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Spring cleaning #28

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hlinnaka opened this issue Mar 29, 2021 · 2 comments
Closed

Spring cleaning #28

hlinnaka opened this issue Mar 29, 2021 · 2 comments
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@hlinnaka

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@hlinnaka
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Go through the repos and "git rm" obsolete stuff:

  • Is contrib/zenith_store/memstore.* still needed? We have the Rust pageserver now.
  • Which of the programs in src/bin/zenith_* are still needed?

Update all the READMEs
@hlinnaka hlinnaka self-assigned this Apr 5, 2021
@kelvich kelvich transferred this issue from neondatabase/postgres Apr 15, 2021
@kelvich
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kelvich commented May 10, 2021

Looks like that is generally done.

@kelvich kelvich closed this as completed May 10, 2021
@hlinnaka
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Yeah. Although it's probably time for a new one already :-). We should be tidy continuously, really.

problame added a commit that referenced this issue Jan 14, 2025
@problame
try to repro root cause hypothesis for #10309
9a02bc0 
This approach here doesn't work because it slows down all the responses.

the workload() thread gets stuck in auth, prob with zero pipeline depth

  0x00007fa28fe48e63 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
  (gdb) bt
  #0  0x00007fa28fe48e63 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
  #1  0x0000561a285bf44e in WaitEventSetWaitBlock (set=0x561a292723e8, cur_timeout=9999, occurred_events=0x7ffd1f11c970, nevents=1)
      at /home/christian/src/neon//vendor/postgres-v16/src/backend/storage/ipc/latch.c:1535
  #2  0x0000561a285bf338 in WaitEventSetWait (set=0x561a292723e8, timeout=9999, occurred_events=0x7ffd1f11c970, nevents=1, wait_event_info=117440512)
      at /home/christian/src/neon//vendor/postgres-v16/src/backend/storage/ipc/latch.c:1481
  #3  0x00007fa2904a7345 in call_PQgetCopyData (shard_no=0, buffer=0x7ffd1f11cad0) at /home/christian/src/neon//pgxn/neon/libpagestore.c:703
  #4  0x00007fa2904a7aec in pageserver_receive (shard_no=0) at /home/christian/src/neon//pgxn/neon/libpagestore.c:899
  #5  0x00007fa2904af471 in prefetch_read (slot=0x561a292863b0) at /home/christian/src/neon//pgxn/neon/pagestore_smgr.c:644
  #6  0x00007fa2904af26b in prefetch_wait_for (ring_index=0) at /home/christian/src/neon//pgxn/neon/pagestore_smgr.c:596
  #7  0x00007fa2904b489d in neon_read_at_lsnv (rinfo=..., forkNum=MAIN_FORKNUM, base_blockno=0, request_lsns=0x7ffd1f11cd60, buffers=0x7ffd1f11cd30, nblocks=1, mask=0x0)
      at /home/christian/src/neon//pgxn/neon/pagestore_smgr.c:3024
  #8  0x00007fa2904b4f34 in neon_read_at_lsn (rinfo=..., forkNum=MAIN_FORKNUM, blkno=0, request_lsns=..., buffer=0x7fa28b969000) at /home/christian/src/neon//pgxn/neon/pagestore_smgr.c:3104
  #9  0x00007fa2904b515d in neon_read (reln=0x561a292ef448, forkNum=MAIN_FORKNUM, blkno=0, buffer=0x7fa28b969000) at /home/christian/src/neon//pgxn/neon/pagestore_smgr.c:3146
  #10 0x0000561a285f1ed5 in smgrread (reln=0x561a292ef448, forknum=MAIN_FORKNUM, blocknum=0, buffer=0x7fa28b969000) at /home/christian/src/neon//vendor/postgres-v16/src/backend/storage/smgr/smgr.c:567
  #11 0x0000561a285a528a in ReadBuffer_common (smgr=0x561a292ef448, relpersistence=112 'p', forkNum=MAIN_FORKNUM, blockNum=0, mode=RBM_NORMAL, strategy=0x0, hit=0x7ffd1f11cf1b)
      at /home/christian/src/neon//vendor/postgres-v16/src/backend/storage/buffer/bufmgr.c:1134
  #12 0x0000561a285a47e3 in ReadBufferExtended (reln=0x7fa28ce1c888, forkNum=MAIN_FORKNUM, blockNum=0, mode=RBM_NORMAL, strategy=0x0)
      at /home/christian/src/neon//vendor/postgres-v16/src/backend/storage/buffer/bufmgr.c:781
  #13 0x0000561a285a46ad in ReadBuffer (reln=0x7fa28ce1c888, blockNum=0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/storage/buffer/bufmgr.c:715
  #14 0x0000561a2811d511 in _bt_getbuf (rel=0x7fa28ce1c888, blkno=0, access=1) at /home/christian/src/neon//vendor/postgres-v16/src/backend/access/nbtree/nbtpage.c:852
