diff --git a/dcapi/common/cfg-client.c b/dcapi/common/cfg-client.c
index 2b1b7c333d..f0db454fcb 100644
--- a/dcapi/common/cfg-client.c
+++ b/dcapi/common/cfg-client.c
@@ -154,11 +154,16 @@ int DC_getCfgInt(const char *key, int defaultValue)
 
 	val = strtol(pairs[i].value, &p, 10);
 	/* Check for unit suffixes */
-	if (p && *p && _DC_processSuffix(&val, p))
+	if (p && *p)
 	{
-		DC_log(LOG_WARNING, "Configuration value for key %s is not "
-			"a valid number, ignoring", key);
-		return defaultValue;
+		long mult = _DC_processSuffix(p);
+		if (mult == -1)
+		{
+			DC_log(LOG_WARNING, "Configuration value for key %s "
+				"is not a valid number, ignoring", key);
+			return defaultValue;
+		}
+		val *= mult;
 	}
 	return val;
 }
diff --git a/dcapi/common/cfg-master.c b/dcapi/common/cfg-master.c
index 7fd28f7034..45d932f5ba 100644
--- a/dcapi/common/cfg-master.c
+++ b/dcapi/common/cfg-master.c
@@ -90,15 +90,56 @@ static int getCfgInt(const char *group, const char *key, int defaultValue,
 
 	retval = strtol(value, &p, 10);
 	/* Check for unit suffixes */
-	if (p && *p && _DC_processSuffix(&retval, p))
+	if (p && *p)
+	{
+		long mult = _DC_processSuffix(p);
+		if (mult == -1)
+		{
+			DC_log(LOG_WARNING, "Configuration value for key %s "
+				"is not a valid number, ignoring", key);
+			g_free(value);
+			*err = 1;
+			return defaultValue;
+		}
+		retval *= mult;
+	}
+
+	g_free(value);
+	*err = 0;
+	return retval;
+}
+
+static double getCfgDouble(const char *group, const char *key,
+	double defaultValue, int *err)
+{
+	char *value, *p;
+	double retval;
+
+	if (!config || !key)
+		return defaultValue;
+
+	value = g_key_file_get_value(config, group, key, NULL);
+	if (!value)
 	{
-		DC_log(LOG_WARNING, "Configuration value for key %s is not "
-			"a valid number, ignoring", key);
-		g_free(value);
 		*err = 1;
 		return defaultValue;
 	}
 
+	retval = strtod(value, &p);
+	if (p && *p)
+	{
+		long long mult = _DC_processSuffix(p);
+		if (mult == -1)
+		{
+			DC_log(LOG_WARNING, "Configuration value for key %s "
+				"is not a valid number, ignoring", key);
+			g_free(value);
+			*err = 1;
+			return defaultValue;
+		}
+		retval *= mult;
+	}
+
 	g_free(value);
 	*err = 0;
 	return retval;
@@ -148,3 +189,21 @@ int DC_getClientCfgInt(const char *clientName, const char *key,
 		val = getCfgInt(MASTER_GROUP, key, defaultValue, &err);
 	return val;
 }
+
+double DC_getClientCfgDouble(const char *clientName, const char *key,
+	double defaultValue, int fallbackGlobal)
+{
+	char *group;
+	double val;
+	int err;
+
+	if (!clientName)
+		return defaultValue;
+
+	group = g_strdup_printf("Client-%s", clientName);
+	val = getCfgDouble(group, key, defaultValue, &err);
+	g_free(group);
+	if (err)
+		val = getCfgDouble(MASTER_GROUP, key, defaultValue, &err);
+	return val;
+}
diff --git a/dcapi/common/util.c b/dcapi/common/util.c
index ac1b9d062c..b93027def2 100644
--- a/dcapi/common/util.c
+++ b/dcapi/common/util.c
@@ -101,23 +101,21 @@ error:
 	return -1;
 }
 
-int _DC_processSuffix(long *value, const char *suffix)
+long long _DC_processSuffix(const char *suffix)
 {
 	while (*suffix == ' ' || *suffix == '\t')
 		suffix++;
 	if (!strcasecmp(suffix, "kb") || !strcasecmp(suffix, "kib"))
-		*value <<= 10;
+		return 1ll << 10;
 	else if (!strcasecmp(suffix, "mb") || !strcasecmp(suffix, "mib"))
-		*value <<= 20;
+		return 1ll << 20;
 	else if (!strcasecmp(suffix, "gb") || !strcasecmp(suffix, "gib"))
-		*value <<= 30;
+		return 1ll << 30;
 	else if (!strcasecmp(suffix, "min"))
-		*value *= 60;
+		return 60ll;
 	else if (!strcasecmp(suffix, "h") || !strcasecmp(suffix, "hour"))
-		*value *= 60 * 60;
+		return 60ll * 60;
 	else if (!strcasecmp(suffix, "day"))
-		*value *= 24 * 60 * 60;
-	else
-		return -1;
-	return 0;
+		return 24ll * 60 * 60;
+	return -1;
 }
diff --git a/dcapi/include/dc.h b/dcapi/include/dc.h
index 5ace9ac5c2..de2b9fa25e 100644
--- a/dcapi/include/dc.h
+++ b/dcapi/include/dc.h
@@ -136,6 +136,10 @@ char *DC_getClientCfgStr(const char *clientName, const char *key,
 int DC_getClientCfgInt(const char *clientName, const char *key,
 	int defaultValue, int fallbackGlobal);
 
+/* Queries per-client configuration variables */
+double DC_getClientCfgDouble(const char *clientName, const char *key,
+	double defaultValue, int fallbackGlobal);
+
 /********************************************************************
  * Function prototypes: Work unit management
  */
diff --git a/dcapi/include/dc_internal.h b/dcapi/include/dc_internal.h
index 1a2cbe20e6..e5d19b77e9 100644
--- a/dcapi/include/dc_internal.h
+++ b/dcapi/include/dc_internal.h
@@ -29,7 +29,7 @@ int _DC_parseCfg(const char *cfgfile);
 int _DC_copyFile(const char *src, const char *dst);
 
 /* Processes a unit suffix and adjust the value accordingly */
-int _DC_processSuffix(long *value, const char *suffix);
+long long _DC_processSuffix(const char *suffix);
 
 #ifdef __cplusplus
 }