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ckdb - intransient store of common strings to reduce ram - only used in transfer so far

master
kanoi 8 years ago
parent
f96cf93aa6
commit
69cf35313d
3 changed files with 230 additions and 26 deletions
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  1. 97
      src/ckdb.c
  2. 43
      src/ckdb.h
  3. 92
      src/ckdb_data.c

97
src/ckdb.c
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@ -208,24 +208,24 @@ const char *strpatt = "^[ -<>-~]*$";
const char Transfer[] = "Transfer";
// older version missing field defaults
static TRANSFER auth_1 = { "poolinstance", "", auth_1.svalue };
static TRANSFER auth_1 = { "poolinstance", "", auth_1.svalue, NULL };
K_ITEM auth_poolinstance = { Transfer, NULL, NULL, (void *)(&auth_1) };
static TRANSFER auth_2 = { "preauth", FALSE_STR, auth_2.svalue };
static TRANSFER auth_2 = { "preauth", FALSE_STR, auth_2.svalue, NULL };
K_ITEM auth_preauth = { Transfer, NULL, NULL, (void *)(&auth_2) };
static TRANSFER poolstats_1 = { "elapsed", "0", poolstats_1.svalue };
static TRANSFER poolstats_1 = { "elapsed", "0", poolstats_1.svalue, NULL };
K_ITEM poolstats_elapsed = { Transfer, NULL, NULL, (void *)(&poolstats_1) };
static TRANSFER userstats_1 = { "elapsed", "0", userstats_1.svalue };
static TRANSFER userstats_1 = { "elapsed", "0", userstats_1.svalue, NULL };
K_ITEM userstats_elapsed = { Transfer, NULL, NULL, (void *)(&userstats_1) };
static TRANSFER userstats_2 = { "workername", "all", userstats_2.svalue };
static TRANSFER userstats_2 = { "workername", "all", userstats_2.svalue, NULL };
K_ITEM userstats_workername = { Transfer, NULL, NULL, (void *)(&userstats_2) };
static TRANSFER userstats_3 = { "idle", FALSE_STR, userstats_3.svalue };
static TRANSFER userstats_3 = { "idle", FALSE_STR, userstats_3.svalue, NULL };
K_ITEM userstats_idle = { Transfer, NULL, NULL, (void *)(&userstats_3) };
static TRANSFER userstats_4 = { "eos", TRUE_STR, userstats_4.svalue };
static TRANSFER userstats_4 = { "eos", TRUE_STR, userstats_4.svalue, NULL };
K_ITEM userstats_eos = { Transfer, NULL, NULL, (void *)(&userstats_4) };
static TRANSFER shares_1 = { "secondaryuserid", TRUE_STR, shares_1.svalue };
static TRANSFER shares_1 = { "secondaryuserid", TRUE_STR, shares_1.svalue, NULL };
K_ITEM shares_secondaryuserid = { Transfer, NULL, NULL, (void *)(&shares_1) };
static TRANSFER shareerrors_1 = { "secondaryuserid", TRUE_STR, shareerrors_1.svalue };
static TRANSFER shareerrors_1 = { "secondaryuserid", TRUE_STR, shareerrors_1.svalue, NULL };
K_ITEM shareerrors_secondaryuserid = { Transfer, NULL, NULL, (void *)(&shareerrors_1) };
// Time limit that this problem occurred
// 24-Aug-2014 05:20+00 (1st one shortly after this)
@ -447,6 +447,34 @@ static pthread_cond_t f_ioqueue_waitcond;
K_LIST *logqueue_free;
K_STORE *logqueue_store;
// NAMERAM
K_LIST *nameram_free;
K_STORE *nameram_store;
// INTRANSIENT
K_TREE *intransient_root;
K_LIST *intransient_free;
K_STORE *intransient_store;
char *intransient_fields[] = {
"workername",
"blockhash",
BYTRF,
CODETRF,
INETTRF,
"username",
"agent",
"useragent",
"address",
"prevhash",
"poolinstance",
"payaddress",
"originaltxn",
"committxn",
"commitblockhash",
NULL
};
// MSGLINE
K_LIST *msgline_free;
K_STORE *msgline_store;
@ -1886,9 +1914,22 @@ static void alloc_storage()
cmd_breakqueue_store = k_new_store(breakqueue_free);
cmd_done_breakqueue_store = k_new_store(breakqueue_free);
intransient_free = k_new_list("Intransient", sizeof(INTRANSIENT),
ALLOC_INTRANSIENT, LIMIT_INTRANSIENT,
true);
intransient_store = k_new_store(intransient_free);
intransient_root = new_ktree(NULL, cmp_intransient, intransient_free);
nameram_free = k_new_list("NameRAM", sizeof(NAMERAM), ALLOC_NAMERAM,
LIMIT_NAMERAM, true);
nameram_store = k_new_store(nameram_free);
#if LOCK_CHECK
DLPRIO(logqueue, 94);
DLPRIO(breakqueue, PRIO_TERMINAL);
DLPRIO(intransient, 2);
DLPRIO(nameram, 1);
#endif
seqset_free = k_new_list("SeqSet", sizeof(SEQSET),
@ -3910,8 +3951,9 @@ static enum cmd_values breakdown(K_ITEM **ml_item, char *buf, tv_t *now,
K_ITEM *t_item = NULL, *cd_item = NULL, *seqall;
char *cmdptr, *idptr, *next, *eq, *end, *was;
char *data = NULL, *st = NULL, *st2 = NULL, *ip = NULL;
bool noid = false;
bool noid = false, intrans;
size_t siz;
int i;
K_WLOCK(msgline_free);
*ml_item = k_unlink_head_zero(msgline_free);
@ -4033,6 +4075,7 @@ static enum cmd_values breakdown(K_ITEM **ml_item, char *buf, tv_t *now,
FREENULL(st2);
goto nogood;
}
// LOGERR of buf could be truncated
*(end++) = '\0';
K_WLOCK(transfer_free);
t_item = k_unlink_head(transfer_free);
@ -4131,13 +4174,30 @@ static enum cmd_values breakdown(K_ITEM **ml_item, char *buf, tv_t *now,
}
siz = end - next;
}
intrans = false;
for (i = 0; intransient_fields[i]; i++) {
if (strcmp(transfer->name,
intransient_fields[i]) == 0) {
intrans = true;
// This will affect 'was' if JSON_END is missing
*(next + siz) = '\0';
transfer->intransient = get_intransient_siz(next, siz+1);
transfer->mvalue = transfer->intransient->str;
break;
}
}
if (!intrans) {
transfer->intransient = NULL;
if (siz >= sizeof(transfer->svalue)) {
transfer->mvalue = malloc(siz+1);
STRNCPYSIZ(transfer->mvalue, next, siz+1);
STRNCPYSIZ(transfer->mvalue, next,
siz+1);
} else {
STRNCPYSIZ(transfer->svalue, next, siz+1);
STRNCPYSIZ(transfer->svalue, next,
siz+1);
transfer->mvalue = transfer->svalue;
}
}
add_to_ktree_nolock(msgline->trf_root, t_item);
k_add_head_nolock(msgline->trf_store, t_item);
t_item = NULL;
@ -4179,6 +4239,18 @@ static enum cmd_values breakdown(K_ITEM **ml_item, char *buf, tv_t *now,
DATA_TRANSFER(transfer, t_item);
STRNCPY(transfer->name, data);
siz = strlen(eq) + 1;
intrans = false;
for (i = 0; intransient_fields[i]; i++) {
if (strcmp(transfer->name,
intransient_fields[i]) == 0) {
intrans = true;
transfer->intransient = get_intransient_siz(eq, siz);
transfer->mvalue = transfer->intransient->str;
break;
}
}
if (!intrans) {
transfer->intransient = NULL;
if (siz > sizeof(transfer->svalue)) {
transfer->mvalue = malloc(siz);
STRNCPYSIZ(transfer->mvalue, eq, siz);
@ -4186,6 +4258,7 @@ static enum cmd_values breakdown(K_ITEM **ml_item, char *buf, tv_t *now,
STRNCPYSIZ(transfer->svalue, eq, siz);
transfer->mvalue = transfer->svalue;
}
}
// Discard duplicates
if (find_in_ktree_nolock(msgline->trf_root, t_item, ctx)) {

