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Added random sleeps before retrying temporarly failed DICT signals, to avoid race conditions

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unknown 2008-02-06 15:08:45 +01:00
commit cfca20b052
1 changed files with 18 additions and 1 deletions
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19
ndb/src/ndbapi/NdbDictionaryImpl.cpp
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@ -35,6 +35,7 @@
#include "NdbBlobImpl.hpp"
#include <AttributeHeader.hpp>
#include <my_sys.h>
#include <NdbSleep.h>
#define DEBUG_PRINT 0
#define INCOMPATIBLE_VERSION -2
@ -886,7 +887,23 @@ NdbDictInterface::dictSignal(NdbApiSignal* signal,
{
DBUG_ENTER("NdbDictInterface::dictSignal");
DBUG_PRINT("enter", ("useMasterNodeId: %d", useMasterNodeId));
for(Uint32 i = 0; i<RETRIES; i++){
int sleep = 50;
int mod = 5;
for(Uint32 i = 0; i<RETRIES; i++)
{
if (i > 0)
NdbSleep_MilliSleep(sleep + 10 * (rand() % mod));
if (i == RETRIES / 2)
{
mod = 10;
}
if (i == 3*RETRIES/4)
{
sleep = 100;
}
//if (useMasterNodeId == 0)
m_buffer.clear();