---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5455 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 476 5328 0 2171 7219 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:87:e4:9b brd ff:ff:ff:ff:ff:ff inet 10.32.6.38/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe87:e49b/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-5455) 07/10/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 169.56 85.37 84.19 4948.24 40833.88 19:15:01 57.14 0.19 56.95 22.36 9582.25 19:16:01 83.50 18.53 64.97 669.89 9567.61 19:17:01 24.25 1.57 22.68 107.32 4478.72 Average: 83.72 26.52 57.20 1442.75 16142.40 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 5999340 7426964 2168080 26.55 36500 1570868 684380 7.43 571960 1432344 85888 19:15:01 5779292 7494944 2388128 29.24 57172 1820332 598856 6.50 505272 1681660 164732 19:16:01 5457748 7384484 2709672 33.18 63828 2019868 699636 7.59 713236 1785864 104276 19:17:01 5478700 7413416 2688720 32.92 65952 2025120 655716 7.11 692336 1784324 9288 Average: 5678770 7429952 2488650 30.47 55863 1859047 659647 7.16 620701 1671048 91046 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 lo 1.55 1.55 0.14 0.14 0.00 0.00 0.00 0.00 19:14:02 ens3 452.37 250.31 1534.92 67.28 0.00 0.00 0.00 0.00 19:15:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 19:15:01 ens3 47.54 40.44 414.87 4.78 0.00 0.00 0.00 0.00 19:16:01 lo 1.77 1.77 0.17 0.17 0.00 0.00 0.00 0.00 19:16:01 ens3 277.74 273.52 1417.61 54.96 0.00 0.00 0.00 0.00 19:17:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 19:17:01 ens3 53.49 59.37 29.21 534.23 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 208.44 156.38 850.93 165.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5455) 07/10/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 22.39 0.00 2.86 4.67 1.41 68.67 19:14:02 0 14.75 0.00 4.77 4.82 1.56 74.09 19:14:02 1 9.58 0.00 1.53 4.87 0.98 83.04 19:14:02 2 37.27 0.00 2.67 5.76 1.72 52.57 19:14:02 3 28.01 0.00 2.46 3.23 1.38 64.92 19:15:01 all 20.84 0.00 1.27 1.57 0.87 75.46 19:15:01 0 32.92 0.00 2.02 1.08 1.54 62.44 19:15:01 1 29.78 0.00 1.83 0.14 0.97 67.28 19:15:01 2 8.77 0.00 0.44 5.00 0.53 85.26 19:15:01 3 11.83 0.00 0.76 0.07 0.47 86.87 19:16:01 all 41.35 0.00 2.08 1.72 3.02 51.82 19:16:01 0 50.69 0.00 2.12 2.67 3.15 41.36 19:16:01 1 37.27 0.00 1.86 1.73 2.75 56.39 19:16:01 2 36.70 0.00 2.52 1.66 3.11 56.01 19:16:01 3 40.76 0.00 1.83 0.81 3.04 53.55 19:17:01 all 21.04 0.00 1.13 0.74 1.03 76.06 19:17:01 0 9.66 0.00 0.91 1.81 0.85 86.77 19:17:01 1 9.89 0.00 1.23 0.15 0.91 87.82 19:17:01 2 30.44 0.00 1.38 0.80 1.23 66.14 19:17:01 3 34.23 0.00 0.98 0.25 1.15 63.39 Average: all 26.44 0.00 1.84 2.18 1.59 67.96 Average: 0 26.99 0.00 2.46 2.60 1.78 66.17 Average: 1 21.59 0.00 1.61 1.73 1.40 73.67 Average: 2 28.39 0.00 1.76 3.30 1.66 64.90 Average: 3 28.78 0.00 1.51 1.09 1.52 67.10