata/base/16385/17340
bufcache before: 0
fincore after cold query:
  RES  PAGES  SIZE FILE
 534M 136706  534M /data/pgdata/base/16385/17340
bufcache after cold query: 68138
strace backend=39111 relfilenode=17340
openat of index relfile:
1
mmap calls (all):
206
mmap with fd (not MAP_ANONYMOUS):
4
pread64 calls:
69177
preadv calls:
0
io_uring_enter:
0
big anon mmaps (>=64MB):
39111 19:39:49.926417 mmap(NULL, 512004096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16ec7b7000
39111 19:39:52.037085 mmap(NULL, 18878464, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16e9ed0000
39152 19:39:52.076405 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16e3000000
39153 19:39:52.076506 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16dc000000
39155 19:39:52.076736 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16d4000000
39157 19:39:52.077047 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16cc000000
39159 19:39:52.077435 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16c4000000
39161 19:39:52.077815 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16bc000000
39163 19:39:52.078147 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
39165 19:39:52.078538 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
39167 19:39:52.078898 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16a4000000
39169 19:39:52.079267 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
39171 19:39:52.079640 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
39173 19:39:52.079999 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
39175 19:39:52.080350 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1684000000
39177 19:39:52.080690 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
39179 19:39:52.081095 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
39181 19:39:52.081481 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
39183 19:39:52.081847 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
39185 19:39:52.082243 mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
68353
after pg_prewarm(index): bufcache 68353
  RES  PAGES  SIZE FILE
 534M 136706  534M /data/pgdata/base/16385/17340
1000016|5200|68353
