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-rw-r--r--xlators/cluster/dht/src/tier.c481
1 files changed, 396 insertions, 85 deletions
diff --git a/xlators/cluster/dht/src/tier.c b/xlators/cluster/dht/src/tier.c
index c93281bc785..397ac6b86ad 100644
--- a/xlators/cluster/dht/src/tier.c
+++ b/xlators/cluster/dht/src/tier.c
@@ -118,6 +118,120 @@ out:
return ret;
}
+int
+tier_do_migration (xlator_t *this, int promote)
+{
+ gf_defrag_info_t *defrag = NULL;
+ dht_conf_t *conf = NULL;
+ long rand = 0;
+ int migrate = 0;
+ gf_tier_conf_t *tier_conf = NULL;
+
+ conf = this->private;
+ if (!conf)
+ goto exit;
+
+ defrag = conf->defrag;
+ if (!defrag)
+ goto exit;
+
+ if (defrag->tier_conf.mode != TIER_MODE_WM) {
+ migrate = 1;
+ goto exit;
+ }
+
+ tier_conf = &defrag->tier_conf;
+
+ switch (tier_conf->watermark_last) {
+ case TIER_WM_LOW:
+ migrate = promote ? 1 : 0;
+ break;
+ case TIER_WM_HI:
+ migrate = promote ? 0 : 1;
+ break;
+ case TIER_WM_MID:
+ rand = random() % 100;
+ if (promote) {
+ migrate = (rand > tier_conf->percent_full);
+ } else {
+ migrate = (rand <= tier_conf->percent_full);
+ }
+ break;
+ }
+
+exit:
+ return migrate;
+}
+
+int
+tier_check_watermark (xlator_t *this, loc_t *root_loc)
+{
+ tier_watermark_op_t wm = TIER_WM_NONE;
+ int ret = -1;
+ gf_defrag_info_t *defrag = NULL;
+ dht_conf_t *conf = NULL;
+ dict_t *xdata = NULL;
+ struct statvfs statfs = {0, };
+ gf_tier_conf_t *tier_conf = NULL;
+
+ conf = this->private;
+ if (!conf)
+ goto exit;
+
+ defrag = conf->defrag;
+ if (!defrag)
+ goto exit;
+
+ tier_conf = &defrag->tier_conf;
+
+ if (tier_conf->mode != TIER_MODE_WM) {
+ ret = 0;
+ goto exit;
+ }
+
+ /* Find how much free space is on the hot subvolume. Then see if that value */
+ /* is less than or greater than user defined watermarks. Stash results in */
+ /* the tier_conf data structure. */
+ ret = syncop_statfs (conf->subvolumes[1], root_loc, &statfs,
+ xdata, NULL);
+ if (ret) {
+ gf_msg (this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_LOG_TIER_STATUS,
+ "Unable to obtain statfs.");
+ goto exit;
+ }
+
+ pthread_mutex_lock (&dm_stat_mutex);
+
+ tier_conf->blocks_total = statfs.f_blocks;
+ tier_conf->blocks_used = statfs.f_blocks - statfs.f_bfree;
+
+ tier_conf->percent_full = (100 * tier_conf->blocks_used) /
+ statfs.f_blocks;
+ pthread_mutex_unlock (&dm_stat_mutex);
+
+ if (tier_conf->percent_full < tier_conf->watermark_low) {
+ wm = TIER_WM_LOW;
+
+ } else if (tier_conf->percent_full < tier_conf->watermark_hi) {
+ wm = TIER_WM_MID;
+
+ } else {
+ wm = TIER_WM_HI;
+ }
+
+ if (wm != tier_conf->watermark_last) {
+
+ tier_conf->watermark_last = wm;
+ gf_msg (this->name, GF_LOG_INFO, 0,
+ DHT_MSG_LOG_TIER_STATUS,
+ "Tier watermark now %d", wm);
+ }
+
+exit:
+ return ret;
+}
+
static int
tier_migrate_using_query_file (void *_args)
{
@@ -145,6 +259,8 @@ tier_migrate_using_query_file (void *_args)
char *link_str = NULL;
xlator_t *src_subvol = NULL;
dht_conf_t *conf = NULL;
+ uint64_t total_migrated_bytes = 0;
+ int total_files = 0;
GF_VALIDATE_OR_GOTO ("tier", query_cbk_args, out);
GF_VALIDATE_OR_GOTO ("tier", query_cbk_args->this, out);
@@ -159,14 +275,20 @@ tier_migrate_using_query_file (void *_args)
queryFILE = query_cbk_args->queryFILE;
- query_record = gfdb_query_record_init();
+ query_record = gfdb_query_record_init ();
if (!query_record) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_LOG_TIER_ERROR,
