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Displaying posts with tag: MySQL-innodb (reset)

InnoDB In a Complete Locked Mode
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Today morning, we had a weird issue in one of the staging OLAP server (ETL); where all the InnoDB threads were locked and waiting on a signal condition for about 3-4 hours without performing any work related to InnoDB until we noticed it. Processlist indicates every thread is in ACTIVE state mode like Sending Data, [...]
Notes from InnoDB status, architecture and new features
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Here is the notes from “InnoDB status, architecture and new features” by Heikki Tuuri and Ken Jocobs.

  • Introduction
    • fast
      • row-level locking, MVCC -> high concurrency & throughput
      • high performance CPU, memory and I/O architecture
      • efficient indexing (covering)
    • reliable
      • automatic crash recovery
      • integrated referencial integrity and transactions
      • online backup
      • well written, well tested and large user community
  • New in 5.1
    • plugin 1.0 announced
    • can be usable with partitioning, row based replication
    • reduced “next-key”
  [Read more...]
Showing entries 1 to 2

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