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ckdb - ensure expected duplicates are debug only and don't stop the reload early

master
kanoi 10 years ago
parent
caeee9b322
commit
1d25cb88b0
2 changed files with 126 additions and 71 deletions
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  1. 179
      src/ckdb.c
  2. 18
      src/ckdb.h

179
src/ckdb.c
Unescape View File

@ -1689,7 +1689,7 @@ static void trans_seq(tv_t *now)
static bool update_seq(enum seq_num seq, uint64_t n_seqcmd,
uint64_t n_seqstt, uint64_t n_seqpid,
char *nam, tv_t *now, tv_t *cd, char *code,
bool warndup, char *msg)
int seqitemflags, char *msg)
{
char t_buf[DATE_BUFSIZ], t_buf2[DATE_BUFSIZ], *st = NULL;
bool firstseq, newseq, expseq, gothigh, gotstale, gotstalestart;
@ -1697,13 +1697,13 @@ static bool update_seq(enum seq_num seq, uint64_t n_seqcmd,
SEQSET seqset_exp = { 0 }, seqset_copy = { 0 };
bool dup, wastrans, doitem, dotime;
SEQDATA *seqdata;
SEQITEM *seqitem;
SEQITEM *seqitem, seqitem_copy;
K_ITEM *seqset_item = NULL, *st_item = NULL;
SEQTRANS *seqtrans = NULL;
size_t siz, end;
void *off0, *offn;
uint64_t u;
int set = -1, highlimit, i;
int set = -1, expset = -1, highlimit, i;
K_STORE *lost;
// We store the lost items in here
@ -1732,10 +1732,10 @@ static bool update_seq(enum seq_num seq, uint64_t n_seqcmd,
}
}
// Need to get a new seqset
// Need to setup a new seqset
newseq = true;
if (!firstseq) {
/* The current seqset (about to become the previous)
/* The current seqset (may become the previous)
* If !seqset_store->head (i.e. a bug) this will quit() */
DATA_SEQSET(seqset0, seqset_store->head);
memcpy(&seqset_pre, seqset0, sizeof(seqset_pre));
@ -1796,16 +1796,59 @@ static bool update_seq(enum seq_num seq, uint64_t n_seqcmd,
LIST_MEM_ADD_SIZ(seqset_free, end);
}
} else {
// Expire the last set and overwrite it
seqset_item = k_unlink_tail(seqset_store);
// If !item (i.e. a bug) this will quit()
// Expire the oldest set and overwrite it
K_ITEM *ss_item;
SEQSET *ss = NULL;
int s = 0;
seqset = NULL;
seqset_item = NULL;
ss_item = seqset_store->head;
while (ss_item) {
DATA_SEQSET(ss, ss_item);
if (!seqset) {
seqset = ss;
seqset_item = ss_item;
expset = s;
} else {
// choose the last match
if (ss->seqstt >= seqset->seqstt) {
seqset = ss;
seqset_item = ss_item;
expset = s;
}
}
ss_item = ss_item->next;
s++;
}
// If !seqset_item (i.e. a bug) k_unlink_item() will quit()
k_unlink_item(seqset_store, seqset_item);
DATA_SEQSET(seqset, seqset_item);
memcpy(&seqset_exp, seqset, sizeof(seqset_exp));
expseq = true;
RESETSET(seqset, n_seqstt, n_seqpid);
}
k_add_head(seqset_store, seqset_item);
set = 0;
/* Since the pool queue is active during the reload, sets can be out
* of order, so each new one should be added depending upon the value
* of seqstt so the current pool is first, to minimise searching
* seqset_store, but the order of the rest isn't as important
* N.B. a new set is only created once per pool start */
if (firstseq) {
k_add_head(seqset_store, seqset_item);
set = 0;
} else {