+ "Call to gfdb_query_record_init() failed.");
goto out;
}
query_record->_link_info_str = GF_CALLOC (1, DB_QUERY_RECORD_SIZE,
gf_common_mt_char);
if (!query_record->_link_info_str) {
+ gf_msg (this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_LOG_TIER_ERROR,
+ "Allocating query record link info string failed.");
goto out;
}
link_buffer = query_record->_link_info_str;
@@ -195,13 +317,14 @@ tier_migrate_using_query_file (void *_args)
continue;
}
+ if (!tier_do_migration (this, query_cbk_args->is_promotion))
+ continue;
+
gf_uuid_parse (gfid_str, query_record->gfid);
- if (dict_get(migrate_data, GF_XATTR_FILE_MIGRATE_KEY))
- dict_del(migrate_data, GF_XATTR_FILE_MIGRATE_KEY);
+ dict_del (migrate_data, GF_XATTR_FILE_MIGRATE_KEY);
- if (dict_get(migrate_data, "from.migrator"))
- dict_del(migrate_data, "from.migrator");
+ dict_del (migrate_data, "from.migrator");
token_str = strtok (link_buffer, delimiter);
if (token_str != NULL) {
@@ -239,6 +362,7 @@ tier_migrate_using_query_file (void *_args)
}
per_link_status = 0;
+
/* Per link of file */
while (token_str != NULL) {
@@ -274,9 +398,9 @@ tier_migrate_using_query_file (void *_args)
ret = syncop_lookup (this, &p_loc, &par_stbuf, NULL,
NULL, NULL);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
+ gf_msg (this->name, GF_LOG_ERROR, -ret,
DHT_MSG_LOG_TIER_ERROR,
- " ERROR in parent lookup\n");
+ " Error in parent lookup\n");
per_link_status = -1;
goto abort;
}
@@ -288,7 +412,7 @@ tier_migrate_using_query_file (void *_args)
gf_uuid_copy (loc.gfid, query_record->gfid);
loc.inode = inode_new (defrag->root_inode->table);
gf_uuid_copy (loc.pargfid, link_info->pargfid);
- loc.parent = inode_ref(p_loc.inode);
+ loc.parent = inode_ref (p_loc.inode);
loc.name = gf_strdup (link_info->file_name);
if (!loc.name) {
@@ -329,7 +453,10 @@ tier_migrate_using_query_file (void *_args)
* should be. It means another brick moved the file
* so is not an error.
*/
- src_subvol = dht_subvol_get_cached(this, loc.inode);
+ src_subvol = dht_subvol_get_cached (this, loc.inode);
+
+ if (src_subvol == NULL)
+ goto abort;
if (query_cbk_args->is_promotion &&
src_subvol == conf->subvolumes[1]) {
@@ -367,18 +494,48 @@ tier_migrate_using_query_file (void *_args)
goto abort;
}
- if (query_cbk_args->is_promotion)
+ if (query_cbk_args->is_promotion) {
defrag->total_files_promoted++;
- else
+ total_migrated_bytes +=
+ defrag->tier_conf.st_last_promoted_size;
+ pthread_mutex_lock (&dm_stat_mutex);
+ defrag->tier_conf.blocks_used +=
+ defrag->tier_conf.st_last_promoted_size;
+ pthread_mutex_unlock (&dm_stat_mutex);
+ } else {
defrag->total_files_demoted++;
+ total_migrated_bytes +=
+ defrag->tier_conf.st_last_demoted_size;
+ pthread_mutex_lock (&dm_stat_mutex);
+ defrag->tier_conf.blocks_used -=
+ defrag->tier_conf.st_last_demoted_size;
+ pthread_mutex_unlock (&dm_stat_mutex);
+ }
+ if (defrag->tier_conf.blocks_total) {
+ pthread_mutex_lock (&dm_stat_mutex);
+ defrag->tier_conf.percent_full =
+ (100 * defrag->tier_conf.blocks_used) /
+ defrag->tier_conf.blocks_total;
+ pthread_mutex_unlock (&dm_stat_mutex);
+ }
abort:
-
loc_wipe(&loc);
loc_wipe(&p_loc);
token_str = NULL;
token_str = strtok (NULL, delimiter);
GF_FREE (link_str);
+
+ if ((++total_files > defrag->tier_conf.max_migrate_files) ||
+ (total_migrated_bytes > defrag->tier_conf.max_migrate_bytes)) {
+ gf_msg (this->name, GF_LOG_INFO, 0,
+ DHT_MSG_LOG_TIER_STATUS,
+ "Reached cycle migration limit."
