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Addition of backoff process for master reconnect

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This commit is contained in:
Mark Riddoch
2014-10-23 10:46:55 +01:00
parent 932fc5dc2c
commit 70672e43a1
9 changed files with 326 additions and 30 deletions
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11
server/modules/include/blr.h
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@ -57,7 +57,16 @@
*/
#define DEF_SHORT_BURST 15
#define DEF_LONG_BURST 500
#define DEF_BURST_SIZE 1024000 /* 1 Mb */
/**
* master reconnect backoff constants
* BLR_MASTER_BACKOFF_TIME The increments of the back off time (seconds)
* BLR_MAX_BACKOFF Maximum number of increments to backoff to
*/
#define BLR_MASTER_BACKOFF_TIME 5
#define BLR_MAX_BACKOFF 60
/**
* Some useful macros for examining the MySQL Response packets
*/
@ -255,9 +264,11 @@ typedef struct router_instance {
unsigned int high_water; /*< High water mark for client DCB */
unsigned int short_burst; /*< Short burst for slave catchup */
unsigned int long_burst; /*< Long burst for slave catchup */
unsigned long burst_size; /*< Maximum size of burst to send */
ROUTER_STATS stats; /*< Statistics for this router */
int active_logs;
int reconnect_pending;
int retry_backoff;
int handling_threads;
struct router_instance
*next;