// seqset0 already is the head
if (n_seqstt >= seqset0->seqstt) {
// if new set is >= head then make it the head
k_add_head(seqset_store, seqset_item);
set = 0;
} else {
// put it next after the head
k_insert_after(seqset_store, seqset_item,
seqset_store->head);
set = 1;
}
}
gotseqset:
doitem = dotime = false;
@ -1895,6 +1938,7 @@ gotseqset:
if (!ITEMISMIS(seqitem)) {
dup = true;
memcpy(&seqset_copy, seqset, sizeof(seqset_copy));
memcpy(&seqitem_copy, seqitem, sizeof(seqitem_copy));
} else {
// Found a missing one
seqdata->missing--;
@ -1942,6 +1986,7 @@ gotseqset:
setitemdata:
// Store the new seq if flagged to do so
if (doitem) {
seqitem->flags = seqitemflags;
copy_tv(&(seqitem->time), now);
copy_tv(&(seqitem->cd), cd);
STRNCPY(seqitem->code, code);
@ -1969,13 +2014,13 @@ setitemdata:
nam, n_seqcmd, n_seqstt, t_buf, n_seqpid);
} else {
if (newseq) {
// previous set is set 1
SEQSETWARN(1, &seqset_pre, "previous", EMPTY);
}
if (expseq) {
// set -1 means it was the discarded/removed last set
SEQSETWARN(-1, &seqset_exp, "discarded old", " for:");
if (set == 0)
SEQSETWARN(0, &seqset_pre, "previous", EMPTY);
else
SEQSETWARN(0, &seqset_pre, "current", EMPTY);
}
if (expseq)
SEQSETWARN(expset, &seqset_exp, "discarded old", " for:");
if (newseq || expseq) {
btu64_to_buf(&n_seqstt, t_buf, sizeof(t_buf));
LOGWARNING("Seq created new: %s %"PRIu64" "
@ -1985,15 +2030,20 @@ setitemdata:
}
if (dup) {
int level = LOG_DEBUG;
if (warndup)
level = LOG_WARNING;
int level = LOG_WARNING;
/* If one is SI_RELOAD and the other is SI_EARLYSOCK then it's
* not unexpected so only LOG_DEBUG */
if (((seqitem_copy.flags | seqitemflags) & SI_RELOAD) &&
((seqitem_copy.flags | seqitemflags) & SI_EARLYSOCK))
level = LOG_DEBUG;
btu64_to_buf(&n_seqstt, t_buf, sizeof(t_buf));
bt_to_buf(&(cd->tv_sec), t_buf2, sizeof(t_buf2));
LOGMSG(level, "SEQ dup %s %"PRIu64" set %d/%"PRIu64"=%s/%"PRIu64
" %s/%s v%"PRIu64"/^%"PRIu64"/M%"PRIu64
"/T%"PRIu64"/L%"PRIu64"/S%"PRIu64"/H%"PRIu64
"/OK%"PRIu64" cmd=%.42s...",
LOGMSG(level, "SEQ dup%s %c:%c %s %"PRIu64" set %d/%"PRIu64
"=%s/%"PRIu64" %s/%s v%"PRIu64"/^%"PRIu64
"/M%"PRIu64"/T%"PRIu64"/L%"PRIu64"/S%"PRIu64
"/H%"PRIu64"/OK%"PRIu64" cmd=%.42s...",
(level == LOG_DEBUG) ? "*" : EMPTY,
SICHR(seqitemflags), SICHR(seqitem_copy.flags),
nam, n_seqcmd, set, n_seqstt, t_buf, n_seqpid,
t_buf2, code,
seqset_copy.seqdata[seq].minseq,
@ -2009,15 +2059,12 @@ setitemdata:
}
if (wastrans) {
int level = LOG_DEBUG;
if (warndup)
level = LOG_WARNING;
btu64_to_buf(&n_seqstt, t_buf, sizeof(t_buf));
bt_to_buf(&(cd->tv_sec), t_buf2, sizeof(t_buf2));
LOGMSG(level, "SEQ found trans %s %"PRIu64" set %d/%"PRIu64
"=%s/%"PRIu64" %s/%s",
nam, n_seqcmd, set, n_seqstt, t_buf, n_seqpid,
t_buf2, code);
LOGWARNING("SEQ found trans %s %"PRIu64" set %d/%"PRIu64
"=%s/%"PRIu64" %s/%s",
nam, n_seqcmd, set, n_seqstt, t_buf, n_seqpid,
t_buf2, code);
}
if (gotstale || gotstalestart || gothigh) {
@ -2080,13 +2127,13 @@ setitemdata:
static enum cmd_values process_seq(K_ITEM *seqall, int which, tv_t *cd,
tv_t *now, char *msg, K_TREE *trf_root,
