Cache memory activity

deygaurab · ‎2012-07-12

Hello Folks

How can I check the cache memory activity of my filer? I understand , I can check get real time stats using sysstat command. How can I check it for any specific time period of the day? Also can you advise if the below numbers look ok from the sysstat output?

CPU	NFS	CIFS	HTTP	Total	Net	kB/s	Disk	kB/s	Tape	kB/s	Cache	Cache	CP	CP	Disk	OTHER	FCP	iSCSI	FCP	kB/s	iSCSI	kB/s
					in	out	read	write	read	write	age	hit	time	ty	util				in	out	in	out
24%	0	0	0	3996	2	1	24968	48	0	0	14s	94%	0%	-	10%	3	3933	0	25960	34278	0	0
28%	0	0	0	5255	25	133	24416	16	0	0	14s	93%	0%	-	9%	0	5245	0	30489	41541	0	0
24%	0	0	0	4426	7	10	21964	0	0	0	14s	95%	0%	-	9%	0	4373	0	30253	36601	0	0
29%	0	0	0	4988	3	1	25412	48	0	0	14s	95%	0%	-	9%	0	4913	0	33931	38666	0	0
25%	0	0	0	5483	7	23	24288	0	0	0	14s	93%	0%	-	10%	0	5475	0	40988	41264	0	0
41%	0	0	0	3402	3	1	103872	138784	0	0	14s	95%	43%	Tn	18%	3	3344	0	28502	89874	0	0
45%	0	0	0	3143	2	1	49012	111820	0	0	1	98%	100%	:f	18%	0	3083	0	29570	29225	0	0
20%	0	0	0	2749	3	2	27356	106844	0	0	1	97%	100%	:f	11%	0	2731	0	29954	20638	0	0
19%	0	0	0	2341	3	1	29220	116916	0	0	1	98%	100%	:f	9%	0	2277	0	25888	14807	0	0
31%	0	0	0	2439	16	552	26120	85756	0	0	1	97%	90%	:	15%	0	2389	0	24746	19289	0	0
20%	0	0	0	2890	3	1	25504	0	0	0	1	97%	0%	-	8%	10	2868	0	31834	24131	0	0
26%	0	0	0	2423	7	343	18632	16	0	0	1	97%	0%	-	38%	0	2347	0	23475	18201	0	0
24%	0	0	0	2942	3	1	25596	48	0	0	1	97%	0%	-	21%	0	2855	0	32093	24444	0	0
22%	0	0	0	3160	4	1	25836	0	0	0	1	98%	0%	-	21%	0	3119	0	32697	22257	0	0
21%	0	0	0	2540	2	1	25032	0	0	0	1	98%	0%	-	8%	0	2510	0	28171	22267	0	0
32%	0	0	0	4742	3	1	20388	48	0	0	1	98%	0%	-	9%	349	4229	0	42326	20325	0	0
24%	0	0	0	3586	2	1	24088	16	0	0	13s	98%	0%	-	10%	0	3549	0	34546	19552	0	0
17%	0	0	0	2899	2	1	21936	0	0	0	13s	95%	0%	-	84%	0	2877	0	24918	23653	0	0
23%	0	0	0	3029	3	1	23184	48	0	0	13s	98%	0%	-	108%	0	2953	0	27884	22410	0	0

Best Regards

Rahul

deygaurab · ‎2012-07-13

Friends ,

Any takes for this query?

Cheers

Rahul