diff options
| author | N Balachandran <nbalacha@redhat.com> | 2017-07-24 18:27:39 +0530 |
|---|---|---|
| committer | Atin Mukherjee <amukherj@redhat.com> | 2017-07-26 09:25:00 +0000 |
| commit | e21c915679244ddc1fae886e52badf02b4d95efc (patch) | |
| tree | a4da3cd83856b90a36044fcabf7590733205f99e /xlators/cluster/dht/src | |
| parent | 24ab0ef44a1646223b59e33d0109d8424f8eddd0 (diff) | |
cluster/dht: Fix negative rebalance estimates
The calculation of the rebalance estimates will start
after the rebalance operation has been running for 10
minutes. This patch also changes the cli rebalance status
code to use unsigned variables for the time calculations.
Change-Id: Ic76f517c59ad938a407f1cf5e3b9add571690a6c
BUG: 1457985
Signed-off-by: N Balachandran <nbalacha@redhat.com>
Reviewed-on: https://review.gluster.org/17863
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Diffstat (limited to 'xlators/cluster/dht/src')
| -rw-r--r-- | xlators/cluster/dht/src/dht-rebalance.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/xlators/cluster/dht/src/dht-rebalance.c b/xlators/cluster/dht/src/dht-rebalance.c index e89c7e24202..4b4c87b6a8a 100644 --- a/xlators/cluster/dht/src/dht-rebalance.c +++ b/xlators/cluster/dht/src/dht-rebalance.c @@ -18,13 +18,14 @@ #include <signal.h> #include "events.h" -#define GF_DISK_SECTOR_SIZE 512 +#define GF_DISK_SECTOR_SIZE 512 #define DHT_REBALANCE_PID 4242 /* Change it if required */ #define DHT_REBALANCE_BLKSIZE (1024 * 1024) /* 1 MB */ -#define MAX_MIGRATE_QUEUE_COUNT 500 -#define MIN_MIGRATE_QUEUE_COUNT 200 -#define MAX_REBAL_TYPE_SIZE 16 -#define FILE_CNT_INTERVAL 600 /* 10 mins */ +#define MAX_MIGRATE_QUEUE_COUNT 500 +#define MIN_MIGRATE_QUEUE_COUNT 200 +#define MAX_REBAL_TYPE_SIZE 16 +#define FILE_CNT_INTERVAL 600 /* 10 mins */ +#define ESTIMATE_START_INTERVAL 600 /* 10 mins */ #ifndef MAX #define MAX(a, b) (((a) > (b))?(a):(b)) @@ -2980,7 +2981,6 @@ gf_defrag_get_entry (xlator_t *this, int i, struct dht_container **container, !strcmp (df_entry->d_name, "..")) continue; - if (IA_ISDIR (df_entry->d_stat.ia_type)) { defrag->size_processed += df_entry->d_stat.ia_size; continue; @@ -4731,6 +4731,19 @@ gf_defrag_get_estimates_based_on_size (dht_conf_t *conf) gettimeofday (&now, NULL); elapsed = now.tv_sec - defrag->start_time.tv_sec; + /* Don't calculate the estimates for the first 10 minutes. + * It is unlikely to be accurate and estimates are not required + * if the process finishes in less than 10 mins. + */ + + if (elapsed < ESTIMATE_START_INTERVAL) { + gf_msg (THIS->name, GF_LOG_INFO, 0, 0, + "Rebalance estimates will not be available for the " + "first %d seconds.", ESTIMATE_START_INTERVAL); + + goto out; + } + total_processed = defrag->size_processed; /* rate at which files processed */ @@ -4742,7 +4755,6 @@ gf_defrag_get_estimates_based_on_size (dht_conf_t *conf) time_to_complete = (tmp_count)/rate_processed; } else { - gf_msg (THIS->name, GF_LOG_ERROR, 0, 0, "Unable to calculate estimated time for rebalance"); } @@ -4888,8 +4900,8 @@ gf_defrag_status_get (dht_conf_t *conf, dict_t *dict) "TIME: Estimated total time to complete based on" " count = %"PRIu64 " seconds, seconds left = %"PRIu64"", time_to_complete, time_left); - */ + time_to_complete = gf_defrag_get_estimates_based_on_size (conf); if (time_to_complete && (time_to_complete > elapsed)) |