-
Type:
Bug
-
Resolution: Duplicate
-
Priority:
Major - P3
-
None
-
Affects Version/s: None
-
Component/s: None
-
None
We have seen a number of failures recently, where there have been 0 dirty leaf pages. And cache suck abort with only dirty internal pages.
The following runs are examples of this:
http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress/36063
http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-ppc/9407
Sample config:
############################################ # RUN PARAMETERS ############################################ abort=0 alter=0 auto_throttle=1 backups=0 bitcnt=5 bloom=1 bloom_bit_count=48 bloom_hash_count=28 bloom_oldest=1 cache=3 checkpoints=1 checksum=off chunk_size=4 compaction=0 compression=zlib data_extend=0 data_source=table delete_pct=19 dictionary=0 direct_io=0 encryption=rotn-7 evict_max=4 file_type=row-store firstfit=0 huffman_key=0 huffman_value=0 in_memory=0 insert_pct=26 internal_key_truncation=1 internal_page_max=9 isolation=read-uncommitted key_gap=13 key_max=256 key_min=256 leaf_page_max=9 leak_memory=0 logging=1 logging_archive=0 logging_compression=zlib-noraw logging_prealloc=0 long_running_txn=0 lsm_worker_threads=3 merge_max=18 mmap=1 ops=100000 prefix_compression=1 prefix_compression_min=2 quiet=1 read_pct=50 rebalance=1 repeat_data_pct=23 reverse=0 rows=100000 runs=1 salvage=1 split_pct=41 statistics=0 statistics_server=1 threads=2 timer=20 transaction-frequency=27 value_max=1240 value_min=10 verify=1 wiredtiger_config= write_pct=5 ############################################
Example cache-dump output
0x1145088:=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= 0x1145088:transaction state dump 0x1145088:current ID: 44195 0x1145088:last running ID: 44195 0x1145088:oldest ID: 44195 0x1145088:oldest named snapshot ID: 0 0x1145088:checkpoint running? no 0x1145088:checkpoint generation: 12 0x1145088:checkpoint pinned ID: 0 0x1145088:checkpoint txn ID: 0 0x1145088:session count: 14 0x1145088:Transaction state of active sessions: 0x1145088:ID: 0, mod count: 0, pinned ID: 44195, snap min: 0, snap max: 0, metadata pinned ID: 44195, flags: 0x00000000, name: WT_CURSOR.prev, isolation: WT_ISO_READ_UNCOMMITTED 0x1145088:=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= 0x1145088:=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= 0x1145088:cache dump 0x1145088:file:wt.wt(checkpoint=WiredTigerCheckpoint.14): 0x1145088:internal: 53 pages, 0MB, 53/0 clean/dirty pages, 0/0 clean/dirty MB, 0MB max page, 0MB max dirty page 0x1145088:leaf: 1 pages, 0MB, 1/0 clean/dirty pages, 0/0 clean/dirty MB, 0MB max page, 0MB max dirty page 0x1145088:file:wt.wt(<live>): 0x1145088:internal: 216 pages, 2MB, 7/209 clean/dirty pages, 0/2 clean/dirty MB, 0MB max page, 0MB max dirty page 0x1145088:leaf: 1 pages, 0MB, 1/0 clean/dirty pages, 0/0 clean/dirty MB, 0MB max page, 0MB max dirty page 0x1145088:file:WiredTigerLAS.wt(<live>): 0x1145088:internal: 1 pages, 0MB, 1/0 clean/dirty pages, 0/0 clean/dirty MB, 0MB max page, 0MB max dirty page 0x1145088:file:WiredTiger.wt(<live>): 0x1145088:internal: 1 pages, 0MB, 1/0 clean/dirty pages, 0/0 clean/dirty MB, 0MB max page, 0MB max dirty page 0x1145088:cache dump: total found: 2MB vs tracked inuse 2MB 0x1145088:total dirty bytes: 2MB 0x1145088:=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
- duplicates
-
WT-3160 Improve eviction of internal pages from idle trees
-
- Closed
-