---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6768 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 5237 0 2255 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:fd:07:c2 brd ff:ff:ff:ff:ff:ff inet 10.32.6.9/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86079sec preferred_lft 86079sec inet6 fe80::f816:3eff:fefd:7c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6768) 07/26/26 _x86_64_ (4 CPU) 12:46:55 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 154.12 68.57 85.55 4297.55 40808.82 12:49:01 62.11 5.53 56.57 175.30 10156.04 12:50:01 97.97 31.31 66.66 1985.60 8892.37 12:51:01 28.11 3.70 24.41 134.11 4944.64 12:52:01 20.88 0.35 20.53 33.73 1404.30 Average: 72.64 21.89 50.75 1325.28 13241.09 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5975516 7401616 2191904 26.84 37072 1568924 702632 7.62 598396 1430992 86884 12:49:01 5749580 7471720 2417840 29.60 57340 1826384 600800 6.52 531928 1686648 149660 12:50:01 5115480 6998148 3051940 37.37 65068 1973620 1109828 12.04 1067316 1771292 6588 12:51:01 5365460 7382112 2801960 34.31 68192 2102740 676600 7.34 762476 1825296 25032 12:52:01 5361008 7380796 2806412 34.36 69972 2103864 696152 7.55 767332 1823968 8592 Average: 5513409 7326878 2654011 32.50 59529 1915106 757202 8.22 745490 1707639 55351 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 ens3 451.69 273.82 1544.57 69.37 0.00 0.00 0.00 0.00 12:48:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 12:49:01 ens3 55.97 47.14 480.09 6.05 0.00 0.00 0.00 0.00 12:49:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 12:50:01 ens3 299.83 332.82 1396.05 60.31 0.00 0.00 0.00 0.00 12:50:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 12:51:01 ens3 134.21 142.53 328.87 635.01 0.00 0.00 0.00 0.00 12:51:01 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 12:52:01 ens3 12.05 12.48 9.39 5.97 0.00 0.00 0.00 0.00 12:52:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 190.76 161.76 751.82 155.34 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6768) 07/26/26 _x86_64_ (4 CPU) 12:46:55 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 22.32 0.00 2.93 4.81 1.23 68.70 12:48:01 0 13.70 0.00 1.73 9.24 1.22 74.11 12:48:01 1 27.23 0.00 3.30 3.40 1.18 64.88 12:48:01 2 26.43 0.00 4.75 3.70 1.37 63.75 12:48:01 3 21.95 0.00 1.94 2.89 1.15 72.07 12:49:01 all 20.97 0.00 1.29 1.60 0.90 75.23 12:49:01 0 64.25 0.00 3.46 0.48 2.03 29.78 12:49:01 1 5.34 0.00 0.70 5.02 0.60 88.34 12:49:01 2 2.32 0.00 0.22 0.55 0.20 96.72 12:49:01 3 11.99 0.00 0.80 0.37 0.77 86.08 12:50:01 all 40.05 0.00 2.32 1.80 2.56 53.27 12:50:01 0 36.94 0.00 2.08 2.56 2.72 55.71 12:50:01 1 42.58 0.00 1.33 0.32 2.40 53.37 12:50:01 2 40.72 0.00 3.05 1.58 2.63 52.02 12:50:01 3 40.00 0.00 2.80 2.75 2.47 51.98 12:51:01 all 21.66 0.00 1.07 0.73 1.00 75.54 12:51:01 0 14.37 0.00 0.85 0.10 0.68 83.99 12:51:01 1 9.13 0.00 0.60 1.47 0.60 88.19 12:51:01 2 39.81 0.00 1.23 0.42 1.60 56.94 12:51:01 3 23.27 0.00 1.61 0.93 1.13 73.06 12:52:01 all 19.11 0.00 0.88 0.50 0.74 78.78 12:52:01 0 5.28 0.00 0.55 0.12 0.35 93.71 12:52:01 1 50.94 0.00 1.42 0.32 1.55 45.78 12:52:01 2 3.05 0.00 0.42 0.02 0.30 96.21 12:52:01 3 17.16 0.00 1.12 1.56 0.75 79.41 Average: all 24.83 0.00 1.70 1.89 1.29 70.30 Average: 0 26.91 0.00 1.73 2.50 1.40 67.46 Average: 1 27.05 0.00 1.47 2.11 1.27 68.11 Average: 2 22.47 0.00 1.93 1.25 1.22 73.13 Average: 3 22.87 0.00 1.65 1.70 1.25 72.52