Database corruption help - Mailing list pgsql-hackers
| From | John Lister |
|---|---|
| Subject | Database corruption help |
| Date | |
| Msg-id | 49952D33.3000707@kickstone.com Whole thread Raw |
| In response to | Re: [ADMIN] database corruption help (Tom Lane <tgl@sss.pgh.pa.us>) |
| Responses |
Re: Database corruption help
Re: Database corruption help Re: Database corruption help |
| List | pgsql-hackers |
Originally in psql-admin, but copied here at the request of Tom to.. Story so far, transaction log archiving went wrong causing the transaction log disk to fill up. Foolishly i deleted the unarchived transaction logs (early monday morning) which required a pg_resetxlog to get the db up and running again. Since then we've had some minor db corruption which has been fixed (mainly duplicate primary keys) except for the pg_class table. If i do a vacuum full on pg_class i get something like this: INFO: vacuuming "pg_catalog.pg_class"INFO: "pg_class": found 37 removable, 1845 nonremovable row versions in 18905 pages DETAIL: 27 dead row versions cannot be removed yet. Nonremovable row versions range from 160 to 229 bytes long. There were 933834 unused item pointers. Total free space (including removable row versions) is 150368692 bytes. 18839 pages are or will become empty, including 0 at the end of the table. 0 pages containing 0 free bytes are potential move destinations. CPU 0.01s/0.05u sec elapsed 0.17 sec.INFO: index "pg_class_oid_index" now contains 1813 row versions in 7 pages DETAIL: 56 index row versions were removed. 0 index pages have been deleted, 0 are currently reusable. CPU 0.00s/0.00u sec elapsed 0.00 sec.INFO: index "pg_class_relname_nsp_index" now contains 1818 row versions in 24 pages DETAIL: 63 index row versions were removed. 0 index pages have been deleted, 0 are currently reusable. CPU 0.00s/0.00u sec elapsed 0.00 sec.WARNING: index "pg_class_relname_nsp_index" contains 1818 row versions, but table contains 1813 row versions HINT: Rebuild the index with REINDEX.INFO: analyzing "pg_catalog.pg_class"INFO: "pg_class": scanned 3000 of 18905 pages, containing 227 live rows and 6 dead rows; 227 rows in sample, 1430 estimated total rows Total query runtime: 4469 ms. As you can see there are non-removable dead rows (which slowly grows) and the table size is also increasing in size.. A reindex on the indexes mentions also succeeds but another vacuum reports the same thing... In the log files the relevant bits are: GMT LOG: relation "pg_class" TID 15538/4: dead HOT-updated tuple --- cannot shrink relation 2009-02-12 21:06:40 GMT STATEMENT: VACUUM FULL VERBOSE ANALYZE pg_class 2009-02-12 21:06:40 GMT WARNING: index "pg_class_relname_nsp_index" contains 1818 row versions, but table contains 1813 row versions and finally the last message in the psql-admin thread suggested dumping the above page, which is attached before. >Hmm. The comments in vacuum.c about this case suppose that it could >only be a transient condition, ie the tuple became dead while we were >looking at the page. Evidently it's persistent for you, which means >that for some reason heap_page_prune() is failing to remove an >already-dead tuple. I suspect this implies a corrupt HOT chain, but >maybe the data is okay and what you've got is really a bug in >heap_page_prune. >Could you send a dump of page 15538 of pg_class, using pg_filedump? >The source code for it is here: >http://sources.redhat.com/rhdb/utilities.html >Best would be -i -f format, ie > pg_filedump -i -f -R 15538 $PGDATA/base/something/1259 > > regards, tom lane Any help would be appreciated as the pg_class table is constantly growing which i'm guessing is going to start to affect performance fairly soon. I'd like to avoid a full restore