---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2346 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 7.6G 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 469 5253 0 2252 7223 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:67:fb:03 brd ff:ff:ff:ff:ff:ff inet 10.32.6.244/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe67:fb03/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2346) 01/03/26 _x86_64_ (4 CPU) 08:12:46 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 101.63 35.68 65.96 1246.33 5260.86 08:15:01 84.47 29.80 54.67 1640.26 10844.46 08:16:01 78.32 9.83 68.49 665.11 8871.71 08:17:01 24.23 0.68 23.55 77.72 3576.34 Average: 72.16 19.00 53.17 907.34 7138.41 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 5900136 7378744 2267284 27.76 40236 1614960 728464 7.90 631792 1462544 114916 08:15:01 5496428 7272976 2670992 32.70 58868 1879284 807656 8.76 742992 1724484 106648 08:16:01 5407228 7410888 2760192 33.80 66484 2091912 668420 7.25 697084 1845964 75516 08:17:01 5388992 7413168 2778428 34.02 68580 2109596 662984 7.19 701828 1856904 20028 Average: 5548196 7368944 2619224 32.07 58542 1923938 716881 7.78 693424 1722474 79277 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 08:14:01 ens3 405.62 207.03 1422.64 64.83 0.00 0.00 0.00 0.00 08:15:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 08:15:01 ens3 173.57 133.34 1596.81 24.85 0.00 0.00 0.00 0.00 08:16:01 lo 1.42 1.42 0.19 0.19 0.00 0.00 0.00 0.00 08:16:01 ens3 478.91 489.85 2180.27 89.70 0.00 0.00 0.00 0.00 08:17:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 08:17:01 ens3 17.08 12.76 14.63 5.61 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 268.80 210.76 1303.62 46.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2346) 01/03/26 _x86_64_ (4 CPU) 08:12:46 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 24.53 0.00 1.68 2.97 1.17 69.66 08:14:01 0 20.87 0.00 1.30 3.92 0.90 73.01 08:14:01 1 51.41 0.00 2.12 1.77 1.68 43.02 08:14:01 2 7.68 0.00 1.50 4.90 1.02 84.90 08:14:01 3 18.16 0.00 1.77 1.30 1.05 77.72 08:15:01 all 27.96 0.00 1.56 2.01 1.41 67.06 08:15:01 0 15.70 0.00 0.48 1.10 1.07 81.66 08:15:01 1 34.26 0.00 1.60 2.08 1.43 60.62 08:15:01 2 33.86 0.00 1.73 4.01 1.41 58.99 08:15:01 3 28.03 0.00 2.44 0.83 1.74 66.95 08:16:01 all 42.51 0.00 2.09 1.28 2.85 51.28 08:16:01 0 42.52 0.00 2.21 1.06 2.76 51.44 08:16:01 1 46.12 0.00 1.21 1.65 2.74 48.28 08:16:01 2 38.84 0.00 1.77 1.32 2.86 55.21 08:16:01 3 42.54 0.00 3.17 1.09 3.01 50.19 08:17:01 all 21.34 0.00 1.03 0.64 0.96 76.03 08:17:01 0 4.94 0.00 0.65 0.02 0.75 93.65 08:17:01 1 51.17 0.00 1.92 0.78 1.47 44.67 08:17:01 2 2.08 0.00 0.42 1.63 0.53 95.34 08:17:01 3 27.23 0.00 1.15 0.13 1.11 70.37 Average: all 29.08 0.00 1.59 1.72 1.60 66.01 Average: 0 21.00 0.00 1.16 1.52 1.37 74.95 Average: 1 45.74 0.00 1.71 1.57 1.83 49.15 Average: 2 20.61 0.00 1.35 2.97 1.45 73.62 Average: 3 28.98 0.00 2.13 0.84 1.73 66.33