---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8302 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 478 5191 0 2306 7215 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:76:47:34 brd ff:ff:ff:ff:ff:ff inet 10.32.6.40/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fe76:4734/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8302) 03/07/26 _x86_64_ (4 CPU) 08:12:53 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:02 139.04 56.46 82.59 3624.06 39828.85 08:15:01 84.53 29.83 54.70 1671.72 9235.86 08:16:01 80.25 9.33 70.92 643.76 13215.53 08:17:01 29.21 1.32 27.90 100.12 4226.90 Average: 83.25 24.21 59.04 1509.24 16657.70 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:02 6023436 7409636 2143976 26.25 36304 1530560 691916 7.51 590820 1391756 70008 08:15:01 5605300 7297032 2562112 31.37 56748 1799596 840824 9.12 741960 1624496 121444 08:16:01 4930556 6974056 3236856 39.63 64600 2133892 1082640 11.75 1121224 1900320 64916 08:17:01 5313076 7383080 2854336 34.95 67792 2157024 690380 7.49 734840 1904388 10612 Average: 5468092 7265951 2699320 33.05 56361 1905268 826440 8.97 797211 1705240 66745 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:02 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 08:14:02 ens3 388.29 222.48 1146.26 69.50 0.00 0.00 0.00 0.00 08:15:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 08:15:01 ens3 74.16 61.43 725.34 19.36 0.00 0.00 0.00 0.00 08:16:01 lo 1.48 1.48 0.19 0.19 0.00 0.00 0.00 0.00 08:16:01 ens3 459.04 482.84 4181.77 75.55 0.00 0.00 0.00 0.00 08:17:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 08:17:01 ens3 55.41 62.36 217.93 19.88 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 244.93 207.89 1571.35 46.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8302) 03/07/26 _x86_64_ (4 CPU) 08:12:53 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:02 all 20.56 0.00 2.43 4.17 1.37 71.47 08:14:02 0 18.64 0.00 1.57 3.53 1.07 75.20 08:14:02 1 32.78 0.00 1.87 1.12 1.28 62.96 08:14:02 2 15.77 0.00 4.47 8.30 1.48 69.98 08:14:02 3 15.07 0.00 1.84 3.70 1.61 77.77 08:15:01 all 23.34 0.00 1.43 2.12 1.32 71.79 08:15:01 0 29.83 0.00 1.52 0.68 1.22 66.76 08:15:01 1 31.50 0.00 1.83 1.00 1.25 64.41 08:15:01 2 11.89 0.00 0.92 4.51 1.24 81.44 08:15:01 3 20.24 0.00 1.43 2.30 1.59 74.45 08:16:01 all 44.81 0.00 2.33 0.90 3.62 48.34 08:16:01 0 45.27 0.00 1.33 0.23 3.24 49.93 08:16:01 1 44.74 0.00 2.25 0.60 3.46 48.95 08:16:01 2 49.09 0.00 2.14 1.22 3.59 43.95 08:16:01 3 40.14 0.00 3.59 1.53 4.19 50.54 08:17:01 all 21.18 0.00 1.16 0.94 1.48 75.23 08:17:01 0 18.21 0.00 1.04 0.18 0.90 79.66 08:17:01 1 54.07 0.00 2.06 0.43 1.99 41.45 08:17:01 2 2.71 0.00 0.61 2.76 1.68 92.25 08:17:01 3 10.00 0.00 0.92 0.40 1.39 87.29 Average: all 27.51 0.00 1.84 2.03 1.95 66.67 Average: 0 27.98 0.00 1.36 1.16 1.61 67.89 Average: 1 40.83 0.00 2.00 0.78 2.00 54.38 Average: 2 19.90 0.00 2.03 4.18 2.00 71.88 Average: 3 21.38 0.00 1.95 1.98 2.20 72.49