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ctdb-daemon: Use refactored tunable code

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Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This commit is contained in:
Amitay Isaacs 2016-07-07 17:04:32 +10:00 committed by Amitay Isaacs
parent f79be2ee4c
commit abd5d7c8fd
1 changed files with 18 additions and 108 deletions
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126
ctdb/server/ctdb_tunables.c
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@ -28,97 +28,28 @@
#include "common/common.h" #include "common/common.h"
#include "common/logging.h" #include "common/logging.h"
#include "common/tunable.h"
static const struct {
const char *name;
uint32_t default_v;
size_t offset;
bool obsolete;
} tunable_map[] = {
{ "MaxRedirectCount", 3, offsetof(struct ctdb_tunable_list, max_redirect_count), true },
{ "SeqnumInterval", 1000, offsetof(struct ctdb_tunable_list, seqnum_interval), false },
{ "ControlTimeout", 60, offsetof(struct ctdb_tunable_list, control_timeout), false },
{ "TraverseTimeout", 20, offsetof(struct ctdb_tunable_list, traverse_timeout), false },
{ "KeepaliveInterval", 5, offsetof(struct ctdb_tunable_list, keepalive_interval), false },
{ "KeepaliveLimit", 5, offsetof(struct ctdb_tunable_list, keepalive_limit), false },
{ "RecoverTimeout", 30, offsetof(struct ctdb_tunable_list, recover_timeout), false },
{ "RecoverInterval", 1, offsetof(struct ctdb_tunable_list, recover_interval), false },
{ "ElectionTimeout", 3, offsetof(struct ctdb_tunable_list, election_timeout), false },
{ "TakeoverTimeout", 9, offsetof(struct ctdb_tunable_list, takeover_timeout), false },
{ "MonitorInterval", 15, offsetof(struct ctdb_tunable_list, monitor_interval), false },
{ "TickleUpdateInterval",20, offsetof(struct ctdb_tunable_list, tickle_update_interval), false },
{ "EventScriptTimeout", 30, offsetof(struct ctdb_tunable_list, script_timeout), false },
{ "MonitorTimeoutCount", 20, offsetof(struct ctdb_tunable_list, monitor_timeout_count), false },
{ "EventScriptUnhealthyOnTimeout", 0, offsetof(struct ctdb_tunable_list, script_unhealthy_on_timeout), true },
{ "RecoveryGracePeriod", 120, offsetof(struct ctdb_tunable_list, recovery_grace_period), false },
{ "RecoveryBanPeriod", 300, offsetof(struct ctdb_tunable_list, recovery_ban_period), false },
{ "DatabaseHashSize", 100001, offsetof(struct ctdb_tunable_list, database_hash_size), false },
{ "DatabaseMaxDead", 5, offsetof(struct ctdb_tunable_list, database_max_dead), false },
{ "RerecoveryTimeout", 10, offsetof(struct ctdb_tunable_list, rerecovery_timeout), false },
{ "EnableBans", 1, offsetof(struct ctdb_tunable_list, enable_bans), false },
{ "DeterministicIPs", 0, offsetof(struct ctdb_tunable_list, deterministic_public_ips), false },
{ "LCP2PublicIPs", 1, offsetof(struct ctdb_tunable_list, lcp2_public_ip_assignment), false },
{ "ReclockPingPeriod", 60, offsetof(struct ctdb_tunable_list, reclock_ping_period), true },
{ "NoIPFailback", 0, offsetof(struct ctdb_tunable_list, no_ip_failback), false },
{ "DisableIPFailover", 0, offsetof(struct ctdb_tunable_list, disable_ip_failover), false },
{ "VerboseMemoryNames", 0, offsetof(struct ctdb_tunable_list, verbose_memory_names), false },
{ "RecdPingTimeout", 60, offsetof(struct ctdb_tunable_list, recd_ping_timeout), false },
{ "RecdFailCount", 10, offsetof(struct ctdb_tunable_list, recd_ping_failcount), false },
{ "LogLatencyMs", 0, offsetof(struct ctdb_tunable_list, log_latency_ms), false },
