---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10471 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 7.8G 12G 41% / 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 454 5195 0 2325 7238 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:07:d6:be brd ff:ff:ff:ff:ff:ff inet 10.32.7.71/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86038sec preferred_lft 86038sec inet6 fe80::f816:3eff:fe07:d6be/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-10471) 04/04/26 _x86_64_ (4 CPU) 03:47:54 LINUX RESTART (4 CPU) 03:48:01 tps rtps wtps bread/s bwrtn/s 03:49:02 147.15 63.63 83.52 4219.93 40329.64 03:50:01 67.55 12.67 54.88 268.79 9007.79 03:51:01 30.54 0.03 30.51 1.60 5992.87 03:52:01 10.33 0.00 10.33 0.00 365.01 03:53:01 51.24 1.00 50.24 89.32 12177.44 Average: 61.35 15.48 45.87 918.18 13590.56 03:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:49:02 5999384 7415000 2168028 26.54 36468 1559684 710720 7.71 584492 1423232 85320 03:50:01 5682440 7331440 2484972 30.43 56460 1757560 881996 9.57 688880 1604068 100604 03:51:01 5524172 7246776 2643240 32.36 58644 1827188 889964 9.66 775140 1672404 1636 03:52:01 5417276 7223672 2750136 33.67 60400 1907196 905976 9.83 798256 1750772 76204 03:53:01 5354384 7441204 2813028 34.44 65820 2175904 657600 7.14 602812 1997780 27236 Average: 5595531 7331618 2571881 31.49 55558 1845506 809251 8.78 689916 1689651 58200 03:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:49:02 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 03:49:02 ens3 305.11 175.62 1391.77 59.94 0.00 0.00 0.00 0.00 03:50:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 03:50:01 ens3 72.33 55.85 470.36 14.85 0.00 0.00 0.00 0.00 03:51:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:51:01 ens3 92.95 101.48 1148.84 14.38 0.00 0.00 0.00 0.00 03:52:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:52:01 ens3 288.59 233.68 1347.09 26.51 0.00 0.00 0.00 0.00 03:53:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 03:53:01 ens3 386.24 356.71 2750.14 56.69 0.00 0.00 0.00 0.00 Average: lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 229.56 185.09 1424.79 34.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10471) 04/04/26 _x86_64_ (4 CPU) 03:47:54 LINUX RESTART (4 CPU) 03:48:01 CPU %user %nice %system %iowait %steal %idle 03:49:02 all 21.50 0.00 2.79 5.24 3.64 66.84 03:49:02 0 10.40 0.00 1.62 3.85 2.89 81.24 03:49:02 1 12.27 0.00 1.42 3.64 3.08 79.59 03:49:02 2 29.36 0.00 2.22 9.46 3.88 55.08 03:49:02 3 34.00 0.00 5.85 4.02 4.70 51.42 03:50:01 all 22.43 0.00 1.39 1.99 2.31 71.87 03:50:01 0 6.94 0.00 0.64 0.84 1.27 90.31 03:50:01 1 9.85 0.00 0.77 0.84 2.06 86.49 03:50:01 2 33.86 0.00 2.34 5.81 2.90 55.08 03:50:01 3 39.17 0.00 1.85 0.47 3.02 55.49 03:51:01 all 10.71 0.00 0.55 0.34 2.19 86.20 03:51:01 0 17.09 0.00 0.43 0.89 2.47 79.11 03:51:01 1 10.43 0.00 1.06 0.10 2.86 85.55 03:51:01 2 9.09 0.00 0.23 0.22 1.67 88.79 03:51:01 3 6.22 0.00 0.50 0.18 1.74 91.35 03:52:01 all 5.26 0.00 0.57 0.06 1.56 92.55 03:52:01 0 6.75 0.00 0.66 0.12 1.63 90.84 03:52:01 1 5.13 0.00 0.60 0.00 1.68 92.60 03:52:01 2 7.24 0.00 0.56 0.13 1.74 90.32 03:52:01 3 1.95 0.00 0.43 0.00 1.18 96.44 03:53:01 all 21.09 0.00 1.87 0.58 3.06 73.40 03:53:01 0 26.80 0.00 1.91 0.26 3.10 67.93 03:53:01 1 12.53 0.00 1.46 0.18 2.36 83.47 03:53:01 2 25.11 0.00 1.72 1.71 3.53 67.93 03:53:01 3 19.92 0.00 2.42 0.18 3.26 74.21 Average: all 16.20 0.00 1.44 1.64 2.55 78.17 Average: 0 13.64 0.00 1.06 1.20 2.27 81.84 Average: 1 10.05 0.00 1.06 0.95 2.41 85.53 Average: 2 20.90 0.00 1.41 3.46 2.75 71.48 Average: 3 20.22 0.00 2.22 0.98 2.78 73.80