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  1. WiredTiger
  2. WT-3724

Log an error if flushing with F_FULLSYNC fails

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 3.6.4, 3.7.4, WT3.1.0
    • Affects Version/s: None
    • Component/s: None
    • None
    • Storage Non-NYC 2018-04-09

      From our limited testing, it would appear that Apple's new filesystem APFS does not conform to our expectations for fsync behavior. Running tests resulted in an error of the form:

      [MongoDFixture:job0] 2017-11-06T10:04:51.304-0500 E STORAGE  [conn331] WiredTiger error (0) [1509980691:304818][20778:0x700001ffc000], file:collection-2448-3901112796450791690.wt, WT_CURSOR.next: read checksum error for 4096B block at offset 6332416: block header checksum of 0 doesn't match expected checksum of 1222340184
[MongoDFixture:job0] 2017-11-06T10:04:51.304-0500 E STORAGE  [conn331] WiredTiger error (0) [1509980691:304927][20778:0x700001ffc000], file:collection-2448-3901112796450791690.wt, WT_CURSOR.next: collection-2448-3901112796450791690.wt: encountered an illegal file format or internal value: (__wt_block_read_off, 227)
[MongoDFixture:job0] 2017-11-06T10:04:51.304-0500 E STORAGE  [conn331] WiredTiger error (-31804) [1509980691:304943][20778:0x700001ffc000], file:collection-2448-3901112796450791690.wt, WT_CURSOR.next: the process must exit and restart: WT_PANIC: WiredTiger library panic
[MongoDFixture:job0] 2017-11-06T10:04:51.304-0500 F -        [conn331] Fatal Assertion 28558 at src/mongo/db/storage/wiredtiger/wiredtiger_util.cpp 361
[MongoDFixture:job0] 2017-11-06T10:04:51.304-0500 F -        [conn335] Fatal Assertion 28559 at src/mongo/db/storage/wiredtiger/wiredtiger_util.cpp 64
[MongoDFixture:job0] 2017-11-06T10:04:51.305-0500 F -        [conn331]
[MongoDFixture:job0] 
[MongoDFixture:job0] ***aborting after fassert() failure

      This ticket is to track the diagnosis of this, and to come up with a better reproducer.

            Assignee:
            keith.bostic@mongodb.com Keith Bostic (Inactive)
            Reporter:
            milkie@mongodb.com Eric Milkie
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              Created:
              Updated:
              Resolved: