logging: Introduce suppression of repetitive log messages

Change-Id: I8efa08cc9832ad509fba65a88bb0cddbaf056404
BUG: 1075611
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/7475
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/xlators/debug/io-stats/src/io-stats.c b/xlators/debug/io-stats/src/io-stats.c
index 5b4c833fbc0..2a5eedefbd3 100644
--- a/xlators/debug/io-stats/src/io-stats.c
+++ b/xlators/debug/io-stats/src/io-stats.c
@@ -2673,6 +2673,8 @@ reconfigure (xlator_t *this, dict_t *options)
         int                 log_level = -1;
         int                 log_format = -1;
         int                 logger = -1;
+        uint32_t            log_buf_size = 0;
+        uint32_t            log_flush_timeout = 0;
 
         if (!this || !this->private)
                 goto out;
@@ -2712,6 +2714,13 @@ reconfigure (xlator_t *this, dict_t *options)
                 gf_log_set_logformat (log_format);
         }
 
+        GF_OPTION_RECONF ("log-buf-size", log_buf_size, options, uint32, out);
+        gf_log_set_log_buf_size (log_buf_size);
+
+        GF_OPTION_RECONF ("log-flush-timeout", log_flush_timeout, options,
+                          time, out);
+        gf_log_set_log_flush_timeout (log_flush_timeout);
+
         ret = 0;
 out:
         gf_log (this->name, GF_LOG_DEBUG, "reconfigure returning %d", ret);
@@ -2751,6 +2760,8 @@ init (xlator_t *this)
         char               *log_str = NULL;
         int                 log_level = -1;
         int                 ret = -1;
+        uint32_t            log_buf_size = 0;
+        uint32_t            log_flush_timeout = 0;
 
         if (!this)
                 return -1;
@@ -2817,6 +2828,12 @@ init (xlator_t *this)
                 gf_log_set_logformat (log_format);
         }
 
+        GF_OPTION_INIT ("log-buf-size", log_buf_size, uint32, out);
+        gf_log_set_log_buf_size (log_buf_size);
+
+        GF_OPTION_INIT ("log-flush-timeout", log_flush_timeout, time, out);
+        gf_log_set_log_flush_timeout (log_flush_timeout);
+
 
         this->private = conf;
         ret = 0;
@@ -3094,6 +3111,54 @@ struct volume_options options[] = {
           .description = "Changes the log format for the bricks",
           .value = { GF_LOG_FORMAT_NO_MSG_ID, GF_LOG_FORMAT_WITH_MSG_ID}
         },
+        { .key  = {"log-buf-size"},
+          .type = GF_OPTION_TYPE_INT,
+          .min  = GF_LOG_LRU_BUFSIZE_MIN,
+          .max  = GF_LOG_LRU_BUFSIZE_MAX,
+          .default_value = "5",
+        },
+        { .key  = {"client-log-buf-size"},
+          .type = GF_OPTION_TYPE_INT,
+          .min  = GF_LOG_LRU_BUFSIZE_MIN,
+          .max  = GF_LOG_LRU_BUFSIZE_MAX,
+          .default_value = "5",
+          .description = "This option determines the maximum number of unique "
+                         "log messages that can be buffered for a time equal to"
+                         " the value of the option client-log-flush-timeout."
+        },
+        { .key  = {"brick-log-buf-size"},
+          .type = GF_OPTION_TYPE_INT,
+          .min  = GF_LOG_LRU_BUFSIZE_MIN,
+          .max  = GF_LOG_LRU_BUFSIZE_MAX,
+          .default_value = "5",
+          .description = "This option determines the maximum number of unique "
+                         "log messages that can be buffered for a time equal to"
+                         " the value of the option brick-log-flush-timeout."
+        },
+        { .key  = {"log-flush-timeout"},
+          .type = GF_OPTION_TYPE_TIME,
+          .min  = GF_LOG_FLUSH_TIMEOUT_MIN,
+          .max  = GF_LOG_FLUSH_TIMEOUT_MAX,
+          .default_value = "120",
+        },
+        { .key  = {"client-log-flush-timeout"},
+          .type = GF_OPTION_TYPE_TIME,
+          .min  = GF_LOG_FLUSH_TIMEOUT_MIN,
+          .max  = GF_LOG_FLUSH_TIMEOUT_MAX,
+          .default_value = "120",
+          .description = "This option determines the maximum number of unique "
+                         "log messages that can be buffered for a time equal to"
+                         " the value of the option client-log-flush-timeout."
+        },
+        { .key  = {"brick-log-flush-timeout"},
+          .type = GF_OPTION_TYPE_TIME,
+          .min  = GF_LOG_FLUSH_TIMEOUT_MIN,
+          .max  = GF_LOG_FLUSH_TIMEOUT_MAX,
+          .default_value = "120",
+          .description = "This option determines the maximum number of unique "
+                         "log messages that can be buffered for a time equal to"
+                         " the value of the option brick-log-flush-timeout."
+        },
         { .key  = {NULL} },
 
 };