munin-rs

swap cache

← Memory usage

field name
swap_cache — what munin.conf and the RRD call it
unit
bytes · k/M/G step by 1024, as the graph legend's do
state
OK
thresholds
no warning · no critical
limits
≥ 0 — values outside this range are stored as UNKNOWN rather than clipped (rrdcreate's DS min/max)
about
RAM holding pages that are also in swap (SwapCached).
data source
localhost/localhost-memory-swap_cache-g.rrd · GAUGE
graphs
Memory usage · zoom
24-hour profile (daily model, mean ± σ, server-local time — CEST, UTC+02:00) · the second line is the last 24 hours, ending at the marker
45.00M50.00M55.00M60.00M65.00M00:0006:0012:0018:0024:0000:00 n=1500:30 n=1501:00 n=1501:30 n=1502:00 n=1502:30 n=1503:00 n=1503:30 n=1504:00 n=1504:30 n=1505:00 n=1505:30 n=1506:00 n=1506:30 n=1507:00 n=1507:30 n=1508:00 n=1508:30 n=1509:00 n=1509:30 n=1510:00 n=1510:30 n=1511:00 n=1511:30 n=1512:00 n=1512:30 n=1513:00 n=1513:30 n=1514:00 n=1514:30 n=1415:00 n=1515:30 n=1516:00 n=1516:30 n=1517:00 n=1517:30 n=1518:00 n=1518:30 n=1519:00 n=1619:30 n=1720:00 n=1820:30 n=1721:00 n=1621:30 n=1522:00 n=1522:30 n=1523:00 n=1523:30 n=15now — the observed line to the right of this is yesterday's
the numbers behind this figure — 48 half-hour slots
unit: bytes · typical is the daily model's mean at that local half-hour, band its mean ∓ σ held inside the field's declared range, n the samples pooled behind it, and last 24 h what the field actually did on the same slot
slottypicalbandnlast 24 h
00:0051.42M43.56M … 59.27M1549.22M
00:3049.75M44.30M … 55.21M1547.88M
01:0048.67M45.82M … 51.51M1551.15M
01:3049.33M46.89M … 51.76M1551.14M
02:0049.41M47.08M … 51.74M1551.00M
02:3049.02M46.98M … 51.05M1551.00M
03:0049.73M46.65M … 52.81M1547.79M
03:3051.07M47.18M … 54.97M1547.42M
04:0053.07M49.18M … 56.96M1553.16M
04:3054.00M50.51M … 57.50M1556.36M
05:0054.24M50.71M … 57.76M1556.62M
05:3054.23M50.73M … 57.72M1556.80M
06:0054.11M50.56M … 57.65M1556.13M
06:3053.86M50.12M … 57.59M1556.20M
07:0053.62M49.65M … 57.58M1556.91M
07:3053.39M49.24M … 57.54M1557.24M
08:0053.26M49.09M … 57.43M1557.15M
08:3053.07M48.87M … 57.27M1557.08M
09:0052.94M48.74M … 57.15M1557.07M
09:3052.83M48.58M … 57.09M1557.08M
10:0052.68M48.51M … 56.86M1557.02M
10:3052.42M48.49M … 56.36M1556.35M
11:0052.82M48.61M … 57.03M1554.20M
11:3053.25M48.54M … 57.96M1557.23M
12:0054.05M48.71M … 59.40M1558.13M
12:3054.47M48.41M … 60.54M1560.64M
13:0054.77M48.43M … 61.12M1564.13M
13:3055.26M48.17M … 62.36M1561.22M
14:0055.77M47.92M … 63.62M1566.20M
14:3055.65M47.27M … 64.03M1467.90M
15:0052.24M43.15M … 61.32M1561.88M
15:3052.15M43.34M … 60.97M1553.68M
16:0052.74M43.85M … 61.63M1553.51M
16:3054.77M47.44M … 62.09M1553.16M
17:0055.38M47.17M … 63.59M1552.82M
17:3055.43M46.87M … 64.00M1552.74M