43
src/ckdb.h
Unescape View File

@ -58,7 +58,7 @@
#define DB_VLOCK "1"
#define DB_VERSION "1.0.7"
#define CKDB_VERSION DB_VERSION"-2.438"
#define CKDB_VERSION DB_VERSION"-2.440"
#define WHERE_FFL " - from %s %s() line %d"
#define WHERE_FFL_HERE __FILE__, __func__, __LINE__
@ -1131,6 +1131,41 @@ typedef struct logqueue {
extern K_LIST *logqueue_free;
extern K_STORE *logqueue_store;
// NAMERAM - RAM for INTRANSIENT names - 2M per allocation
typedef struct nameram {
char rem[2*1024*1024-sizeof(void *)-sizeof(size_t)];
void *next;
size_t left;
} NAMERAM;
// Items never to be deleted and list never to be culled
#define ALLOC_NAMERAM 1
#define LIMIT_NAMERAM 0
#define INIT_NAMERAM(_item) INIT_GENERIC(_item, nameram)
#define DATA_NAMERAM(_var, _item) DATA_GENERIC(_var, _item, nameram, true)
extern K_LIST *nameram_free;
extern K_STORE *nameram_store;
// INTRANSIENT - a list of common strings, to avoid wasting RAM
typedef struct intransient {
char *str;
} INTRANSIENT;
/* Items never to be deleted and list never to be culled
* They are all created by the db load functions and breakdown */
#define ALLOC_INTRANSIENT 1024
#define LIMIT_INTRANSIENT 0
#define INIT_INTRANSIENT(_item) INIT_GENERIC(_item, intransient)
#define DATA_INTRANSIENT(_var, _item) DATA_GENERIC(_var, _item, intransient, true)
#define DATA_INTRANSIENT_NULL(_var, _item) DATA_GENERIC(_var, _item, intransient, false)
extern K_TREE *intransient_root;
extern K_LIST *intransient_free;
extern K_STORE *intransient_store;
extern char *intransient_fields[];
// MSGLINE
typedef struct msgline {
int which_cmds;
@ -1343,6 +1378,7 @@ typedef struct transfer {
char name[NAME_SIZE+1];
char svalue[VALUE_SIZE+1];
char *mvalue;
INTRANSIENT *intransient;
} TRANSFER;
// Suggest malloc use MMAP = largest under 2MB
@ -3074,6 +3110,11 @@ extern char *_hms_to_buf(time_t *data, char *buf, size_t siz, WHERE_FFL_ARGS);
// Convert to MM:SS
extern char *_ms_to_buf(time_t *data, char *buf, size_t siz, WHERE_FFL_ARGS);
extern cmp_t cmp_intransient(K_ITEM *a, K_ITEM *b);
#define get_intransient(_name) _get_intransient(_name, 0, WHERE_FFL_HERE)
#define get_intransient_siz(_name, _siz) \
_get_intransient(_name, _siz, WHERE_FFL_HERE)
extern INTRANSIENT *_get_intransient(char *name, size_t siz, WHERE_FFL_ARGS);
extern char *_transfer_data(K_ITEM *item, WHERE_FFL_ARGS);
extern void dsp_transfer(K_ITEM *item, FILE *stream);
extern cmp_t cmp_transfer(K_ITEM *a, K_ITEM *b);