from backup if possible. Thanks JOHN ******************************************************************* * PostgreSQL File/Block Formatted Dump Utility - Version 8.3.0 * * File: /mnt/data/postgresql/8.3/base/16392/1259 * Options used: -i -f -R 15538 * * Dump created on: Thu Feb 12 22:30:43 2009 ******************************************************************* Block 15538 ******************************************************** <Header> ----- Block Offset: 0x07964000 Offsets: Lower 220 (0x00dc) Block: Size 8192 Version 4 Upper 5632 (0x1600) LSN: logid 428 recoff 0xbce5c3a0 Special 8192 (0x2000) Items: 49 Free Space: 5412 TLI: 0x0001 Prune XID: 0x00000000 Flags: 0x0001 (HAS_FREE_LINES) Length (including item array): 220 0000: ac010000 a0c3e5bc 01000100 dc000016 ................ 0010: 00200420 00000000 00000000 00000000 . . ............ 0020: 00000000 609f4001 c09e4001 209e4001 ....`.@...@. .@. 0030: 809d4001 e09c4001 00000000 00000000 ..@...@......... 0040: 409c4001 a09b4001 009b4001 609a4001 @.@...@...@.`.@. 0050: c0994001 20994001 80984001 00000000 ..@. .@...@..... 0060: 00000000 e0974001 40974001 a0964001 ......@.@.@...@. 0070: 00964001 00000000 00000000 00000000 ..@............. 0080: 00000000 00000000 00000000 00000000 ................ 0090: 00000000 00000000 00000000 00000000 ................ 00a0: 00000000 00000000 00000000 00000000 ................ 00b0: 00000000 00000000 00000000 00000000 ................ 00c0: 00000000 00000000 00000000 00000000 ................ 00d0: 00000000 00000000 00000000 ............ <Data> ------ Item 1 -- Length: 0 Offset: 0 (0x0000) Flags: UNUSED Item 2 -- Length: 0 Offset: 0 (0x0000) Flags: UNUSED Item 3 -- Length: 0 Offset: 0 (0x0000) Flags: UNUSED Item 4 -- Length: 160 Offset: 8032 (0x1f60) Flags: NORMAL XMIN: 471107346 XMAX: 471107808 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 5 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1f60: 1287141c e088141c 00000000 0000b23c ...............< 1f70: 05001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1f80: 74656d70 5f717565 75650000 00000000 temp_queue...... 1f90: 00000000 00000000 00000000 00000000 ................ 1fa0: 00000000 00000000 00000000 00000000 ................ 1fb0: 00000000 00000000 00000000 00000000 ................ 1fc0: 15400000 80db0200 00400000 00000000 .@.......@...... 1fd0: 34974300 00000000 00000000 00000000 4.C............. 1fe0: 00000000 00000000 01007200 03000000 ..........r..... 1ff0: 00000000 00000000 00010000 1287141c ................ Item 5 -- Length: 160 Offset: 7872 (0x1ec0) Flags: NORMAL XMIN: 471107808 XMAX: 471108256 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 6 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1ec0: e088141c a08a141c 00000000 0000b23c ...............< 1ed0: 06001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1ee0: 74656d70 5f717565 75650000 00000000 temp_queue...... 1ef0: 00000000 00000000 00000000 00000000 ................ 1f00: 00000000 00000000 00000000 00000000 ................ 1f10: 00000000 00000000 00000000 00000000 ................ 1f20: 15400000 80db0200 00400000 00000000 .@.......@...... 1f30: 39974300 00000000 00000000 00000000 9.C............. 1f40: 00000000 00000000 01007200 03000000 ..........r..... 1f50: 00000000 00000000 00010000 de88141c ................ Item 6 -- Length: 160 Offset: 7712 (0x1e20) Flags: NORMAL XMIN: 471108256 XMAX: 471108887 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 7 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1e20: a08a141c 178d141c 00000000 0000b23c ...............< 1e30: 07001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1e40: 74656d70 5f717565 75650000 00000000 temp_queue...... 1e50: 00000000 00000000 00000000 00000000 ................ 