18:0055.13M46.85M … 63.40M1552.59M
18:3054.65M46.72M … 62.58M1552.90M
19:0053.83M46.24M … 61.42M1652.64M
19:3052.96M45.72M … 60.19M1752.72M
20:0052.98M46.03M … 59.93M1852.72M
20:3053.55M46.57M … 60.53M1752.60M
21:0054.44M47.43M … 61.45M1652.50M
21:3054.73M47.59M … 61.87M1552.50M
22:0054.44M47.32M … 61.57M1552.53M
22:3054.65M47.31M … 61.99M1551.66M
23:0054.53M46.35M … 62.71M1552.32M
23:3054.11M45.71M … 62.51M1552.53M
hour × weekday (weekly model mean, server-local time — CEST, UTC+02:00)
00:0006:0012:0018:00Mon35.17M n=1235.40M n=1241.05M n=1245.25M n=1248.13M n=1248.65M n=1249.92M n=1253.29M n=1256.27M n=1257.31M n=1254.86M n=1252.47M n=12Tue54.46M n=1258.80M n=1264.60M n=1266.88M n=1267.90M n=1267.73M n=1268.24M n=1269.04M n=1176.48M n=1275.86M n=1277.30M n=1173.98M n=10Wed65.48M n=956.34M n=853.25M n=756.40M n=658.74M n=659.10M n=659.22M n=658.72M n=657.18M n=755.91M n=855.02M n=953.93M n=9Thu53.10M n=953.16M n=955.68M n=960.64M n=964.99M n=967.52M n=967.76M n=965.98M n=963.75M n=959.89M n=1058.83M n=1157.74M n=12Fri55.27M n=1252.83M n=1252.34M n=1255.71M n=1258.85M n=1260.41M n=1260.00M n=1258.62M n=1257.50M n=1256.80M n=1256.31M n=1254.53M n=12Sat51.43M n=1249.69M n=1251.76M n=1255.66M n=1258.03M n=1257.58M n=1257.20M n=1257.59M n=1258.28M n=1258.72M n=1258.52M n=1258.37M n=12Sun56.85M n=1255.84M n=1255.95M n=1257.26M n=1258.07M n=1257.65M n=1257.26M n=1253.72M n=1252.34M n=1248.19M n=1245.71M n=1238.21M n=12quantile scale — each of the 8 bands holds about the same number of cells35.17M51.43M53.72M55.91M57.26M58.37M59.22M67.52M77.30M
the numbers behind this figure — 7 weekdays × 12 buckets
unit: bytes · each cell is the weekly model's mean over that local bucket, with n the samples pooled behind it — the same value and pool the coloured cell above carries
day00:0002:0004:0006:0008:0010:0012:0014:0016:0018:0020:0022:00
Mon35.17M n=1235.40M n=1241.05M n=1245.25M n=1248.13M n=1248.65M n=1249.92M n=1253.29M n=1256.27M n=1257.31M n=1254.86M n=1252.47M n=12
Tue54.46M n=1258.80M n=1264.60M n=1266.88M n=1267.90M n=1267.73M n=1268.24M n=1269.04M n=1176.48M n=1275.86M n=1277.30M n=1173.98M n=10
Wed65.48M n=956.34M n=853.25M n=756.40M n=658.74M n=659.10M n=659.22M n=658.72M n=657.18M n=755.91M n=855.02M n=953.93M n=9
Thu53.10M n=953.16M n=955.68M n=960.64M n=964.99M n=967.52M n=967.76M n=965.98M n=963.75M n=959.89M n=1058.83M n=1157.74M n=12
Fri55.27M n=1252.83M n=1252.34M n=1255.71M n=1258.85M n=1260.41M n=1260.00M n=1258.62M n=1257.50M n=1256.80M n=1256.31M n=1254.53M n=12
Sat51.43M n=1249.69M n=1251.76M n=1255.66M n=1258.03M n=1257.58M n=1257.20M n=1257.59M n=1258.28M n=1258.72M n=1258.52M n=1258.37M n=12
Sun56.85M n=1255.84M n=1255.95M n=1257.26M n=1258.07M n=1257.65M n=1257.26M n=1253.72M n=1252.34M n=1248.19M n=1245.71M n=1238.21M n=12