---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-516 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 7.6G 12G 40% / 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 5280 0 2219 7220 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:57:87:f0 brd ff:ff:ff:ff:ff:ff inet 10.32.7.34/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe57:87f0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-516) 05/10/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 100.35 29.73 70.62 1007.17 6356.96 07:07:01 76.94 30.71 46.23 1690.52 8901.85 07:08:01 44.12 10.73 33.39 635.39 10439.45 07:09:01 23.28 0.35 22.93 33.73 1520.28 Average: 61.17 17.88 43.29 841.69 6804.79 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5847116 7423872 2320304 28.41 48208 1699032 673968 7.31 614060 1522840 179384 07:07:01 5596124 7339756 2571296 31.48 60492 1844900 769956 8.35 709572 1660292 79820 07:08:01 5424420 7406620 2743000 33.58 65732 2073060 670828 7.28 745236 1786656 27840 07:09:01 5392084 7378780 2775336 33.98 67804 2075128 696108 7.55 778100 1785916 10060 Average: 5564936 7387257 2602484 31.86 60559 1923030 702715 7.62 711742 1688926 74276 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 354.44 197.93 1363.11 58.35 0.00 0.00 0.00 0.00 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:07:01 ens3 108.93 98.40 849.01 21.68 0.00 0.00 0.00 0.00 07:07:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 179.19 169.59 1450.97 690.63 0.00 0.00 0.00 0.00 07:08:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 12.81 13.51 9.67 6.43 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 163.85 119.86 918.21 194.29 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 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-516) 05/10/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.90 0.00 1.52 3.07 1.25 71.25 07:06:01 0 17.08 0.00 1.38 2.68 0.95 77.91 07:06:01 1 12.71 0.00 1.33 8.34 1.28 76.34 07:06:01 2 27.00 0.00 1.59 0.68 1.64 69.09 07:06:01 3 34.79 0.00 1.78 0.62 1.17 61.65 07:07:01 all 27.49 0.00 1.61 1.67 1.95 67.29 07:07:01 0 14.39 0.00 1.06 0.07 1.55 82.93 07:07:01 1 33.52 0.00 2.37 4.45 2.18 57.48 07:07:01 2 20.65 0.00 0.99 1.09 2.12 75.15 07:07:01 3 41.40 0.00 2.05 1.05 1.92 53.59 07:08:01 all 30.77 0.00 1.60 0.91 2.11 64.61 07:08:01 0 33.88 0.00 1.81 0.78 2.52 61.01 07:08:01 1 45.50 0.00 1.68 1.13 2.31 49.38 07:08:01 2 22.58 0.00 1.86 0.37 2.01 73.17 07:08:01 3 21.08 0.00 1.08 1.37 1.61 74.86 07:09:01 all 20.29 0.00 0.87 0.68 0.88 77.28 07:09:01 0 23.89 0.00 1.43 1.88 1.03 71.78 07:09:01 1 34.51 0.00 1.05 0.27 1.20 62.98 07:09:01 2 0.47 0.00 0.27 0.02 0.67 98.59 07:09:01 3 22.34 0.00 0.73 0.55 0.62 75.76 Average: all 25.36 0.00 1.40 1.58 1.55 70.11 Average: 0 22.32 0.00 1.42 1.35 1.51 73.40 Average: 1 31.55 0.00 1.61 3.55 1.74 61.55 Average: 2 17.68 0.00 1.18 0.54 1.61 79.00 Average: 3 29.90 0.00 1.41 0.90 1.33 66.47