Merge branch 'collectd-5.7'

Conflicts:
	src/rrdtool.c

diff --cc src/collectd.conf.pod
Simple merge

diff --cc src/rrdtool.c
index 4128905,82f570f..2dfa87a
--- 1/src/rrdtool.c
--- 2/src/rrdtool.c
+++ b/src/rrdtool.c
@@@ -606,23 -605,10 +605,10 @@@ static int rrd_cache_flush_identifier(c
  } /* int rrd_cache_flush_identifier */
  
  static int64_t rrd_get_random_variation(void) {
-   long min;
-   long max;
- 
    if (random_timeout == 0)
 -    return (0);
 +    return 0;
  
-   /* Assure that "cache_timeout + random_variation" is never negative. */
-   if (random_timeout > cache_timeout) {
-     INFO("rrdtool plugin: Adjusting \"RandomTimeout\" to %.3f seconds.",
-          CDTIME_T_TO_DOUBLE(cache_timeout));
-     random_timeout = cache_timeout;
-   }
- 
-   max = (long)(random_timeout / 2);
-   min = max - ((long)random_timeout);
- 
-   return (int64_t)cdrand_range(min, max);
+   return (int64_t)cdrand_range(-random_timeout, random_timeout);
  } /* int64_t rrd_get_random_variation */
  
  static int rrd_cache_insert(const char *filename, const char *value,
@@@ -883,9 -869,9 +869,9 @@@ static int rrd_config(const char *key, 
                        "be greater than 0.\n");
        ERROR("rrdtool: `CacheFlush' must "
              "be greater than 0.\n");
 -      return (1);
 +      return 1;
      }
-     cache_flush_timeout = tmp;
+     cache_flush_timeout = DOUBLE_TO_CDTIME_T(tmp);
    } else if (strcasecmp("DataDir", key) == 0) {
      char *tmp;
      size_t len;