bool wantauth)
bool wantauth, int seqitemflags)
{
uint64_t n_seqall, n_seqstt, n_seqpid, n_seqcmd;
K_ITEM *seqstt, *seqpid, *seqcmd, *i_code;
char *err = NULL, *st = NULL;
size_t len, off;
bool dupall, dupcmd, warndup;
bool dupall, dupcmd;
char *code = NULL;
char buf[64];
@ -2169,19 +2216,10 @@ static enum cmd_values process_seq(K_ITEM *seqall, int which, tv_t *cd,
code = EMPTY;
}
if (!startup_complete)
warndup = true;
else {
if (reload_queue_complete)
warndup = true;
else
warndup = false;
}
dupall = update_seq(SEQ_ALL, n_seqall, n_seqstt, n_seqpid, SEQALL,
now, cd, code, warndup, msg);
now, cd, code, seqitemflags, msg);
dupcmd = update_seq(ckdb_cmds[which].seq, n_seqcmd, n_seqstt, n_seqpid,
buf, now, cd, code, warndup, msg);
buf, now, cd, code, seqitemflags, msg);
if (dupall != dupcmd) {
// Bad/corrupt data or a code bug
@ -2212,7 +2250,8 @@ static enum cmd_values process_seq(K_ITEM *seqall, int which, tv_t *cd,
static enum cmd_values breakdown(K_TREE **trf_root, K_STORE **trf_store,
char *buf, int *which_cmds, char *cmd,
char *id, tv_t *now, tv_t *cd, bool wantauth)
char *id, tv_t *now, tv_t *cd, bool wantauth,
int seqitemflags)
{
char reply[1024] = "";
TRANSFER *transfer;
@ -2530,7 +2569,7 @@ static enum cmd_values breakdown(K_TREE **trf_root, K_STORE **trf_store,
if (seqall) {
enum cmd_values ret;
ret = process_seq(seqall, *which_cmds, cd, now, buf,
*trf_root, wantauth);
*trf_root, wantauth, seqitemflags);
free(cmdptr);
return ret;
} else {
@ -3594,10 +3633,13 @@ static void *socketer(__maybe_unused void *arg)
else
LOGDEBUG("Duplicate '%s' message received", duptype);
} else {
int seqitemflags = SI_SOCKET;
if (!reload_queue_complete)
seqitemflags = SI_EARLYSOCK;
LOGQUE(buf);
cmdnum = breakdown(&trf_root, &trf_store, buf,
&which_cmds, cmd, id, &now,
&cd, true);
&cd, true, seqitemflags);
switch (cmdnum) {
case CMD_DUPSEQ:
snprintf(reply, sizeof(reply), "%s.%ld.dup.", id, now.tv_sec);
@ -3902,7 +3944,7 @@ static void *socketer(__maybe_unused void *arg)
return NULL;
}
static bool reload_line(PGconn *conn, char *filename, uint64_t count, char *buf)
static void reload_line(PGconn *conn, char *filename, uint64_t count, char *buf)
{
char cmd[CMD_SIZ+1], id[ID_SIZ+1];
enum cmd_values cmdnum;
@ -3913,7 +3955,7 @@ static bool reload_line(PGconn *conn, char *filename, uint64_t count, char *buf)
TRANSFER *transfer;
K_ITEM *item;
tv_t now, cd;
bool finished;
bool matched;
// Once we've read the message
setnow(&now);
@ -3929,19 +3971,19 @@ static bool reload_line(PGconn *conn, char *filename, uint64_t count, char *buf)
else
LOGERR("%s() Empty message line %"PRIu64, __func__, count);
} else {
finished = false;
matched = false;
ck_wlock(&fpm_lock);
if (first_pool_message && strcmp(first_pool_message, buf) == 0)
finished = true;
if (first_pool_message && strcmp(first_pool_message, buf) == 0) {
matched = true;
FREENULL(first_pool_message);
}
ck_wunlock(&fpm_lock);
if (finished) {
if (matched)
LOGERR("%s() reload ckpool queue match at line %"PRIu64, __func__, count);
return true;
}