1e60: 00000000 00000000 00000000 00000000 ................ 1e70: 00000000 00000000 00000000 00000000 ................ 1e80: 15400000 80db0200 00400000 00000000 .@.......@...... 1e90: 3e974300 00000000 00000000 00000000 >.C............. 1ea0: 00000000 00000000 01007200 03000000 ..........r..... 1eb0: 00000000 00000000 00010000 9f8a141c ................ Item 7 -- Length: 160 Offset: 7552 (0x1d80) Flags: NORMAL XMIN: 471108887 XMAX: 471109460 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 8 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1d80: 178d141c 548f141c 00000000 0000b23c ....T..........< 1d90: 08001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1da0: 74656d70 5f717565 75650000 00000000 temp_queue...... 1db0: 00000000 00000000 00000000 00000000 ................ 1dc0: 00000000 00000000 00000000 00000000 ................ 1dd0: 00000000 00000000 00000000 00000000 ................ 1de0: 15400000 80db0200 00400000 00000000 .@.......@...... 1df0: 43974300 00000000 00000000 00000000 C.C............. 1e00: 00000000 00000000 01007200 03000000 ..........r..... 1e10: 00000000 00000000 00010000 148d141c ................ Item 8 -- Length: 160 Offset: 7392 (0x1ce0) Flags: NORMAL XMIN: 471109460 XMAX: 471110027 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 9 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1ce0: 548f141c 8b91141c 00000000 0000b23c T..............< 1cf0: 09001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1d00: 74656d70 5f717565 75650000 00000000 temp_queue...... 1d10: 00000000 00000000 00000000 00000000 ................ 1d20: 00000000 00000000 00000000 00000000 ................ 1d30: 00000000 00000000 00000000 00000000 ................ 1d40: 15400000 80db0200 00400000 00000000 .@.......@...... 1d50: 48974300 00000000 00000000 00000000 H.C............. 1d60: 00000000 00000000 01007200 03000000 ..........r..... 1d70: 00000000 00000000 00010000 548f141c ............T... Item 9 -- Length: 0 Offset: 0 (0x0000) Flags: UNUSED Item 10 -- Length: 0 Offset: 0 (0x0000) Flags: UNUSED Item 11 -- Length: 160 Offset: 7232 (0x1c40) Flags: NORMAL XMIN: 471111085 XMAX: 471111481 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 12 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1c40: ad95141c 3997141c 00000000 0000b23c ....9..........< 1c50: 0c001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1c60: 74656d70 5f717565 75650000 00000000 temp_queue...... 1c70: 00000000 00000000 00000000 00000000 ................ 1c80: 00000000 00000000 00000000 00000000 ................ 1c90: 00000000 00000000 00000000 00000000 ................ 1ca0: 15400000 80db0200 00400000 00000000 .@.......@...... 1cb0: 57974300 00000000 00000000 00000000 W.C............. 1cc0: 00000000 00000000 01007200 03000000 ..........r..... 1cd0: 00000000 00000000 00010000 ad95141c ................ Item 12 -- Length: 160 Offset: 7072 (0x1ba0) Flags: NORMAL XMIN: 471111481 XMAX: 471112070 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 13 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1ba0: 3997141c 8699141c 00000000 0000b23c 9..............< 1bb0: 0d001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1bc0: 74656d70 5f717565 75650000 00000000 temp_queue...... 1bd0: 00000000 00000000 00000000 00000000 ................ 1be0: 00000000 00000000 00000000 00000000 ................ 1bf0: 00000000 00000000 00000000 00000000 ................ 1c00: 15400000 80db0200 00400000 00000000 .@.......@...... 1c10: 5c974300 00000000 00000000 00000000 \.C............. 1c20: 00000000 00000000 01007200 03000000 ..........r..... 1c30: 00000000 00000000 00010000 3897141c ............8... Item 13 -- Length: 160 Offset: 6912 (0x1b00) Flags: NORMAL XMIN: 471112070 XMAX: 471112509 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 14 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1b00: 8699141c 3d9b141c 00000000 0000b23c ....