  #15 0x0000561a2811d1b2 in _bt_metaversion (rel=0x7fa28ce1c888, heapkeyspace=0x7ffd1f11d9f0, allequalimage=0x7ffd1f11d9f1) at /home/christian/src/neon//vendor/postgres-v16/src/backend/access/nbtree/nbtpage.c:747
  #16 0x0000561a28126220 in _bt_first (scan=0x561a292d0348, dir=ForwardScanDirection) at /home/christian/src/neon//vendor/postgres-v16/src/backend/access/nbtree/nbtsearch.c:1465
  #17 0x0000561a28121a07 in btgettuple (scan=0x561a292d0348, dir=ForwardScanDirection) at /home/christian/src/neon//vendor/postgres-v16/src/backend/access/nbtree/nbtree.c:246
  #18 0x0000561a28111afa in index_getnext_tid (scan=0x561a292d0348, direction=ForwardScanDirection) at /home/christian/src/neon//vendor/postgres-v16/src/backend/access/index/indexam.c:583
  #19 0x0000561a28111d14 in index_getnext_slot (scan=0x561a292d0348, direction=ForwardScanDirection, slot=0x561a292d01a8) at /home/christian/src/neon//vendor/postgres-v16/src/backend/access/index/indexam.c:675
  #20 0x0000561a2810fbcc in systable_getnext (sysscan=0x561a292d0158) at /home/christian/src/neon//vendor/postgres-v16/src/backend/access/index/genam.c:512
  #21 0x0000561a287a1ee1 in SearchCatCacheMiss (cache=0x561a292a0f80, nkeys=1, hashValue=3028463561, hashIndex=1, v1=94670359561576, v2=0, v3=0, v4=0)
      at /home/christian/src/neon//vendor/postgres-v16/src/backend/utils/cache/catcache.c:1440
  #22 0x0000561a287a1d8a in SearchCatCacheInternal (cache=0x561a292a0f80, nkeys=1, v1=94670359561576, v2=0, v3=0, v4=0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/utils/cache/catcache.c:1360
  #23 0x0000561a287a1a4f in SearchCatCache (cache=0x561a292a0f80, v1=94670359561576, v2=0, v3=0, v4=0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/utils/cache/catcache.c:1214
  #24 0x0000561a287be060 in SearchSysCache (cacheId=10, key1=94670359561576, key2=0, key3=0, key4=0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/utils/cache/syscache.c:817
  #25 0x0000561a287be66f in GetSysCacheOid (cacheId=10, oidcol=1, key1=94670359561576, key2=0, key3=0, key4=0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/utils/cache/syscache.c:1055
  #26 0x0000561a286319a5 in get_role_oid (rolname=0x561a29270568 "cloud_admin", missing_ok=true) at /home/christian/src/neon//vendor/postgres-v16/src/backend/utils/adt/acl.c:5251
  #27 0x0000561a283d42ca in check_hba (port=0x561a29268de0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/libpq/hba.c:2493
  #28 0x0000561a283d5537 in hba_getauthmethod (port=0x561a29268de0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/libpq/hba.c:3067
  #29 0x0000561a283c6fd7 in ClientAuthentication (port=0x561a29268de0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/libpq/auth.c:395
  #30 0x0000561a287dc943 in PerformAuthentication (port=0x561a29268de0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/utils/init/postinit.c:247
  #31 0x0000561a287dd9cd in InitPostgres (in_dbname=0x561a29270588 "postgres", dboid=0, username=0x561a29270568 "cloud_admin", useroid=0, load_session_libraries=true, override_allow_connections=false,
      out_dbname=0x0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/utils/init/postinit.c:929
  #32 0x0000561a285fa10b in PostgresMain (dbname=0x561a29270588 "postgres", username=0x561a29270568 "cloud_admin") at /home/christian/src/neon//vendor/postgres-v16/src/backend/tcop/postgres.c:4293
  #33 0x0000561a28524ce4 in BackendRun (port=0x561a29268de0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/postmaster/postmaster.c:4465
  #34 0x0000561a285245da in BackendStartup (port=0x561a29268de0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/postmaster/postmaster.c:4193
  #35 0x0000561a285209c4 in ServerLoop () at /home/christian/src/neon//vendor/postgres-v16/src/backend/postmaster/postmaster.c:1782
  #36 0x0000561a2852030f in PostmasterMain (argc=3, argv=0x561a291c5fc0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/postmaster/postmaster.c:1466
  #37 0x0000561a283dd987 in main (argc=3, argv=0x561a291c5fc0) at /home/christian/src/neon//vendor/postgres-v16/src/backend/main/main.c:238
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@hlinnaka @kelvich