+ "migrated bytes %"PRId64" files %d",
+ total_migrated_bytes,
+ total_files);
+ goto out;
+ }
}
per_file_status = per_link_status;
per_file_out:
@@ -421,7 +578,7 @@ tier_gf_query_callback (gfdb_query_record_t *gfdb_query_record,
GF_VALIDATE_OR_GOTO ("tier", query_cbk_args->queryFILE, out);
gf_uuid_unparse (gfdb_query_record->gfid, gfid_str);
- fprintf (query_cbk_args->queryFILE, "%s|%s|%ld\n", gfid_str,
+ fprintf (query_cbk_args->queryFILE, "%s|%s|%zd\n", gfid_str,
gfdb_query_record->_link_info_str,
gfdb_query_record->link_info_size);
@@ -439,7 +596,7 @@ out:
/*Create query file in tier process*/
static int
-tier_process_self_query (brick_list_t *local_brick, void *args)
+tier_process_self_query (tier_brick_list_t *local_brick, void *args)
{
int ret = -1;
char *db_path = NULL;
@@ -480,7 +637,7 @@ tier_process_self_query (brick_list_t *local_brick, void *args)
db_path, ret, out);
/*Get the db connection*/
- conn_node = gfdb_methods.init_db((void *)params_dict, dht_tier_db_type);
+ conn_node = gfdb_methods.init_db ((void *)params_dict, dht_tier_db_type);
if (!conn_node) {
gf_msg (this->name, GF_LOG_ERROR, 0,
DHT_MSG_LOG_TIER_ERROR,
@@ -489,8 +646,8 @@ tier_process_self_query (brick_list_t *local_brick, void *args)
}
/*Query for eligible files from db*/
- query_cbk_args->queryFILE = fopen(GET_QFILE_PATH
- (gfdb_brick_dict_info->_gfdb_promote), "a+");
+ query_cbk_args->queryFILE = fopen (
+ GET_QFILE_PATH (gfdb_brick_dict_info->_gfdb_promote), "a+");
if (!query_cbk_args->queryFILE) {
gf_msg (this->name, GF_LOG_ERROR, errno,
DHT_MSG_LOG_TIER_ERROR,
@@ -593,7 +750,7 @@ out:
/*Ask CTR to create the query file*/
static int
-tier_process_ctr_query (brick_list_t *local_brick, void *args)
+tier_process_ctr_query (tier_brick_list_t *local_brick, void *args)
{
int ret = -1;
query_cbk_args_t *query_cbk_args = NULL;
@@ -721,7 +878,7 @@ out:
* It picks up each bricks db and queries for eligible files for migration.
* The list of eligible files are populated in appropriate query files*/
static int
-tier_process_brick (brick_list_t *local_brick, void *args) {
+tier_process_brick (tier_brick_list_t *local_brick, void *args) {
int ret = -1;
dict_t *ctr_ipc_in_dict = NULL;
dict_t *ctr_ipc_out_dict = NULL;
@@ -835,7 +992,7 @@ tier_build_migration_qfile (demotion_args_t *args,
_gfdb_brick_dict_info_t gfdb_brick_dict_info;
gfdb_time_t time_in_past;
int ret = -1;
- brick_list_t *local_brick = NULL;
+ tier_brick_list_t *local_brick = NULL;
/*
* The first time this function is called, query file will
@@ -930,8 +1087,8 @@ tier_demote (void *args)
query_cbk_args.is_promotion = 0;
/*Build the query file using bricklist*/
- ret = tier_build_migration_qfile(demotion_args, &query_cbk_args,
- _gf_false);
+ ret = tier_build_migration_qfile (demotion_args, &query_cbk_args,
+ _gf_false);
if (ret)
goto out;
@@ -968,8 +1125,8 @@ static void
query_cbk_args.is_promotion = 1;
/*Build the query file using bricklist*/
- ret = tier_build_migration_qfile(promotion_args, &query_cbk_args,
- _gf_true);
+ ret = tier_build_migration_qfile (promotion_args, &query_cbk_args,
+ _gf_true);
if (ret)
goto out;
@@ -995,7 +1152,7 @@ tier_get_bricklist (xlator_t *xl, struct list_head *local_bricklist_head)
char *brickname = NULL;
char db_name[PATH_MAX] = "";
int ret = 0;
- brick_list_t *local_brick = NULL;
+ tier_brick_list_t *local_brick = NULL;
GF_VALIDATE_OR_GOTO ("tier", xl, out);
GF_VALIDATE_OR_GOTO ("tier", local_bricklist_head, out);
@@ -1007,19 +1164,19 @@ tier_get_bricklist (xlator_t *xl, struct list_head *local_bricklist_head)
* those running on the same node as the tier daemon.