=..........< 1b10: 0e001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1b20: 74656d70 5f717565 75650000 00000000 temp_queue...... 1b30: 00000000 00000000 00000000 00000000 ................ 1b40: 00000000 00000000 00000000 00000000 ................ 1b50: 00000000 00000000 00000000 00000000 ................ 1b60: 15400000 80db0200 00400000 00000000 .@.......@...... 1b70: 61974300 00000000 00000000 00000000 a.C............. 1b80: 00000000 00000000 01007200 03000000 ..........r..... 1b90: 00000000 00000000 00010000 7e99141c ............~... Item 14 -- Length: 160 Offset: 6752 (0x1a60) Flags: NORMAL XMIN: 471112509 XMAX: 471113050 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 15 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1a60: 3d9b141c 5a9d141c 00000000 0000b23c =...Z..........< 1a70: 0f001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1a80: 74656d70 5f717565 75650000 00000000 temp_queue...... 1a90: 00000000 00000000 00000000 00000000 ................ 1aa0: 00000000 00000000 00000000 00000000 ................ 1ab0: 00000000 00000000 00000000 00000000 ................ 1ac0: 15400000 80db0200 00400000 00000000 .@.......@...... 1ad0: 66974300 00000000 00000000 00000000 f.C............. 1ae0: 00000000 00000000 01007200 03000000 ..........r..... 1af0: 00000000 00000000 00010000 1b9b141c ................ Item 15 -- Length: 160 Offset: 6592 (0x19c0) Flags: NORMAL XMIN: 471113050 XMAX: 471113635 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 16 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 19c0: 5a9d141c a39f141c 00000000 0000b23c Z..............< 19d0: 10001bc0 092520ff ffff0100 7edb0200 .....% .....~... 19e0: 74656d70 5f717565 75650000 00000000 temp_queue...... 19f0: 00000000 00000000 00000000 00000000 ................ 1a00: 00000000 00000000 00000000 00000000 ................ 1a10: 00000000 00000000 00000000 00000000 ................ 1a20: 15400000 80db0200 00400000 00000000 .@.......@...... 1a30: 6b974300 00000000 00000000 00000000 k.C............. 1a40: 00000000 00000000 01007200 03000000 ..........r..... 1a50: 00000000 00000000 00010000 5a9d141c ............Z... Item 16 -- Length: 160 Offset: 6432 (0x1920) Flags: NORMAL XMIN: 471113635 XMAX: 471114151 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 17 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1920: a39f141c a7a1141c 00000000 0000b23c ...............< 1930: 11001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1940: 74656d70 5f717565 75650000 00000000 temp_queue...... 1950: 00000000 00000000 00000000 00000000 ................ 1960: 00000000 00000000 00000000 00000000 ................ 1970: 00000000 00000000 00000000 00000000 ................ 1980: 15400000 80db0200 00400000 00000000 .@.......@...... 1990: 70974300 00000000 00000000 00000000 p.C............. 19a0: 00000000 00000000 01007200 03000000 ..........r..... 19b0: 00000000 00000000 00010000 9f9f141c ................ Item 17 -- Length: 160 Offset: 6272 (0x1880) Flags: NORMAL XMIN: 471114151 XMAX: 471114646 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 18 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1880: a7a1141c 96a3141c 00000000 0000b23c ...............< 1890: 12001bc0 092520ff ffff0100 7edb0200 .....% .....~... 18a0: 74656d70 5f717565 75650000 00000000 temp_queue...... 18b0: 00000000 00000000 00000000 00000000 ................ 18c0: 00000000 00000000 00000000 00000000 ................ 18d0: 00000000 00000000 00000000 00000000 ................ 18e0: 15400000 80db0200 00400000 00000000 .@.......@...... 