---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-1984 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
---> lscpu:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 1
Socket(s): 4
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 49
Model name: AMD EPYC-Rome Processor
Stepping: 0
CPU MHz: 2800.000
BogoMIPS: 5600.00
Virtualization: AMD-V
Hypervisor vendor: KVM
Virtualization type: full
L1d cache: 32K
L1i cache: 32K
L2 cache: 512K
L3 cache: 16384K
NUMA node0 CPU(s): 0-3
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities
---> nproc:
4
---> df -h:
Filesystem Size Used Avail Use% Mounted on
udev 2.0G 0 2.0G 0% /dev
tmpfs 395M 664K 394M 1% /run
/dev/vda1 20G 7.6G 12G 40% /
tmpfs 2.0G 0 2.0G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup
/dev/vda15 105M 4.4M 100M 5% /boot/efi
tmpfs 395M 0 395M 0% /run/user/1001
---> free -m:
total used free shared buff/cache available
Mem: 3943 542 1189 0 2212 3136
Swap: 1023 0 1023
---> ip addr:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc fq_codel state UP group default qlen 1000
link/ether fa:16:3e:02:e1:8e brd ff:ff:ff:ff:ff:ff
inet 10.32.7.11/23 brd 10.32.7.255 scope global dynamic ens3
valid_lft 86184sec preferred_lft 86184sec
inet6 fe80::f816:3eff:fe02:e18e/64 scope link
valid_lft forever preferred_lft forever
---> sar -b -r -n DEV:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1984) 05/31/25 _x86_64_ (4 CPU)
19:37:52 LINUX RESTART (4 CPU)
19:38:01 tps rtps wtps bread/s bwrtn/s
19:39:01 137.06 54.31 82.75 3583.80 7680.32
19:40:01 131.92 38.87 93.05 2271.07 14684.93
19:41:01 28.26 3.88 24.38 171.44 5154.87
Average: 99.08 32.35 66.73 2008.75 9173.07
19:38:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty
19:39:01 1809924 3380184 2228720 55.18 50600 1674880 597000 11.74 518504 1535600 169216
19:40:01 1039228 2990284 2999416 74.27 64480 2027008 920360 18.09 998664 1795372 71168
19:41:01 1276424 3268112 2762220 68.39 67120 2064588 635604 12.49 775016 1781856 25672
Average: 1375192 3212860 2663452 65.95 60733 1922159 717655 14.11 764061 1704276 88685
19:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil
19:39:01 ens3 370.74 247.13 1616.98 67.83 0.00 0.00 0.00 0.00
19:39:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00
19:40:01 ens3 493.92 536.02 2732.14 94.18 0.00 0.00 0.00 0.00
19:40:01 lo 2.33 2.33 0.28 0.28 0.00 0.00 0.00 0.00
19:41:01 ens3 290.40 180.05 544.74 104.85 0.00 0.00 0.00 0.00
19:41:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00
Average: ens3 385.01 321.05 1631.23 88.95 0.00 0.00 0.00 0.00
Average: lo 1.22 1.22 0.14 0.14 0.00 0.00 0.00 0.00
---> sar -P ALL:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1984) 05/31/25 _x86_64_ (4 CPU)
19:37:52 LINUX RESTART (4 CPU)
19:38:01 CPU %user %nice %system %iowait %steal %idle
19:39:01 all 21.53 0.00 1.65 3.66 0.06 73.10
19:39:01 0 15.13 0.00 1.20 1.72 0.05 81.90
19:39:01 1 31.78 0.00 2.29 8.69 0.08 57.16
19:39:01 2 19.22 0.00 1.64 2.79 0.05 76.30
19:39:01 3 19.99 0.00 1.49 1.44 0.07 77.02
19:40:01 all 37.69 0.00 1.92 1.41 0.09 58.89
19:40:01 0 38.37 0.00 1.69 0.84 0.08 59.02
19:40:01 1 29.15 0.00 1.65 1.65 0.08 67.46
19:40:01 2 41.36 0.00 2.13 2.23 0.08 54.19
19:40:01 3 41.87 0.00 2.19 0.94 0.10 54.90
19:41:01 all 23.16 0.00 0.90 0.62 0.04 75.27
19:41:01 0 15.82 0.00 0.43 0.03 0.03 83.69
19:41:01 1 18.73 0.00 0.92 1.25 0.03 79.07
19:41:01 2 43.24 0.00 1.57 1.07 0.08 54.04
19:41:01 3 14.91 0.00 0.70 0.15 0.03 84.21
Average: all 27.46 0.00 1.49 1.90 0.06 69.09
Average: 0 23.07 0.00 1.10 0.86 0.06 74.91
Average: 1 26.55 0.00 1.62 3.86 0.07 67.90
Average: 2 34.63 0.00 1.78 2.03 0.07 61.49
Average: 3 25.57 0.00 1.46 0.84 0.07 72.06