{ "RecLockLatencyMs", 1000, offsetof(struct ctdb_tunable_list, reclock_latency_ms), false },
{ "RecoveryDropAllIPs", 120, offsetof(struct ctdb_tunable_list, recovery_drop_all_ips), false },
{ "VerifyRecoveryLock", 1, offsetof(struct ctdb_tunable_list, verify_recovery_lock), true },
{ "VacuumInterval", 10, offsetof(struct ctdb_tunable_list, vacuum_interval), false },
{ "VacuumMaxRunTime", 120, offsetof(struct ctdb_tunable_list, vacuum_max_run_time), false },
{ "RepackLimit", 10000, offsetof(struct ctdb_tunable_list, repack_limit), false },
{ "VacuumLimit", 5000, offsetof(struct ctdb_tunable_list, vacuum_limit), false },
{ "VacuumFastPathCount", 60, offsetof(struct ctdb_tunable_list, vacuum_fast_path_count), false },
{ "MaxQueueDropMsg", 1000000, offsetof(struct ctdb_tunable_list, max_queue_depth_drop_msg), false },
{ "AllowUnhealthyDBRead", 0, offsetof(struct ctdb_tunable_list, allow_unhealthy_db_read), false },
{ "StatHistoryInterval", 1, offsetof(struct ctdb_tunable_list, stat_history_interval), false },
{ "DeferredAttachTO", 120, offsetof(struct ctdb_tunable_list, deferred_attach_timeout), false },
{ "AllowClientDBAttach", 1, offsetof(struct ctdb_tunable_list, allow_client_db_attach), false },
{ "RecoverPDBBySeqNum", 1, offsetof(struct ctdb_tunable_list, recover_pdb_by_seqnum), false },
{ "DeferredRebalanceOnNodeAdd", 300, offsetof(struct ctdb_tunable_list, deferred_rebalance_on_node_add), true },
{ "FetchCollapse", 1, offsetof(struct ctdb_tunable_list, fetch_collapse), false },
{ "HopcountMakeSticky", 50, offsetof(struct ctdb_tunable_list, hopcount_make_sticky), false },
{ "StickyDuration", 600, offsetof(struct ctdb_tunable_list, sticky_duration), false },
{ "StickyPindown", 200, offsetof(struct ctdb_tunable_list, sticky_pindown), false },
{ "NoIPTakeover", 0, offsetof(struct ctdb_tunable_list, no_ip_takeover), false },
{ "DBRecordCountWarn", 100000, offsetof(struct ctdb_tunable_list, db_record_count_warn), false },
{ "DBRecordSizeWarn", 10000000, offsetof(struct ctdb_tunable_list, db_record_size_warn), false },
{ "DBSizeWarn", 100000000, offsetof(struct ctdb_tunable_list, db_size_warn), false },
{ "PullDBPreallocation", 10*1024*1024, offsetof(struct ctdb_tunable_list, pulldb_preallocation_size), false },
{ "NoIPHostOnAllDisabled", 0, offsetof(struct ctdb_tunable_list, no_ip_host_on_all_disabled), false },
{ "Samba3AvoidDeadlocks", 0, offsetof(struct ctdb_tunable_list, samba3_hack), true },
{ "TDBMutexEnabled", 0, offsetof(struct ctdb_tunable_list, mutex_enabled), false },
{ "LockProcessesPerDB", 200, offsetof(struct ctdb_tunable_list, lock_processes_per_db), false },
{ "RecBufferSizeLimit", 1000000, offsetof(struct ctdb_tunable_list, rec_buffer_size_limit), false },
};
/* /*
set all tunables to defaults set all tunables to defaults
*/ */
void ctdb_tunables_set_defaults(struct ctdb_context *ctdb) void ctdb_tunables_set_defaults(struct ctdb_context *ctdb)
{ {
int i; ctdb_tunable_set_defaults(&ctdb->tunable);
for (i=0;i<ARRAY_SIZE(tunable_map);i++) {
*(uint32_t *)(tunable_map[i].offset + (uint8_t*)&ctdb->tunable) = tunable_map[i].default_v;
}
} }
/* /*
get a tunable get a tunable
*/ */
int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata, int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
TDB_DATA *outdata) TDB_DATA *outdata)
{ {
struct ctdb_control_get_tunable *t = struct ctdb_control_get_tunable *t =
(struct ctdb_control_get_tunable *)indata.dptr; (struct ctdb_control_get_tunable *)indata.dptr;
