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PG-182: Added a new option for the query buffer overflow.

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Ibrar Ahmed
2021-02-17 13:08:39 +00:00
parent 0c9c25fbd9
commit 6aa1b2e7b6
6 changed files with 61 additions and 43 deletions
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16
pg_stat_monitor.h
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@@ -86,12 +86,19 @@
#define MAX_QUERY_BUF (PGSM_QUERY_SHARED_BUFFER * 1024 * 1024)
#define MAX_BUCKETS_MEM (PGSM_MAX * 1024 * 1024)
#define BUCKETS_MEM_OVERFLOW() ((hash_get_num_entries(pgss_hash) * sizeof(pgssEntry)) >= MAX_BUCKETS_MEM)
#define MAX_QUERY_BUFFER_BUCKET MAX_QUERY_BUF / PGSM_MAX_BUCKETS
#define MAX_QUERY_BUFFER_BUCKET MAX_QUERY_BUF / PGSM_MAX_BUCKETS
#define MAX_BUCKET_ENTRIES (MAX_BUCKETS_MEM / sizeof(pgssEntry))
#define QUERY_BUFFER_OVERFLOW(x,y) ((x + y + sizeof(uint64) + sizeof(uint64)) > MAX_QUERY_BUFFER_BUCKET)
#define QUERY_MARGIN 100
#define MIN_QUERY_LEN 10
#define SQLCODE_LEN 20
#if PG_VERSION_NUM >= 130000
#define MAX_SETTINGS 13
#else
#define MAX_SETTINGS 12
#endif
typedef struct GucVariables
{
int guc_variable;
@@ -105,6 +112,12 @@ typedef struct GucVariables
bool guc_restart;
} GucVariable;
typedef enum OVERFLOW_TARGET
{
OVERFLOW_TARGET_NONE = 0,
OVERFLOW_TARGET_DISK
} OVERFLOW_TARGET;
typedef enum pgssStoreKind
{
PGSS_INVALID = -1,
@@ -357,5 +370,6 @@ void pgss_startup(void);
#define PGSM_HISTOGRAM_BUCKETS get_conf(9)->guc_variable
#define PGSM_QUERY_SHARED_BUFFER get_conf(10)->guc_variable
#define PGSM_TRACK_PLANNING get_conf(11)->guc_variable
#define PGSM_OVERFLOW_TARGET get_conf(12)->guc_variable
#endif