---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8038 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.7G 12G 41% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 475 5156 0 2344 7217 Swap: 1023 0 1023 ---> ip addr: 1: lo: 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: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:9b:e1:b4 brd ff:ff:ff:ff:ff:ff inet 10.32.6.242/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86115sec preferred_lft 86115sec inet6 fe80::f816:3eff:fe9b:e1b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8038) 08/11/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 144.96 59.97 84.99 3869.49 40604.45 07:07:01 59.26 4.87 54.39 163.57 9752.37 07:08:01 75.49 33.64 41.85 2113.70 9333.82 07:09:01 29.25 1.90 27.35 105.32 8203.03 Average: 77.24 25.09 52.14 1563.04 16973.10 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 6011200 7437092 2156220 26.40 36944 1569404 674728 7.32 562500 1432360 83896 07:07:01 5727556 7500920 2439864 29.87 57096 1877596 609976 6.62 501492 1738140 198368 07:08:01 5298380 7395468 2869040 35.13 66072 2184648 689524 7.48 749144 1903624 210744 07:09:01 5305820 7416664 2861600 35.04 68260 2195704 642624 6.97 743912 1900064 8272 Average: 5585739 7437536 2581681 31.61 57093 1956838 654213 7.10 639262 1743547 125320 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:01 ens3 492.53 225.85 1468.33 64.32 0.00 0.00 0.00 0.00 07:07:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 55.86 50.74 746.64 11.33 0.00 0.00 0.00 0.00 07:08:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 149.13 127.62 2010.73 26.34 0.00 0.00 0.00 0.00 07:09:01 lo 1.60 1.60 0.14 0.14 0.00 0.00 0.00 0.00 07:09:01 ens3 62.21 66.46 28.64 684.17 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 189.93 117.67 1063.62 196.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8038) 08/11/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.21 0.00 2.63 4.97 1.35 69.84 07:06:01 0 19.20 0.00 4.93 2.48 1.30 72.10 07:06:01 1 31.61 0.00 1.85 3.86 1.34 61.34 07:06:01 2 20.23 0.00 2.13 8.33 1.70 67.61 07:06:01 3 13.80 0.00 1.57 5.24 1.05 78.34 07:07:01 all 20.54 0.00 1.31 1.93 0.82 75.40 07:07:01 0 28.08 0.00 1.12 0.22 0.95 69.63 07:07:01 1 10.28 0.00 0.57 0.77 0.43 87.96 07:07:01 2 17.13 0.00 1.93 6.00 1.10 73.84 07:07:01 3 26.64 0.00 1.64 0.73 0.81 70.18 07:08:01 all 38.46 0.00 2.23 1.71 3.70 53.90 07:08:01 0 38.57 0.00 1.82 1.14 3.13 55.33 07:08:01 1 33.94 0.00 2.07 2.35 3.07 58.57 07:08:01 2 34.25 0.00 2.54 1.01 4.16 58.03 07:08:01 3 47.08 0.00 2.48 2.33 4.44 43.68 07:09:01 all 20.41 0.00 1.03 1.08 0.81 76.67 07:09:01 0 6.94 0.00 0.73 0.07 0.35 91.91 07:09:01 1 27.20 0.00 1.03 1.30 1.33 69.15 07:09:01 2 27.08 0.00 1.15 2.84 0.95 67.98 07:09:01 3 20.44 0.00 1.23 0.10 0.62 77.61 Average: all 25.17 0.00 1.80 2.42 1.67 68.93 Average: 0 23.21 0.00 2.15 0.98 1.43 72.24 Average: 1 25.77 0.00 1.38 2.07 1.54 69.24 Average: 2 24.69 0.00 1.94 4.54 1.98 66.85 Average: 3 27.04 0.00 1.73 2.10 1.73 67.40