Amy created HAWQ-1345:
-------------------------
Summary: Cannot connect to PSQL: FATAL: could not count blocks of
relation 1663/16508/1249: Not a directory
Key: HAWQ-1345
URL: https://issues.apache.org/jira/browse/HAWQ-1345
Project: Apache HAWQ
Issue Type: Bug
Components: Catalog
Reporter: Amy
Assignee: Ed Espino
Fix For: 3.0.0.0
Unable to connect to psql for current database.
We can access psql for template1 database but for current database we are
getting the following error:
{code}
#psql
psql: FATAL: could not count blocks of relation 1663/16508/1249: Not a directory
{code}
When trying to failover to Standby and starting HAWQ Master we get the
following error again:
{code}
2017-02-17 02:12:50.119207
PST,,,p22482,th-1681897184,,,,0,,,seg-10000,,,,,"DEBUG1","00000","opening
""pg_xlog/00000001000000050000001D"" for readin
g (log 5, seg 29)",,,,,,,0,,"xlog.c",3162,
2017-02-17 02:12:50.176450
PST,,,p22482,th-1681897184,,,,0,,,seg-10000,,,,,"FATAL","42809","could not
count blocks of relation 1663/16508/1249: Not
a directory",,,,,"xlog redo insert: rel 1663/16508/1249; tid 32682/85
REDO PASS 3 @ 5/7669B838; LSN 5/7669E480: prev 5/76694C98; xid 825193; bkpb1:
Heap - insert: rel 1663/16508/1249; tid 32682/85",,0,,"smgr.c",1146,"
Stack trace:
1 0x8c5628 postgres errstart + 0x288
2 0x7ddfbc postgres smgrnblocks + 0x3c
3 0x4fbdf8 postgres XLogReadBuffer + 0x18
4 0x4ea2c9 postgres <symbol not found> + 0x4ea2c9
5 0x4eaf47 postgres <symbol not found> + 0x4eaf47
6 0x4f8af3 postgres StartupXLOG_Pass3 + 0x153
7 0x4fb277 postgres StartupProcessMain + 0x187
8 0x557cd8 postgres AuxiliaryProcessMain + 0x478
9 0x793c40 postgres <symbol not found> + 0x793c40
10 0x798901 postgres <symbol not found> + 0x798901
11 0x79a8c9 postgres PostmasterMain + 0x759
12 0x4a4039 postgres main + 0x519
13 0x7f3b979e1d5d libc.so.6 __libc_start_main + 0xfd
14 0x4a40b9 postgres <symbol not found> + 0x4a40b9
"
{code}
On both Master and Standby, we can see that pg_attribute for current database,
file 1663/16508/1249 has reached 1GB in size:
{code}
[gpadmin@master]$pwd
/data/hawq/master
[gpadmin@master master]$ cd base
[gpadmin@master base]$ ls
1 16386 16387 16508
[gpadmin@master base]$ cd 16508
[gpadmin@master 16508]$ ls -thrl 1249
-rw------- 1 gpadmin gpadmin 1.0G Feb 16 18:24 1249
{code}
>From strace we were able to find the following:
{code}
[gpadmin@master master]$ strace /usr/local/hawq/bin/postgres --single -P -O -p
5432 -D $MASTER_DATA_DIRECTORY -c gp_session_role=utility currentdatabase <<EOF
select version();
EOF
(...)
open("base/16508/pg_internal.init", O_RDONLY) = -1 ENOENT (No such file or
directory)
open("base/16508/1259", O_RDWR) = 6
lseek(6, 0, SEEK_END) = 188645376
lseek(6, 0, SEEK_SET) = 0
read(6,
"\0\0\0\0\340\5\327\1\1\0\1\0\f\3@\3\0\200\4\2008\263P\1`\262\252\1\270\261P\1"...,
32768) = 32768
open("base/16508/1249", O_RDWR) = 8
lseek(8, 0, SEEK_END) = 1073741824
open("base/16508/1249/1", O_RDWR) = -1 ENOTDIR (Not a directory)
open("base/16508/1249/1", O_RDWR|O_CREAT, 0600) = -1 ENOTDIR (Not a directory)
futex(0x7ff80e53f620, FUTEX_WAKE_PRIVATE, 2147483647) = 0
futex(0x7ff80e756af0, FUTEX_WAKE_PRIVATE, 2147483647) = 0
open("/usr/share/locale/locale.alias", O_RDONLY) = 10
fstat(10, {st_mode=S_IFREG|0644, st_size=2512, ...}) = 0
{code}
We see HAWQ is treating pg_attribute as a directory while it is a file.
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