---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5958 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: 2799.998 BogoMIPS: 5599.99 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 7.5G 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 5407 0 2090 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:ea:3f:c7 brd ff:ff:ff:ff:ff:ff inet 10.32.7.66/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:feea:3fc7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5958) 02/11/26 _x86_64_ (4 CPU) 19:12:46 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 103.70 34.04 69.66 1139.01 5707.07 19:15:01 73.30 12.68 60.62 287.69 10048.06 19:16:01 51.77 6.78 44.99 417.80 7710.58 19:17:01 22.84 1.32 21.53 54.38 1432.19 Average: 62.90 13.71 49.20 474.70 6224.27 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5844692 7378184 2322720 28.44 45524 1661424 733104 7.95 656092 1487924 155644 19:15:01 5476616 7188640 2690796 32.95 59700 1814240 947260 10.28 836424 1652736 87212 19:16:01 5512440 7364172 2654972 32.51 63416 1947652 717216 7.78 738832 1709440 27976 19:17:01 5515192 7371384 2652220 32.47 65524 1949384 712272 7.73 735440 1708924 11484 Average: 5587235 7325595 2580177 31.59 58541 1843175 777463 8.44 741697 1639756 70579 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 429.58 248.23 1440.12 66.60 0.00 0.00 0.00 0.00 19:14:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 19:15:01 ens3 187.54 167.11 1230.12 33.27 0.00 0.00 0.00 0.00 19:15:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 19:16:01 ens3 151.77 173.75 451.35 557.41 0.00 0.00 0.00 0.00 19:16:01 lo 1.50 1.50 0.14 0.14 0.00 0.00 0.00 0.00 19:17:01 ens3 12.76 12.28 10.64 5.95 0.00 0.00 0.00 0.00 19:17:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 195.41 150.34 783.02 165.80 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 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-5958) 02/11/26 _x86_64_ (4 CPU) 19:12:46 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 23.51 0.00 1.69 3.34 1.51 69.95 19:14:01 0 10.14 0.00 1.27 3.08 1.44 84.07 19:14:01 1 28.58 0.00 1.25 1.12 1.45 67.61 19:14:01 2 35.33 0.00 2.45 4.28 1.60 56.34 19:14:01 3 20.09 0.00 1.78 4.89 1.55 71.70 19:15:01 all 30.19 0.00 1.78 1.77 2.28 63.98 19:15:01 0 28.44 0.00 1.66 0.71 2.26 66.93 19:15:01 1 12.80 0.00 0.76 1.50 1.50 83.44 19:15:01 2 58.07 0.00 3.01 1.06 3.34 34.51 19:15:01 3 21.38 0.00 1.71 3.78 2.00 71.14 19:16:01 all 31.01 0.00 1.47 1.28 2.14 64.10 19:16:01 0 27.45 0.00 1.11 0.98 2.20 68.25 19:16:01 1 23.53 0.00 1.38 0.81 1.83 72.46 19:16:01 2 47.04 0.00 1.71 0.30 2.30 48.65 19:16:01 3 26.04 0.00 1.66 3.04 2.26 67.00 19:17:01 all 19.47 0.00 1.04 0.75 0.86 77.88 19:17:01 0 18.86 0.00 1.19 0.05 1.13 78.77 19:17:01 1 33.95 0.00 1.18 0.93 1.08 62.85 19:17:01 2 5.64 0.00 0.80 0.68 0.53 92.35 19:17:01 3 19.48 0.00 1.00 1.37 0.70 77.46 Average: all 26.05 0.00 1.50 1.79 1.70 68.97 Average: 0 21.21 0.00 1.31 1.21 1.76 74.52 Average: 1 24.71 0.00 1.14 1.09 1.46 71.60 Average: 2 36.54 0.00 2.00 1.58 1.95 57.94 Average: 3 21.75 0.00 1.54 3.27 1.63 71.82