LOGQUE(buf);
cmdnum = breakdown(&trf_root, &trf_store, buf, &which_cmds,
cmd, id, &now, &cd, false);
cmd, id, &now, &cd, false, SI_RELOAD);
switch (cmdnum) {
// Don't ever attempt to double process reload data
case CMD_DUPSEQ:
@ -4029,8 +4071,6 @@ static bool reload_line(PGconn *conn, char *filename, uint64_t count, char *buf)
}
tick();
return false;
}
// 10Mb for now - transactiontree can be large
@ -4112,10 +4152,10 @@ static bool reload_from(tv_t *start)
PGconn *conn = NULL;
char buf[DATE_BUFSIZ+1], run[DATE_BUFSIZ+1];
size_t rflen = strlen(restorefrom);
char *missingfirst = NULL, *missinglast = NULL;
char *missingfirst = NULL, *missinglast = NULL, *st = NULL;
int missing_count;
int processing;
bool finished = false, matched = false, ret = true, ok, apipe = false;
bool finished = false, ret = true, ok, apipe = false;
char *filename = NULL;
uint64_t count, total;
tv_t now, begin;
@ -4160,8 +4200,9 @@ static bool reload_from(tv_t *start)
* aborting early and not get the few slightly later out of
* order messages in the log file */
while (!everyone_die &&
logline(reload_buf, MAX_READ, fp, filename))
matched = reload_line(conn, filename, ++count, reload_buf);
logline(reload_buf, MAX_READ, fp, filename)) {
reload_line(conn, filename, ++count, reload_buf);
}
LOGWARNING("%s(): %sread %"PRIu64" line%s from %s",
__func__,
@ -4244,16 +4285,14 @@ static bool reload_from(tv_t *start)
if (everyone_die)
return true;
if (!matched) {
ck_wlock(&fpm_lock);
if (first_pool_message) {
LOGERR("%s() reload completed without finding ckpool queue match '%.32s'...",
__func__, first_pool_message);
LOGERR("%s() restart ckdb to resolve this", __func__);
ret = false;
}
ck_wunlock(&fpm_lock);
ck_wlock(&fpm_lock);
if (first_pool_message) {
LOGERR("%s() reload didn't finding first ckpool queue '%.32s...",
__func__, st = safe_text(first_pool_message));
FREENULL(st);
FREENULL(first_pool_message);
}
ck_wunlock(&fpm_lock);
reloading = false;
FREENULL(reload_buf);

18
src/ckdb.h
Unescape View File

@ -55,7 +55,7 @@
#define DB_VLOCK "1"
#define DB_VERSION "1.0.0"
#define CKDB_VERSION DB_VERSION"-1.076"
#define CKDB_VERSION DB_VERSION"-1.077"
#define WHERE_FFL " - from %s %s() line %d"
#define WHERE_FFL_HERE __FILE__, __func__, __LINE__
@ -860,7 +860,23 @@ enum seq_num {
// Ensure size is a (multiple of 8)-1
#define SEQ_CODE 15
#define SICHR(_sif) (((_sif) == SI_EARLYSOCK) ? 'E' : \
(((_sif) == SI_RELOAD) ? 'R' : \
(((_sif) == SI_SOCKET) ? 'S' : '?')))
// Msg from the socket before startup completed - ignore if it was a DUP
#define SI_EARLYSOCK 1
// Msg was from reload
#define SI_RELOAD 2
// Msg from the socket after startup completed
#define SI_SOCKET 4
/* An SI_EARLYSOCK item vs an SI_RELOAD item is not considered a DUP
* since the reload reads to the end of the reload file after
* the match between the queue and the reload has been found */
typedef struct seqitem {
int flags;
tv_t cd; // sec:0=missing, usec:0=miss !0=trans
tv_t time;
char code[SEQ_CODE+1];

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