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  1. WiredTiger
  2. WT-3724

Log an error if flushing with F_FULLSYNC fails

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 3.6.4, 3.7.4, WT3.1.0
    • None
    • None
    • Storage Non-NYC 2018-04-09

    Description

      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.

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        Issue Links

          is depended on by

          Task - A task that needs to be done. SERVER-33002 Platform Support: add MacOS 10.13 (High Sierra)

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Bug - A problem which impairs or prevents the functions of the product. WT-4018 Checkpoint integrity test indicates MacOS 10.13 fsync bug

          • Major - P3 - Major loss of function.
          • Closed

          Task - A task that needs to be done. DOCS-11753 macOS 10.13 (APFS) may not be crash safe

          • Major - P3 - Major loss of function.
          • Closed

          Task - A task that needs to be done. SERVER-31647 Benchmark performance against APFS

          • Major - P3 - Major loss of function.
          • Closed
          links to

          Web Link https://github.com/wiredtiger/wiredtiger/pull/4019

          Activity

            People

              keith.bostic@mongodb.com Keith Bostic (Inactive)
              milkie@mongodb.com Eric Milkie
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              Dates

                Created:
                Updated:
                Resolved: