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ORA-600[KGL-heap-size-exceeded] Errors in the Alert Log (Doc ID 2628072.1)

Last updated on JANUARY 29, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

The following entries and error occur in the alert log:

Memory Notification: Library Cache Object loaded into SGA
Heap size 512000K exceeds notification threshold (51200K)
...
ORA-00600: internal error code, arguments: [KGL-heap-size-exceeded], [0x0B4FF5318], [0], [524288016], [], [], [], [], [], [], [], []

 

The Current SQL Statement in the associated incident trace file is a SELECT statement.

 

The Call Stack Trace in the same incident trace file shows:

kglLargeHeapWarning <- kglHeapAllocCbk <- kghalp <- kkocsMergeBindEqvCtx
 <- kkslMergeLitCtx <- kksMergeEqvCursors <- kksfbc <- opiexe <- kpoal8 <- opiodr <- ttcpip
  <- opitsk <- opiino <- opiodr <- opidrv <- sou2o <- opimai_real <- ssthrdmain <- main

Notice that the Call Stack mentions kkocs structures.

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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