*/
if (strcmp(xl->type, "protocol/client") == 0) {
- ret = dict_get_str(xl->options, "remote-host", &rh);
+ ret = dict_get_str (xl->options, "remote-host", &rh);
if (ret < 0)
goto out;
- if (gf_is_local_addr (rh)) {
+ if (gf_is_local_addr (rh)) {
- local_brick = GF_CALLOC (1, sizeof(brick_list_t),
+ local_brick = GF_CALLOC (1, sizeof(tier_brick_list_t),
gf_tier_mt_bricklist_t);
if (!local_brick) {
goto out;
}
- ret = dict_get_str(xl->options, "remote-subvolume",
+ ret = dict_get_str (xl->options, "remote-subvolume",
&rv);
if (ret < 0)
goto out;
@@ -1052,7 +1209,7 @@ tier_get_bricklist (xlator_t *xl, struct list_head *local_bricklist_head)
}
for (child = xl->children; child; child = child->next) {
- ret = tier_get_bricklist(child->xlator, local_bricklist_head);
+ ret = tier_get_bricklist (child->xlator, local_bricklist_head);
if (ret) {
goto out;
}
@@ -1071,11 +1228,50 @@ out:
return ret;
}
+int
+tier_get_freq_demote (gf_tier_conf_t *tier_conf)
+{
+ if ((tier_conf->mode == TIER_MODE_WM) &&
+ (tier_conf->watermark_last == TIER_WM_HI))
+ return DEFAULT_DEMOTE_DEGRADED;
+ else
+ return tier_conf->tier_demote_frequency;
+}
+
+int
+tier_get_freq_promote (gf_tier_conf_t *tier_conf)
+{
+ return tier_conf->tier_promote_frequency;
+}
+
+static int
+tier_check_demote (gfdb_time_t current_time,
+ int freq_demote)
+{
+ return ((current_time.tv_sec % freq_demote) == 0) ?
+ _gf_true : _gf_false;
+}
+
+static gf_boolean_t
+tier_check_promote (gf_tier_conf_t *tier_conf,
+ gfdb_time_t current_time,
+ int freq_promote)
+{
+ if ((tier_conf->mode == TIER_MODE_WM) &&
+ (tier_conf->watermark_last == TIER_WM_HI))
+ return _gf_false;
+
+ else
+ return ((current_time.tv_sec % freq_promote) == 0) ?
+ _gf_true : _gf_false;
+}
+
+
void
clear_bricklist (struct list_head *brick_list)
{
- brick_list_t *local_brick = NULL;
- brick_list_t *temp = NULL;
+ tier_brick_list_t *local_brick = NULL;
+ tier_brick_list_t *temp = NULL;
if (list_empty(brick_list)) {
return;
@@ -1106,7 +1302,11 @@ tier_start (xlator_t *this, gf_defrag_info_t *defrag)
pthread_t promote_thread;
pthread_t demote_thread;
gf_boolean_t is_promotion_triggered = _gf_false;
- gf_boolean_t is_demotion_triggered = _gf_false;
+ gf_boolean_t is_demotion_triggered = _gf_false;
+ xlator_t *any = NULL;
+ xlator_t *xlator = NULL;
+ gf_tier_conf_t *tier_conf = NULL;
+ loc_t root_loc = { 0 };
conf = this->private;
@@ -1121,9 +1321,26 @@ tier_start (xlator_t *this, gf_defrag_info_t *defrag)
" demote %d", freq_promote, freq_demote);
defrag->defrag_status = GF_DEFRAG_STATUS_STARTED;
+ tier_conf = &defrag->tier_conf;
+
+ dht_build_root_loc (defrag->root_inode, &root_loc);
while (1) {
+ /*
+ * Check if a graph switch occured. If so, stop migration
+ * thread. It will need to be restarted manually.
