---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8425 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 477 5319 0 2179 7218 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:2b:23:50 brd ff:ff:ff:ff:ff:ff inet 10.32.7.88/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe2b:2350/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8425) 03/08/26 _x86_64_ (4 CPU) 12:46:55 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 152.74 66.54 86.20 4269.02 40785.62 12:49:01 89.61 30.55 59.06 1730.42 9465.38 12:50:01 69.62 8.85 60.77 510.71 7425.43 12:51:01 25.43 2.80 22.63 123.45 4865.32 Average: 84.33 27.17 57.16 1658.10 15661.25 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 5937724 7366460 2229696 27.30 37336 1571144 737028 8.00 636028 1429860 86424 12:49:01 5612576 7318068 2554844 31.28 57848 1811424 799556 8.68 703028 1655348 101392 12:50:01 5451204 7385848 2716216 33.26 65312 2026892 699400 7.59 752400 1755436 115376 12:51:01 5481800 7424896 2685620 32.88 67364 2032896 669768 7.27 721376 1754700 8788 Average: 5620826 7373818 2546594 31.18 56965 1860589 726438 7.88 703208 1648836 77995 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 ens3 445.91 243.34 1509.84 65.94 0.00 0.00 0.00 0.00 12:48:02 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 12:49:01 ens3 83.32 77.83 482.07 19.58 0.00 0.00 0.00 0.00 12:49:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 12:50:01 ens3 332.03 360.22 1526.81 62.47 0.00 0.00 0.00 0.00 12:50:01 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 12:51:01 ens3 53.72 68.97 28.59 609.12 0.00 0.00 0.00 0.00 12:51:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 229.35 188.05 888.52 189.99 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8425) 03/08/26 _x86_64_ (4 CPU) 12:46:55 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 22.30 0.00 2.86 4.59 1.28 68.98 12:48:02 0 34.65 0.00 2.35 2.02 1.43 59.55 12:48:02 1 30.66 0.00 2.45 4.88 1.57 60.44 12:48:02 2 10.43 0.00 1.82 8.28 0.88 78.59 12:48:02 3 13.44 0.00 4.87 3.16 1.22 77.31 12:49:01 all 25.78 0.00 1.73 2.04 1.61 68.84 12:49:01 0 19.42 0.00 1.44 0.14 1.27 77.74 12:49:01 1 32.29 0.00 2.09 2.65 2.03 60.94 12:49:01 2 29.78 0.00 2.14 4.75 1.49 61.84 12:49:01 3 21.65 0.00 1.25 0.62 1.62 74.85 12:50:01 all 42.41 0.00 2.34 1.10 3.05 51.10 12:50:01 0 49.98 0.00 3.30 1.12 3.40 42.22 12:50:01 1 40.06 0.00 1.53 1.00 2.79 54.63 12:50:01 2 39.33 0.00 2.12 2.07 2.89 53.60 12:50:01 3 40.32 0.00 2.44 0.22 3.15 53.88 12:51:01 all 21.02 0.00 1.09 0.69 0.79 76.41 12:51:01 0 15.03 0.00 1.17 2.47 0.55 80.78 12:51:01 1 24.78 0.00 0.88 0.15 0.93 73.25 12:51:01 2 17.61 0.00 1.38 0.05 0.90 80.06 12:51:01 3 26.63 0.00 0.92 0.12 0.78 71.55 Average: all 27.90 0.00 2.01 2.10 1.68 66.31 Average: 0 29.81 0.00 2.06 1.44 1.66 65.02 Average: 1 31.95 0.00 1.74 2.17 1.83 62.31 Average: 2 24.29 0.00 1.86 3.78 1.54 68.52 Average: 3 25.55 0.00 2.37 1.03 1.70 69.36