---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2638 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 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 482 5209 0 2283 7210 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:65:04:be brd ff:ff:ff:ff:ff:ff inet 10.32.7.187/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe65:4be/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-2638) 06/05/26 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 109.25 38.36 70.89 1664.52 6924.86 07:07:01 75.65 31.73 43.93 1714.78 8469.79 07:08:01 55.29 10.90 44.39 638.56 9593.87 07:09:01 25.48 0.32 25.16 32.26 6074.59 Average: 66.42 20.33 46.09 1012.53 7765.78 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5863412 7391152 2304000 28.21 43252 1659588 716880 7.78 637668 1492980 146832 07:07:01 5521728 7297916 2645684 32.39 59484 1877020 790180 8.57 721776 1720244 161204 07:08:01 5374296 7420452 2793116 34.20 66676 2132752 663884 7.20 728956 1846848 165032 07:09:01 5363240 7411068 2804172 34.33 68812 2132452 662784 7.19 745072 1842912 10764 Average: 5530669 7380147 2636743 32.28 59556 1950453 708432 7.69 708368 1725746 120958 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 442.86 225.90 1532.56 65.61 0.00 0.00 0.00 0.00 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 86.54 71.97 578.04 25.05 0.00 0.00 0.00 0.00 07:07:01 lo 1.60 1.60 0.15 0.15 0.00 0.00 0.00 0.00 07:08:01 ens3 208.57 199.47 1832.28 692.03 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 13.63 15.46 11.29 16.81 0.00 0.00 0.00 0.00 07:09:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 187.90 128.20 988.54 199.88 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 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-2638) 06/05/26 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 23.53 0.00 1.69 3.42 2.07 69.29 07:06:01 0 26.41 0.00 1.89 8.74 2.88 60.08 07:06:01 1 21.26 0.00 1.79 0.81 1.61 74.53 07:06:01 2 27.46 0.00 1.72 0.81 2.36 67.64 07:06:01 3 18.96 0.00 1.36 3.28 1.41 74.99 07:07:01 all 24.19 0.00 1.45 2.38 2.06 69.92 07:07:01 0 10.33 0.00 0.98 3.91 1.26 83.52 07:07:01 1 29.16 0.00 1.22 3.74 2.74 63.14 07:07:01 2 21.31 0.00 1.06 0.81 1.97 74.85 07:07:01 3 35.90 0.00 2.55 1.03 2.27 58.25 07:08:01 all 36.77 0.00 1.98 1.29 3.49 56.47 07:08:01 0 50.82 0.00 2.13 2.35 3.68 41.02 07:08:01 1 32.00 0.00 2.45 0.93 3.24 61.38 07:08:01 2 37.86 0.00 2.02 1.52 4.08 54.51 07:08:01 3 26.42 0.00 1.28 0.38 2.93 68.99 07:09:01 all 20.56 0.00 0.91 0.95 1.27 76.31 07:09:01 0 27.01 0.00 1.16 0.15 1.61 70.07 07:09:01 1 34.21 0.00 1.21 0.37 1.50 62.71 07:09:01 2 19.57 0.00 1.08 3.29 1.67 74.39 07:09:01 3 1.38 0.00 0.23 0.02 0.28 98.08 Average: all 26.27 0.00 1.51 2.01 2.22 67.99 Average: 0 28.67 0.00 1.54 3.79 2.36 63.63 Average: 1 29.16 0.00 1.67 1.47 2.27 65.44 Average: 2 26.56 0.00 1.47 1.61 2.52 67.84 Average: 3 20.70 0.00 1.36 1.17 1.73 75.04