+ */
+ any = THIS->ctx->active->first;
+ xlator = xlator_search_by_name (any, this->name);
+
+ if (xlator != this) {
+ gf_msg (this->name, GF_LOG_INFO, 0,
+ DHT_MSG_LOG_TIER_STATUS,
+ "Detected graph switch. Exiting migration daemon.");
+ goto out;
+ }
+
sleep(1);
if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
@@ -1146,10 +1363,6 @@ tier_start (xlator_t *this, gf_defrag_info_t *defrag)
goto out;
}
- freq_promote = defrag->tier_promote_frequency;
- freq_demote = defrag->tier_demote_frequency;
-
-
/* To have proper synchronization amongst all
* brick holding nodes, so that promotion and demotions
* start atomicly w.r.t promotion/demotion frequency
@@ -1164,18 +1377,29 @@ tier_start (xlator_t *this, gf_defrag_info_t *defrag)
goto out;
}
- is_demotion_triggered = ((current_time.tv_sec %
- freq_demote) == 0) ? _gf_true :
- _gf_false;
- is_promotion_triggered = ((current_time.tv_sec %
- freq_promote) == 0) ? _gf_true :
- _gf_false;
+ freq_demote = tier_get_freq_demote (tier_conf);
+
+ is_demotion_triggered = tier_check_demote (current_time,
+ freq_demote);
+
+ freq_promote = tier_get_freq_promote(tier_conf);
+
+ is_promotion_triggered = tier_check_promote (tier_conf,
+ current_time,
+ freq_promote);
/* If no promotion and no demotion is
- * scheduled/triggered skip a iteration */
+ * scheduled/triggered skip an iteration */
if (!is_promotion_triggered && !is_demotion_triggered)
continue;
+ ret = tier_check_watermark (this, &root_loc);
+ if (ret != 0) {
+ gf_msg (this->name, GF_LOG_CRITICAL, errno,
+ DHT_MSG_LOG_TIER_ERROR,
+ "Failed to get watermark");
+ goto out;
+ }
ret_promotion = -1;
ret_demotion = -1;
@@ -1283,8 +1507,8 @@ tier_migration_get_dst (xlator_t *this, dht_local_t *local)
int32_t ret = -1;
gf_defrag_info_t *defrag = NULL;
- GF_VALIDATE_OR_GOTO("tier", this, out);
- GF_VALIDATE_OR_GOTO(this->name, this->private, out);
+ GF_VALIDATE_OR_GOTO ("tier", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, this->private, out);
conf = this->private;
@@ -1318,10 +1542,10 @@ tier_search (xlator_t *this, dht_layout_t *layout, const char *name)
int layout_cold = 0;
int layout_hot = 1;
- GF_VALIDATE_OR_GOTO("tier", this, out);
- GF_VALIDATE_OR_GOTO(this->name, layout, out);
- GF_VALIDATE_OR_GOTO(this->name, name, out);
- GF_VALIDATE_OR_GOTO(this->name, this->private, out);
+ GF_VALIDATE_OR_GOTO ("tier", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, layout, out);
+ GF_VALIDATE_OR_GOTO (this->name, name, out);
+ GF_VALIDATE_OR_GOTO (this->name, this->private, out);
conf = this->private;
@@ -1375,7 +1599,7 @@ tier_load_externals (xlator_t *this)
char *libpathfull = (LIBDIR "/libgfdb.so.0");
get_gfdb_methods_t get_gfdb_methods;
- GF_VALIDATE_OR_GOTO("this", this, out);
+ GF_VALIDATE_OR_GOTO ("this", this, out);
libhandle = dlopen (libpathfull, RTLD_NOW);
if (!libhandle) {
@@ -1406,6 +1630,20 @@ out:
return ret;
}
+static
+int tier_validate_mode (char *mode)
+{
+ int ret = -1;
+
+ if (strcmp (mode, "test") == 0) {
+ ret = TIER_MODE_TEST;
+ } else {
+ ret = TIER_MODE_WM;
+ }
+
