---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9219 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 470 5189 0 2316 7221 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:1c:59:26 brd ff:ff:ff:ff:ff:ff inet 10.32.7.119/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86075sec preferred_lft 86075sec inet6 fe80::f816:3eff:fe1c:5926/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9219) 08/26/26 _x86_64_ (4 CPU) 12:46:46 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 108.78 41.92 66.86 2480.11 6564.23 12:49:01 50.15 0.78 49.37 60.78 9020.59 12:50:01 106.20 37.61 68.59 2156.97 10694.62 12:51:01 28.45 3.25 25.20 126.11 5030.23 12:52:01 20.50 0.27 20.23 23.73 1424.56 Average: 62.82 16.77 46.05 969.56 6546.93 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5959928 7395048 2207492 27.03 38252 1576232 716892 7.78 607844 1434348 68040 12:49:01 5718548 7490944 2448872 29.98 57072 1876204 603788 6.55 508616 1737308 202164 12:50:01 5050656 6993904 3116764 38.16 65060 2033392 1082568 11.75 1073384 1825628 8184 12:51:01 5297072 7377620 2870348 35.14 68296 2165344 690596 7.49 763772 1887816 27736 12:52:01 5274412 7357924 2893008 35.42 70056 2166160 737256 8.00 793624 1879420 9784 Average: 5460123 7323088 2707297 33.15 59747 1963466 766220 8.31 749448 1752904 63182 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 ens3 445.83 232.14 1508.34 66.65 0.00 0.00 0.00 0.00 12:48:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 12:49:01 ens3 60.41 56.08 737.61 7.17 0.00 0.00 0.00 0.00 12:49:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 12:50:01 ens3 251.14 273.85 1408.30 65.02 0.00 0.00 0.00 0.00 12:50:01 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 12:51:01 ens3 89.67 98.15 309.05 598.38 0.00 0.00 0.00 0.00 12:51:01 lo 1.33 1.33 0.11 0.11 0.00 0.00 0.00 0.00 12:52:01 ens3 14.35 15.48 10.11 15.94 0.00 0.00 0.00 0.00 12:52:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 172.29 135.14 794.70 150.62 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 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-9219) 08/26/26 _x86_64_ (4 CPU) 12:46:46 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 23.93 0.00 1.73 3.49 2.19 68.66 12:48:01 0 15.74 0.00 1.71 5.05 2.66 74.84 12:48:01 1 22.31 0.00 1.21 0.51 1.67 74.30 12:48:01 2 39.10 0.00 2.54 6.72 2.56 49.08 12:48:01 3 18.65 0.00 1.47 1.64 1.89 76.34 12:49:01 all 20.00 0.00 1.34 1.49 1.57 75.60 12:49:01 0 15.20 0.00 1.18 0.17 1.00 82.45 12:49:01 1 19.44 0.00 1.88 2.48 1.25 74.97 12:49:01 2 41.69 0.00 1.97 3.28 1.77 51.29 12:49:01 3 4.04 0.00 0.38 0.05 2.27 93.27 12:50:01 all 42.34 0.00 2.39 2.41 4.48 48.38 12:50:01 0 36.21 0.00 1.93 0.59 3.89 57.38 12:50:01 1 44.47 0.00 1.69 0.91 4.08 48.85 12:50:01 2 43.10 0.00 3.27 5.73 5.18 42.73 12:50:01 3 45.63 0.00 2.67 2.42 4.75 44.54 12:51:01 all 22.65 0.00 1.39 0.73 1.58 73.65 12:51:01 0 11.18 0.00 1.06 1.36 0.90 85.49 12:51:01 1 48.32 0.00 1.87 1.20 2.18 46.43 12:51:01 2 6.97 0.00 1.46 0.13 1.86 89.58 12:51:01 3 24.38 0.00 1.22 0.22 1.38 72.81 12:52:01 all 20.48 0.00 0.91 0.64 1.26 76.71 12:52:01 0 16.41 0.00 0.98 1.33 0.92 80.36 12:52:01 1 6.50 0.00 0.61 0.90 0.88 91.11 12:52:01 2 34.59 0.00 1.46 0.20 2.17 61.58 12:52:01 3 24.39 0.00 0.55 0.12 1.10 73.85 Average: all 25.90 0.00 1.55 1.75 2.22 68.58 Average: 0 18.97 0.00 1.37 1.71 1.88 76.07 Average: 1 28.20 0.00 1.45 1.20 2.02 67.13 Average: 2 33.05 0.00 2.14 3.21 2.71 58.90 Average: 3 23.36 0.00 1.25 0.89 2.28 72.21