char *name; char *name;
uint32_t val; uint32_t val;
int i; bool ret;
if (indata.dsize < sizeof(*t) || if (indata.dsize < sizeof(*t) ||
t->length > indata.dsize - offsetof(struct ctdb_control_get_tunable, name)) { t->length > indata.dsize - offsetof(struct ctdb_control_get_tunable, name)) {
@ -129,17 +60,12 @@ int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
name = talloc_strndup(ctdb, (char*)t->name, t->length); name = talloc_strndup(ctdb, (char*)t->name, t->length);
CTDB_NO_MEMORY(ctdb, name); CTDB_NO_MEMORY(ctdb, name);
for (i=0;i<ARRAY_SIZE(tunable_map);i++) { ret = ctdb_tunable_get_value(&ctdb->tunable, name, &val);
if (strcasecmp(name, tunable_map[i].name) == 0) break;
}
talloc_free(name); talloc_free(name);
if (! ret) {
if (i == ARRAY_SIZE(tunable_map)) {
return -EINVAL; return -EINVAL;
} }
val = *(uint32_t *)(tunable_map[i].offset + (uint8_t*)&ctdb->tunable);
outdata->dptr = (uint8_t *)talloc(outdata, uint32_t); outdata->dptr = (uint8_t *)talloc(outdata, uint32_t);
CTDB_NO_MEMORY(ctdb, outdata->dptr); CTDB_NO_MEMORY(ctdb, outdata->dptr);
@ -158,7 +84,8 @@ int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata)
struct ctdb_tunable_old *t = struct ctdb_tunable_old *t =
(struct ctdb_tunable_old *)indata.dptr; (struct ctdb_tunable_old *)indata.dptr;
char *name; char *name;
int i; int ret;
bool obsolete;
if (indata.dsize < sizeof(*t) || if (indata.dsize < sizeof(*t) ||
t->length > indata.dsize - offsetof(struct ctdb_tunable_old, name)) { t->length > indata.dsize - offsetof(struct ctdb_tunable_old, name)) {
@ -169,25 +96,21 @@ int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata)
name = talloc_strndup(ctdb, (char *)t->name, t->length); name = talloc_strndup(ctdb, (char *)t->name, t->length);
CTDB_NO_MEMORY(ctdb, name); CTDB_NO_MEMORY(ctdb, name);
for (i=0;i<ARRAY_SIZE(tunable_map);i++) { ret = ctdb_tunable_set_value(&ctdb->tunable, name, t->value,
if (strcasecmp(name, tunable_map[i].name) == 0) break; &obsolete);
} if (! ret) {
talloc_free(name);
talloc_free(name);
if (i == ARRAY_SIZE(tunable_map)) {
return -1; return -1;
} }
*(uint32_t *)(tunable_map[i].offset + (uint8_t*)&ctdb->tunable) = t->value; if (obsolete) {
if (tunable_map[i].obsolete) {
DEBUG(DEBUG_WARNING, DEBUG(DEBUG_WARNING,
("Setting obsolete tunable \"%s\"\n", ("Setting obsolete tunable \"%s\"\n", name));
tunable_map[i].name)); talloc_free(name);
return 1; return 1;
} }
talloc_free(name);
return 0; return 0;
} }
@ -197,24 +120,11 @@ int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata)
int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata) int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata)
{ {
char *list = NULL; char *list = NULL;
int i;
struct ctdb_control_list_tunable *t; struct ctdb_control_list_tunable *t;
list = talloc_strdup(outdata, ":"); list = ctdb_tunable_names_to_string(outdata);
CTDB_NO_MEMORY(ctdb, list); CTDB_NO_MEMORY(ctdb, list);
for (i=0; i<ARRAY_SIZE(tunable_map); i++) {
if (tunable_map[i].obsolete) {
continue;
}
list = talloc_asprintf_append(list, "%s:",
tunable_map[i].name);
CTDB_NO_MEMORY(ctdb, list);
}
/* cut the last ':' */
list[strlen(list)-1] = '\0';
outdata->dsize = offsetof(struct ctdb_control_list_tunable, data) + outdata->dsize = offsetof(struct ctdb_control_list_tunable, data) +
strlen(list) + 1; strlen(list) + 1;
outdata->dptr = talloc_size(outdata, outdata->dsize); outdata->dptr = talloc_size(outdata, outdata->dsize);