+ return ret;
+}
+
int
tier_init (xlator_t *this)
{
@@ -1414,10 +1652,11 @@ tier_init (xlator_t *this)
dht_conf_t *conf = NULL;
gf_defrag_info_t *defrag = NULL;
char *voldir = NULL;
+ char *mode = NULL;
- ret = dht_init(this);
+ ret = dht_init (this);
if (ret) {
- gf_msg(this->name, GF_LOG_ERROR, 0,
+ gf_msg (this->name, GF_LOG_ERROR, 0,
DHT_MSG_LOG_TIER_ERROR,
"dht_init failed");
goto out;
@@ -1428,7 +1667,7 @@ tier_init (xlator_t *this)
conf->methods = &tier_methods;
if (conf->subvolume_cnt != 2) {
- gf_msg(this->name, GF_LOG_ERROR, 0,
+ gf_msg (this->name, GF_LOG_ERROR, 0,
DHT_MSG_LOG_TIER_ERROR,
"Invalid number of subvolumes %d", conf->subvolume_cnt);
goto out;
@@ -1441,7 +1680,7 @@ tier_init (xlator_t *this)
}
/* if instatiated from server side, load db libraries */
- ret = tier_load_externals(this);
+ ret = tier_load_externals (this);
if (ret) {
gf_msg(this->name, GF_LOG_ERROR, 0,
DHT_MSG_LOG_TIER_ERROR,
@@ -1451,13 +1690,15 @@ tier_init (xlator_t *this)
defrag = conf->defrag;
+ defrag->tier_conf.is_tier = 1;
+
ret = dict_get_int32 (this->options,
"tier-promote-frequency", &freq);
if (ret) {
freq = DEFAULT_PROMOTE_FREQ_SEC;
}
- defrag->tier_promote_frequency = freq;
+ defrag->tier_conf.tier_promote_frequency = freq;
ret = dict_get_int32 (this->options,
"tier-demote-frequency", &freq);
@@ -1465,7 +1706,23 @@ tier_init (xlator_t *this)
freq = DEFAULT_DEMOTE_FREQ_SEC;
}
- defrag->tier_demote_frequency = freq;
+ defrag->tier_conf.tier_demote_frequency = freq;
+
+ ret = dict_get_int32 (this->options,
+ "watermark-hi", &freq);
+ if (ret) {
+ freq = DEFAULT_WM_HI;
+ }
+
+ defrag->tier_conf.watermark_hi = freq;
+
+ ret = dict_get_int32 (this->options,
+ "watermark-low", &freq);
+ if (ret) {
+ freq = DEFAULT_WM_LOW;
+ }
+
+ defrag->tier_conf.watermark_low = freq;
ret = dict_get_int32 (this->options,
"write-freq-threshold", &freq);
@@ -1483,7 +1740,38 @@ tier_init (xlator_t *this)
defrag->read_freq_threshold = freq;
- ret = gf_asprintf(&voldir, "%s/%s",
+ ret = dict_get_int32 (this->options,
+ "tier-max-mb", &freq);
+ if (ret) {
+ freq = DEFAULT_TIER_MAX_MIGRATE_MB;
+ }
+
+ defrag->tier_conf.max_migrate_bytes = freq * 1024 * 1024;
+
+ ret = dict_get_int32 (this->options,
+ "tier-max-files", &freq);
+ if (ret) {
+ freq = DEFAULT_TIER_MAX_MIGRATE_FILES;
+ }
+
+ defrag->tier_conf.max_migrate_files = freq;
+
+ ret = dict_get_str (this->options,
+ "tier-mode", &mode);
+ if (ret) {
+ defrag->tier_conf.mode = DEFAULT_TIER_MODE;
+ } else {
+ ret = tier_validate_mode (mode);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_LOG_TIER_ERROR,
+ "tier_init failed - invalid mode");
+ goto out;
+ }
+ defrag->tier_conf.mode = ret;
+ }
+
+ ret = gf_asprintf (&voldir, "%s/%s",
DEFAULT_VAR_RUN_DIRECTORY,
this->name);
if (ret < 0)
@@ -1491,7 +1779,7 @@ tier_init (xlator_t *this)
ret = mkdir_p(voldir, 0777, _gf_true);
if (ret == -1 && errno != EEXIST) {
- gf_msg(this->name, GF_LOG_ERROR, 0,
+ gf_msg (this->name, GF_LOG_ERROR, 0,
DHT_MSG_LOG_TIER_ERROR,
"tier_init failed");
@@ -1501,37 +1789,37 @@ tier_init (xlator_t *this)