92
src/ckdb_data.c
Unescape View File

@ -25,8 +25,13 @@ void free_msgline_data(K_ITEM *item, bool t_lock, bool t_cull)
t_item = STORE_HEAD_NOLOCK(msgline->trf_store);
while (t_item) {
DATA_TRANSFER(transfer, t_item);
if (transfer->mvalue != transfer->svalue)
if (transfer->mvalue != transfer->svalue) {
if (transfer->intransient) {
transfer->intransient = NULL;
transfer->mvalue = NULL;
} else
FREENULL(transfer->mvalue);
}
t_item = t_item->next;
}
if (t_lock)
@ -701,6 +706,91 @@ char *_ms_to_buf(time_t *data, char *buf, size_t siz, WHERE_FFL_ARGS)
return _data_to_buf(TYPE_MS, (void *)data, buf, siz, WHERE_FFL_PASS);
}
// order by name asc
cmp_t cmp_intransient(K_ITEM *a, K_ITEM *b)
{
INTRANSIENT *ia, *ib;
DATA_INTRANSIENT(ia, a);
DATA_INTRANSIENT(ib, b);
return CMP_STR(ia->str, ib->str);
}
INTRANSIENT *_get_intransient(char *name, size_t siz, WHERE_FFL_ARGS)
{
INTRANSIENT intransient, *in = NULL;
K_ITEM look, *i_item, *n_item;
NAMERAM *nameram = NULL;
K_TREE_CTX ctx[1];
char *buf;
bool new;
if (siz == 0)
siz = strlen(name) + 1;
if (siz > sizeof(nameram->rem)) {
char *st = NULL;
LOGEMERG("%s() ERR '%10s...' discarded - siz %d>%d" WHERE_FFL,
__func__, st = safe_text_nonull(name), (int)siz,
(int)sizeof(nameram->rem), WHERE_FFL_PASS);
name = EMPTY;
siz = 1;
}
intransient.str = name;
INIT_INTRANSIENT(&look);
look.data = (void *)(&intransient);
K_RLOCK(intransient_free);
i_item = _find_in_ktree(intransient_root, &look, ctx, false,
WHERE_FFL_PASS);
K_RUNLOCK(intransient_free);
if (i_item) {
DATA_INTRANSIENT(in, i_item);
return in;
}
K_WLOCK(intransient_free);
// Search again, to be thread safe
i_item = _find_in_ktree(intransient_root, &look, ctx, false,
WHERE_FFL_PASS);
if (i_item) {
DATA_INTRANSIENT(in, i_item);
} else {
new = false;
buf = NULL;
K_WLOCK(nameram_free);
if (nameram_store->count == 0)
new = true;
else {
n_item = STORE_WHEAD(nameram_store);
DATA_NAMERAM(nameram, n_item);
if (nameram->left < siz)
new = true;
}
if (new) {
n_item = k_unlink_head(nameram_free);
DATA_NAMERAM(nameram, n_item);
nameram->next = nameram->rem;
nameram->left = sizeof(nameram->rem);
k_add_head(nameram_store, n_item);
}
buf = nameram->next;
nameram->next += siz;
nameram->left -= siz;
K_WUNLOCK(nameram_free);
strcpy(buf, name);
i_item = k_unlink_head(intransient_free);
DATA_INTRANSIENT(in, i_item);
in->str = buf;
k_add_tail(intransient_store, i_item);
add_to_ktree(intransient_root, i_item);
}
K_WUNLOCK(intransient_free);
return in;
}
// For mutiple variable function calls that need the data
char *_transfer_data(K_ITEM *item, WHERE_FFL_ARGS)
{

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