18f0: 75974300 00000000 00000000 00000000 u.C............. 1900: 00000000 00000000 01007200 03000000 ..........r..... 1910: 00000000 00000000 00010000 a7a1141c ................ Item 18 -- Length: 0 Offset: 0 (0x0000) Flags: UNUSED Item 19 -- Length: 0 Offset: 0 (0x0000) Flags: UNUSED Item 20 -- Length: 160 Offset: 6112 (0x17e0) Flags: NORMAL XMIN: 471115662 XMAX: 471116262 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 21 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 17e0: 8ea7141c e6a9141c 00000000 0000b23c ...............< 17f0: 15001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1800: 74656d70 5f717565 75650000 00000000 temp_queue...... 1810: 00000000 00000000 00000000 00000000 ................ 1820: 00000000 00000000 00000000 00000000 ................ 1830: 00000000 00000000 00000000 00000000 ................ 1840: 15400000 80db0200 00400000 00000000 .@.......@...... 1850: 84974300 00000000 00000000 00000000 ..C............. 1860: 00000000 00000000 01007200 03000000 ..........r..... 1870: 00000000 00000000 00010000 8ea7141c ................ Item 21 -- Length: 160 Offset: 5952 (0x1740) Flags: NORMAL XMIN: 471116262 XMAX: 471116790 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 22 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1740: e6a9141c f6ab141c 00000000 0000b23c ...............< 1750: 16001bc0 092520ff ffff0100 7edb0200 .....% .....~... 1760: 74656d70 5f717565 75650000 00000000 temp_queue...... 1770: 00000000 00000000 00000000 00000000 ................ 1780: 00000000 00000000 00000000 00000000 ................ 1790: 00000000 00000000 00000000 00000000 ................ 17a0: 15400000 80db0200 00400000 00000000 .@.......@...... 17b0: 89974300 00000000 00000000 00000000 ..C............. 17c0: 00000000 00000000 01007200 03000000 ..........r..... 17d0: 00000000 00000000 00010000 e6a9141c ................ Item 22 -- Length: 160 Offset: 5792 (0x16a0) Flags: NORMAL XMIN: 471116790 XMAX: 471117318 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 23 Attributes: 27 Size: 32 infomask: 0x2509 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_COMMITTED|UPDATED|HOT_UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 16a0: f6ab141c 06ae141c 00000000 0000b23c ...............< 16b0: 17001bc0 092520ff ffff0100 7edb0200 .....% .....~... 16c0: 74656d70 5f717565 75650000 00000000 temp_queue...... 16d0: 00000000 00000000 00000000 00000000 ................ 16e0: 00000000 00000000 00000000 00000000 ................ 16f0: 00000000 00000000 00000000 00000000 ................ 1700: 15400000 80db0200 00400000 00000000 .@.......@...... 1710: 8e974300 00000000 00000000 00000000 ..C............. 1720: 00000000 00000000 01007200 03000000 ..........r..... 1730: 00000000 00000000 00010000 f6ab141c ................ Item 23 -- Length: 160 Offset: 5632 (0x1600) Flags: NORMAL XMIN: 471117318 XMAX: 0 CID|XVAC: 0 OID: 187262 Block Id: 15538 linp Index: 23 Attributes: 27 Size: 32 infomask: 0x2909 (HASNULL|HASOID|XMIN_COMMITTED|XMAX_INVALID|UPDATED|HEAP_ONLY) t_bits: [0]: 0xff [1]: 0xff [2]: 0xff [3]: 0x01 1600: 06ae141c 00000000 00000000 0000b23c ...............< 1610: 17001b80 092920ff ffff0100 7edb0200 .....) .....~... 1620: 74656d70 5f717565 75650000 00000000 temp_queue...... 1630: 00000000 00000000 00000000 00000000 ................ 1640: 00000000 00000000 00000000 00000000 ................ 1650: 00000000 00000000 00000000 00000000 ................ 1660: 15400000 80db0200 00400000 00000000 .@.......@...... 1670: 93974300 00000000 00000000 00000000 ..C............. 1680: 00000000 00000000 01007200 03000000 ..........r..... 1690: 00000000 00000000 00010000 06ae141c ................ 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Last Block Read: 15538 ***
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