GF_FREE(voldir);
- ret = gf_asprintf(&promotion_qfile, "%s/%s/%s-%s",
- DEFAULT_VAR_RUN_DIRECTORY,
- this->name,
- PROMOTION_QFILE,
- this->name);
+ ret = gf_asprintf (&promotion_qfile, "%s/%s/%s-%s",
+ DEFAULT_VAR_RUN_DIRECTORY,
+ this->name,
+ PROMOTION_QFILE,
+ this->name);
if (ret < 0)
goto out;
- ret = gf_asprintf(&demotion_qfile, "%s/%s/%s-%s",
- DEFAULT_VAR_RUN_DIRECTORY,
- this->name,
- DEMOTION_QFILE,
- this->name);
+ ret = gf_asprintf (&demotion_qfile, "%s/%s/%s-%s",
+ DEFAULT_VAR_RUN_DIRECTORY,
+ this->name,
+ DEMOTION_QFILE,
+ this->name);
if (ret < 0) {
- GF_FREE(promotion_qfile);
+ GF_FREE (promotion_qfile);
goto out;
}
- unlink(promotion_qfile);
- unlink(demotion_qfile);
+ unlink (promotion_qfile);
+ unlink (demotion_qfile);
- gf_msg(this->name, GF_LOG_INFO, 0,
- DHT_MSG_LOG_TIER_STATUS,
+ gf_msg (this->name, GF_LOG_INFO, 0,
+ DHT_MSG_LOG_TIER_STATUS,
"Promote/demote frequency %d/%d "
"Write/Read freq thresholds %d/%d",
- defrag->tier_promote_frequency,
- defrag->tier_demote_frequency,
+ defrag->tier_conf.tier_promote_frequency,
+ defrag->tier_conf.tier_demote_frequency,
defrag->write_freq_threshold,
defrag->read_freq_threshold);
- gf_msg(this->name, GF_LOG_INFO, 0,
+ gf_msg (this->name, GF_LOG_INFO, 0,
DHT_MSG_LOG_TIER_STATUS,
"Promote file %s demote file %s",
promotion_qfile, demotion_qfile);
@@ -1549,18 +1837,19 @@ tier_reconfigure (xlator_t *this, dict_t *options)
{
dht_conf_t *conf = NULL;
gf_defrag_info_t *defrag = NULL;
-
+ char *mode = NULL;
+ int migrate_mb = 0;
conf = this->private;
if (conf->defrag) {
defrag = conf->defrag;
GF_OPTION_RECONF ("tier-promote-frequency",
- defrag->tier_promote_frequency, options,
- int32, out);
+ defrag->tier_conf.tier_promote_frequency,
+ options, int32, out);
GF_OPTION_RECONF ("tier-demote-frequency",
- defrag->tier_demote_frequency, options,
- int32, out);
+ defrag->tier_conf.tier_demote_frequency,
+ options, int32, out);
GF_OPTION_RECONF ("write-freq-threshold",
defrag->write_freq_threshold, options,
@@ -1569,6 +1858,28 @@ tier_reconfigure (xlator_t *this, dict_t *options)
GF_OPTION_RECONF ("read-freq-threshold",
defrag->read_freq_threshold, options,
int32, out);
+
+ GF_OPTION_RECONF ("watermark-hi",
+ defrag->tier_conf.watermark_hi, options,
+ int32, out);
+
+ GF_OPTION_RECONF ("watermark-low",
+ defrag->tier_conf.watermark_low, options,
+ int32, out);
+
+ GF_OPTION_RECONF ("tier-mode",
+ mode, options,
+ str, out);
+ defrag->tier_conf.mode = tier_validate_mode (mode);
+
+ GF_OPTION_RECONF ("tier-max-mb",
+ migrate_mb, options,
+ int32, out);
+ defrag->tier_conf.max_migrate_bytes = migrate_mb*1024*1024;
+
+ GF_OPTION_RECONF ("tier-max-files",
+ defrag->tier_conf.max_migrate_files, options,
+ int32, out);
}
out:
@@ -1579,10 +1890,10 @@ void
tier_fini (xlator_t *this)
{
if (libhandle)
- dlclose(libhandle);
+ dlclose (libhandle);
- GF_FREE(demotion_qfile);
- GF_FREE(promotion_qfile);
+ GF_FREE (demotion_qfile);
+ GF_FREE (promotion_qfile);
dht_fini(this);
}
generated by cgit (git 2.34.1) at 2024-05-21 20:13:35 +0000