Open issues

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  1. Bug
    MCOL-5801Queries Hung | PrimProc <-> Storagemanager | Unknown error code in response
  2. Bug
    MCOL-930Cannot execute queries
  3. Bug
    MCOL-5953Full MTR suite is missing for nightlies on Drone
  4. Bug
    MCOL-5913cmapi write local address 127.0.1.1 instead real ip address
  5. New Feature
    MCOL-5806Dynamic horizontal scaling for Small to Medium-sized installations.
  6. Bug
    MCOL-5756Handle UNION pushdown edge case that triggers slow table mode processing
  7. Bug
    MCOL-5540sudden massive "Invalid Range from HWM for lbid" was thrown
  8. New Feature
    MCOL-5466Upgrades | In place upgrades across major versions - support large columnstore deployment upgrades
  9. New Feature
    MCOL-5702Auto Resolution of DBRM Table Locks When Orphaned
  10. New Feature
    MCOL-5389more transparency and control over version buffer
  11. Bug
    MCOL-5760Dump failing with "Internal error: Lost connection to ExeMgr. Please contact your administrator (1815)" after upgrading to version 23.10.1
  12. New Feature
    MCOL-5142Support for recursive CTE
  13. New Feature
    MCOL-5874Evaluation for Cross Engine Join only single-table queries processing
  14. Task
    MCOL-5914MariaDB bin files grows unexpectedly and server is running out of space
  15. New Feature
    MCOL-5504Error on unsupported function using CURRENT_TIMESTAMP on Columnstore
  16. Bug
    MCOL-5165CAL0055: ERROR: ExeMgr has caught an exception. Resource temporarily unavailable
  17. Bug
    MCOL-5460concurrent CTE operation excessive mutex
  18. New Feature
    MCOL-4250Correlated Subquery, particularly inside and OUTER JOIN ON clause, is currently not supported
  19. New Feature
    MCOL-4218Remove NFS/EFS/ Filestore prereq for S3 storage
  20. Task
    MCOL-5493Races and UB's in Columnstore (sanitizers)
  21. New Feature
    MCOL-5474Mutex lock contention doing block cache lookup when loading a block
  22. New Feature
    MCOL-5473Mutex lock contention doing VSS lookup loading a block
  23. Bug
    MCOL-5674CREATE OR REPLACE TABLE not supported, but it drops the table
  24. Bug
    MCOL-5789`caldroppartitions` removes files but leaves ExtentMap entries causing read errors
  25. Bug
    MCOL-5544StatisticsManager crashes on PP startup unable to read the file.
  26. Bug
    MCOL-5498Potential memory leak in GROUP_CONCAT()/JSON_ARRAYAGG() processing
  27. Bug
    MCOL-5603Online alter can break data consistency
  28. Bug
    MCOL-5446CS Install/Upgrade chown mysql:mysql /var/lib/columnstore performance
  29. Task
    MCOL-5639Tooling/Process Improvements - How can we replicate/reproduce client issues quicker/easier
  30. Sub-Task
    MCOL-4945NOT IN subquery for some SELECTs and DMLs does not work as expected
  31. Bug
    MCOL-5666PP freezes waiting for SM to answer over a socket
  32. Sub-Task
    MCOL-5727Deliver FoundationDB with CMAPI
  33. Bug
    MCOL-5557MariaDB columnstore table join innodb table caused ERROR 1815 (HY000): Internal error: MCS-2058: Unknown Error
  34. Sub-Task
    MCOL-4914Complete ColumnStore Cache Part 2
  35. Bug
    MCOL-3329Pentaho server go in java out of memory cause Pentaho kettle plugin
  36. Bug
    MCOL-5088Docker: Cluster creation did not finish waiting for PM1 to be initialized -develop only
  37. Bug
    MCOL-3412MariaDB Columnstore 1.2.3-1 Cluster with replication for um1/um2 fails HA
  38. Bug
    MCOL-3300Next executed Query is returning wrong results after Error reception from some previous executed Query
  39. Bug
    MCOL-1770Columnstore restart fails when the Swap is over threshold
  40. Bug
    MCOL-1851CASE statement cannot handle null values
  41. New Feature
    MCOL-6006CMAPI | Disable failover when shared storage not detected
  42. Epic
    MCOL-6009ColumnStore Stability Improvements
  43. Task
    MCOL-5998Query Accelerator | issues with innodb queries direct to columnstore
  44. Task
    MCOL-5999Query Accelerator | get innodb data faster
  45. Epic
    MCOL-6007Columnstore Hybrid Transactional Analytical Processing Improvements
  46. Epic
    MCOL-3525ColumnStore Performance Improvements
  47. New Feature
    MCOL-5758GSOC | Reduce the computations in JOINS by simpler Bloom-filter-based pre-joins
  48. Task
    MCOL-5943PR's merged into develop and missing in stable-branch
  49. Bug
    MCOL-5948Failed tests for 11.4
  50. Task
    MCOL-6003Check columnstore against 11.8
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  1. MariaDB ColumnStore
  2. MCOL-5801

Queries Hung | PrimProc <-> Storagemanager | Unknown error code in response

Details

    • Bug
    • Status: Open (View Workflow)
    • Blocker
    • Resolution: Unresolved
    • 23.02.11
    • 23.02
    • None
    • None
    • AWS S3 m5.24xlarge 3 node cluster

    Description

      Description:
      Using S3 on a large aggregation workload of 2.3 Billion dataset, queries hang. Happened 2 out of 3 times, about 3 hours into the workload

      Expectation:
      Columnstore doesnt hang the query forever, ideally completes the query, or at least gracefully exits the query, clearing locks at all levels including columnstore, storagemanager and mariadb server

      Reproduction in developer comments

      Attachments

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. MCOL-5565 Queries stuck in MDB waiting for an answer from PP

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MCOL-5796 PrimProc CPU Usage at 100% (Causing Stuck Queries)

          • Major - Major loss of function.
          • Open
          mentioned in

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              leonid.fedorov Leonid Fedorov
              allen.herrera Allen Herrera
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              Dates

                Created:
                Updated:

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