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Type: Bug
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Resolution: Duplicate
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Priority: Major - P3
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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
I hit this issue in a patch build which contains changes that should not be behind this assertion.
The error:
[2023/09/07 06:08:22.035] [1694066892:220105][65273:0x7f6667f62700], t, file:T00001.wt, WT_CURSOR.next: [WT_VERB_DEFAULT][ERROR]: int __wt_modify_reconstruct_from_upd_list(WT_SESSION_IMPL *, WT_CURSOR_BTREE *, WT_UPDATE *, WT_UPDATE_VALUE *), 493: WiredTiger assertion failed: 'cbt->slot != (4294967295U)'. Expression returned false [2023/09/07 06:08:22.035] [1694066892:221905][65273:0x7f6667f62700], t, file:T00001.wt, WT_CURSOR.next: [WT_VERB_DEFAULT][ERROR]: void __wt_abort(WT_SESSION_IMPL *), 28: aborting WiredTiger library
Config:
############################################ # RUN PARAMETERS: V3 ############################################ assert.read_timestamp=0 background_compact=0 background_compact.free_space_target=2 backup=0 backup.incremental=off backup.incr_granularity=2485 block_cache=0 block_cache.cache_on_checkpoint=0 block_cache.cache_on_writes=1 block_cache.size=19 btree.huffman_value=0 buffer_alignment=0 cache=1344 cache.evict_max=5 cache.eviction_dirty_target=0 cache.eviction_dirty_trigger=0 cache.minimum=20 checkpoint=on checkpoint.log_size=62 checkpoint.wait=76 compact.free_space_target=81 debug.checkpoint_retention=3 debug.cursor_reposition=0 debug.eviction=0 debug.log_retention=1 debug.realloc_exact=0 debug.realloc_malloc=0 debug.slow_checkpoint=0 debug.table_logging=0 debug.update_restore_evict=0 disk.data_extend=0 disk.direct_io=0 disk.encryption=none disk.mmap=1 disk.mmap_all=0 file_manager.close_handle_minimum=25 file_manager.close_idle_time=7 file_manager.close_scan_interval=20 format.abort=0 format.independent_thread_rng=1 format.major_timeout=0 import=0 logging=1 logging.compression=none logging.file_max=309557 logging.prealloc=1 logging.remove=1 ops.alter=0 ops.compaction=0 ops.hs_cursor=0 ops.bound_cursor=0 ops.prepare=0 ops.random_cursor=0 ops.salvage=0 ops.verify=1 quiet=1 random.data_seed=14757478 random.extra_seed=11985198 runs.in_memory=0 runs.ops=0 runs.predictable_replay=0 runs.rows=1800000 runs.tables=5 runs.threads=32 runs.timer=21 runs.verify_failure_dump=0 statistics.mode=fast statistics_log.sources=off stress.aggressive_stash_free=0 stress.aggressive_sweep=0 stress.checkpoint=0 stress.checkpoint_evict_page=0 stress.checkpoint_prepare=0 stress.compact_slow=0 stress.evict_reposition=0 stress.failpoint_eviction_split=0 stress.failpoint_hs_delete_key_from_ts=0 stress.hs_checkpoint_delay=0 stress.hs_search=0 stress.hs_sweep=0 stress.prepare_resolution_1=0 stress.sleep_before_read_overflow_onpage=0 stress.split_1=0 stress.split_2=0 stress.split_3=0 stress.split_4=0 stress.split_5=0 stress.split_6=0 stress.split_7=0 stress.split_8=0 tiered_storage.flush_frequency=0 tiered_storage.storage_source=off transaction.implicit=17 transaction.operation_timeout_ms=2000 transaction.timestamps=0 wiredtiger.config=off wiredtiger.rwlock=1 wiredtiger.leak_memory=0 ############################################ # TABLE PARAMETERS: table 1 ############################################ table1.btree.compression=none table1.btree.dictionary=0 table1.btree.internal_key_truncation=0 table1.btree.internal_page_max=14 table1.btree.key_max=25 table1.btree.key_min=25 table1.btree.leaf_page_max=11 table1.btree.memory_page_max=2 table1.btree.prefix_len=0 table1.btree.prefix_compression=1 table1.btree.prefix_compression_min=1 table1.btree.reverse=0 table1.btree.split_pct=50 table1.btree.value_max=1846 table1.btree.value_min=7 table1.disk.checksum=on table1.disk.firstfit=0 table1.ops.pareto=1 table1.ops.pareto.skew=58 table1.ops.pct.delete=47 table1.ops.pct.insert=15 table1.ops.pct.modify=13 table1.ops.pct.read=1 table1.ops.pct.write=24 table1.ops.truncate=1 table1.runs.mirror=1 table1.runs.source=table table1.runs.type=row-store ############################################ # TABLE PARAMETERS: table 2 ############################################ table2.btree.compression=lz4 table2.btree.dictionary=1 table2.btree.internal_key_truncation=1 table2.btree.internal_page_max=13 table2.btree.key_max=112 table2.btree.key_min=16 table2.btree.leaf_page_max=12 table2.btree.memory_page_max=2 table2.btree.prefix_len=0 table2.btree.prefix_compression=1 table2.btree.prefix_compression_min=3 table2.btree.reverse=0 table2.btree.split_pct=75 table2.btree.value_max=2753 table2.btree.value_min=12 table2.disk.checksum=on table2.disk.firstfit=0 table2.ops.pareto=1 table2.ops.pareto.skew=75 table2.ops.pct.delete=53 table2.ops.pct.insert=7 table2.ops.pct.modify=20 table2.ops.pct.read=5 table2.ops.pct.write=15 table2.ops.truncate=1 table2.runs.mirror=1 table2.runs.source=table table2.runs.type=row-store ############################################ # TABLE PARAMETERS: table 3 ############################################ table3.btree.compression=none table3.btree.dictionary=1 table3.btree.internal_key_truncation=1 table3.btree.internal_page_max=14 table3.btree.key_max=84 table3.btree.key_min=26 table3.btree.leaf_page_max=12 table3.btree.memory_page_max=4 table3.btree.prefix_len=41 table3.btree.prefix_compression=1 table3.btree.prefix_compression_min=8 table3.btree.reverse=0 table3.btree.split_pct=68 table3.btree.value_max=2830 table3.btree.value_min=4 table3.disk.checksum=on table3.disk.firstfit=0 table3.ops.pareto=1 table3.ops.pareto.skew=78 table3.ops.pct.delete=1 table3.ops.pct.insert=0 table3.ops.pct.modify=1 table3.ops.pct.read=0 table3.ops.pct.write=98 table3.ops.truncate=1 table3.runs.mirror=1 table3.runs.source=table table3.runs.type=row-store ############################################ # TABLE PARAMETERS: table 4 ############################################ table4.btree.compression=none table4.btree.dictionary=0 table4.btree.internal_key_truncation=1 table4.btree.internal_page_max=13 table4.btree.key_max=128 table4.btree.key_min=31 table4.btree.leaf_page_max=11 table4.btree.memory_page_max=10 table4.btree.prefix_len=0 table4.btree.prefix_compression=1 table4.btree.prefix_compression_min=6 table4.btree.reverse=0 table4.btree.split_pct=59 table4.btree.value_max=2206 table4.btree.value_min=0 table4.disk.checksum=on table4.disk.firstfit=0 table4.ops.pareto=1 table4.ops.pareto.skew=28 table4.ops.pct.delete=9 table4.ops.pct.insert=10 table4.ops.pct.modify=2 table4.ops.pct.read=4 table4.ops.pct.write=75 table4.ops.truncate=1 table4.runs.mirror=1 table4.runs.source=file table4.runs.type=row-store ############################################ # TABLE PARAMETERS: table 5 ############################################ table5.btree.compression=zlib table5.btree.dictionary=0 table5.btree.internal_key_truncation=1 table5.btree.internal_page_max=12 table5.btree.key_max=86 table5.btree.key_min=22 table5.btree.leaf_page_max=9 table5.btree.memory_page_max=3 table5.btree.prefix_len=0 table5.btree.prefix_compression=1 table5.btree.prefix_compression_min=6 table5.btree.reverse=0 table5.btree.split_pct=94 table5.btree.value_max=613 table5.btree.value_min=4 table5.disk.checksum=on table5.disk.firstfit=0 table5.ops.pareto=1 table5.ops.pareto.skew=63 table5.ops.pct.delete=5 table5.ops.pct.insert=88 table5.ops.pct.modify=0 table5.ops.pct.read=4 table5.ops.pct.write=3 table5.ops.truncate=1 table5.runs.mirror=0 table5.runs.source=table table5.runs.type=row-store ########################################
- duplicates
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WT-10905 Fix reading a modify update with read uncommitted isolation
- Closed