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Type: Task
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Resolution: Done
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None
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Affects Version/s: None
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Component/s: None
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None
[1394024224:955286][9894:00d7d637c97f0000], t, file:wt-000080.lsm, eviction-server: ../src/btree/bt_discard.c, 44: S2BT(session)->evict_page != page
One of the configs hitting this is:
############################################ # RUN PARAMETERS ############################################ auto_throttle=1 firstfit=0 # bitcnt not applicable to this run bloom=1 bloom_bit_count=44 bloom_hash_count=29 bloom_oldest=1 cache=30 checksum=uncompressed chunk_size=1 compaction=0 compression=none data_extend=0 data_source=lsm delete_pct=38 dictionary=0 file_type=row-store hot_backups=0 huffman_key=0 huffman_value=0 insert_pct=85 internal_key_truncation=0 internal_page_max=14 key_gap=17 key_max=106 key_min=23 leaf_page_max=9 merge_max=18 merge_threads=2 mmap=0 ops=100000 prefix_compression=1 prefix_compression_min=6 repeat_data_pct=44 reverse=1 rows=100000 runs=100 split_pct=56 statistics=0 threads=17 value_max=1969 value_min=5 # wiredtiger_config not applicable to this run write_pct=27 ############################################
The stack is:
(gdb) bt #0 0x0000003788a328a5 in raise () from /lib64/libc.so.6 WT-1 0x0000003788a34085 in abort () from /lib64/libc.so.6 WT-2 0x0000000000499187 in __wt_abort (session=0x1ffb4f0) at ../src/os_posix/os_abort.c:24 WT-3 0x00000000004429c5 in __wt_assert (session=0x1ffb4f0, error=0, file_name=0x666b12 "../src/btree/bt_discard.c", line_number=44, fmt=0x666ad4 "%s") at ../src/support/err.c:470 WT-4 0x00000000004b0eb7 in __wt_page_out (session=0x1ffb4f0, pagep=0x7f8022dd7cd0) at ../src/btree/bt_discard.c:44 WT-5 0x0000000000465c8c in __wt_rec_evict (session=0x1ffb4f0, page=0x0, exclusive=0) at ../src/btree/rec_evict.c:122 WT-6 0x000000000044f934 in __wt_evict_page (session=0x1ffb4f0, page=0x7f7fe0264e30) at ../src/btree/bt_evict.c:397 WT-7 0x000000000044ebe1 in __wt_page_release (session=0x1ffb4f0, page=0x7f7fe0264e30) at ../src/include/btree.i:651 WT-8 0x000000000044f763 in __evict_clear_walks (session=0x1ffb4f0) at ../src/btree/bt_evict.c:331 WT-9 0x000000000044f387 in __evict_worker (session=0x1ffb4f0) at ../src/btree/bt_evict.c:227 WT-10 0x000000000044f104 in __wt_cache_evict_server (arg=0x1ffb4f0) at ../src/btree/bt_evict.c:164 WT-11 0x0000003789207851 in start_thread () from /lib64/libpthread.so.0 WT-12 0x0000003788ae767d in clone () from /lib64/libc.so.6
The btree:
(gdb) frame 4 WT-4 0x00000000004b0eb7 in __wt_page_out (session=0x1ffb4f0, pagep=0x7f8022dd7cd0) at ../src/btree/bt_discard.c:44 44 WT_ASSERT(session, S2BT(session)->evict_page != page); (gdb) p page $2 = (WT_PAGE *) 0x7f7fe0264e30 (gdb) p *session->dhandle $4 = {rwlock = 0x7f8008073290, l = {sle_next = 0x7f7fb00982c0}, session_ref = 27, session_inuse = 26, timeofdeath = 0, name_hash = 17760262835920828822, name = 0x7f80080732e0 "file:wt-000258.lsm", checkpoint = 0x7f8008073300 "WiredTigerCheckpoint.1", cfg = 0x7f8008082f30, dsrc = 0x0, handle = 0x7f8008064f40, ... (gdb) p *(WT_BTREE *)session->dhandle->handle $5 = {dhandle = 0x7f800819ac30, ckpt = 0x0, type = BTREE_ROW, key_format = 0x7f80083e9440 "u", value_format = 0x7f80083e9460 "u", bitcnt = 0 '\000', collator = 0x0, id = 505, key_gap = 16, allocsize = 512, maxintlpage = 8192, maxintlitem = 167, maxleafpage = 8192, maxleafitem = 171, maxmempage = 10737418240, huffman_key = 0x0, huffman_value = 0x0, checksum = CKSUM_ON, dictionary = 0, internal_key_truncate = 1, maximum_depth = 3, prefix_compression = 0, prefix_compression_min = 4, split_pct = 55, compressor = 0x0, ovfl_lock = 0x7f8008073320, last_recno = 0, root_page = 0x7f8008066df0, modified = 0, bulk_load_ok = 0, bm = 0x7f800842c220, block_header = 12, write_gen = 670, evict_page = 0x7f7fe0264e30, evict_priority = 0, evict_walk_period = 0, evict_walk_skips = 0, lru_count = 0, checkpointing = 0, flags = 0}
- related to
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WT-1 placeholder WT-1
- Closed
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WT-2 What does metadata look like?
- Closed
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WT-3 What file formats are required?
- Closed
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WT-4 Flexible cursor traversals
- Closed
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WT-5 How does pget work: is it necessary?
- Closed
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WT-6 Complex schema example
- Closed
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WT-7 Do we need the handle->err/errx methods?
- Closed
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WT-8 Do we need table load, bulk-load and/or dump methods?
- Closed
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WT-9 Does adding schema need to be transactional?
- Closed
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WT-10 Basic "getting started" tutorial
- Closed
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WT-11 placeholder #11
- Closed
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WT-12 Write more examples
- Closed