---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-632 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.7G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 649 1014 0 2279 3028 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:b9:79:5c brd ff:ff:ff:ff:ff:ff inet 10.32.7.133/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86052sec preferred_lft 86052sec inet6 fe80::f816:3eff:feb9:795c/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-632) 05/10/25 _x86_64_ (4 CPU) 05:14:54 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:01 159.12 54.74 104.38 3606.33 42832.74 05:17:01 87.25 29.78 57.47 1631.33 10514.11 05:18:01 10.28 0.00 10.28 0.00 450.52 05:19:01 37.38 10.56 26.81 723.35 3160.81 05:20:01 47.53 6.98 40.55 260.67 8783.60 Average: 68.31 20.41 47.90 1244.33 13148.08 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 1836252 3402168 2202392 54.53 49920 1671200 565340 11.11 497204 1531608 166748 05:17:01 1484460 3220524 2554184 63.24 57788 1825824 727064 14.29 693936 1670352 4520 05:18:01 1463164 3206544 2575480 63.77 59708 1830352 727064 14.29 710152 1674096 1504 05:19:01 559680 2412448 3478964 86.14 62104 1933384 1452008 28.54 1536268 1738328 1004 05:20:01 1107620 3166036 2931024 72.57 67064 2129544 730820 14.37 912664 1806556 25412 Average: 1290235 3081544 2748409 68.05 59317 1878061 840459 16.52 870045 1684188 39838 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 05:16:01 ens3 408.30 255.49 1597.57 69.99 0.00 0.00 0.00 0.00 05:17:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 05:17:01 ens3 124.56 129.58 792.96 27.09 0.00 0.00 0.00 0.00 05:18:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 05:18:01 ens3 60.03 86.74 66.04 13.93 0.00 0.00 0.00 0.00 05:19:01 lo 120.03 120.03 36.36 36.36 0.00 0.00 0.00 0.00 05:19:01 ens3 222.38 249.51 1327.40 37.72 0.00 0.00 0.00 0.00 05:20:01 lo 0.90 0.90 0.09 0.09 0.00 0.00 0.00 0.00 05:20:01 ens3 562.53 424.33 1482.43 179.94 0.00 0.00 0.00 0.00 Average: lo 24.72 24.72 7.34 7.34 0.00 0.00 0.00 0.00 Average: ens3 275.54 229.12 1053.23 65.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-632) 05/10/25 _x86_64_ (4 CPU) 05:14:54 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:01 all 20.44 0.00 2.15 4.62 0.06 72.73 05:16:01 0 21.68 0.00 1.35 1.67 0.08 75.22 05:16:01 1 11.03 0.00 2.40 9.02 0.05 77.50 05:16:01 2 33.64 0.00 3.17 3.08 0.08 60.03 05:16:01 3 15.37 0.00 1.69 4.74 0.05 78.15 05:17:01 all 14.41 0.00 0.68 1.62 0.05 83.24 05:17:01 0 11.55 0.00 0.47 1.94 0.07 85.98 05:17:01 1 11.74 0.00 0.43 1.33 0.05 86.44 05:17:01 2 9.16 0.00 0.57 1.05 0.05 89.18 05:17:01 3 25.23 0.00 1.22 2.17 0.05 71.34 05:18:01 all 3.69 0.00 0.21 0.05 0.04 96.01 05:18:01 0 3.77 0.00 0.15 0.20 0.05 95.83 05:18:01 1 5.92 0.00 0.30 0.02 0.03 93.73 05:18:01 2 3.28 0.00 0.22 0.00 0.03 96.47 05:18:01 3 1.77 0.00 0.17 0.00 0.02 98.05 05:19:01 all 35.19 0.00 1.14 0.41 0.08 63.18 05:19:01 0 38.39 0.00 1.02 1.00 0.07 59.52 05:19:01 1 30.80 0.00 1.30 0.47 0.08 67.35 05:19:01 2 35.29 0.00 1.34 0.17 0.08 63.12 05:19:01 3 36.29 0.00 0.90 0.03 0.08 62.69 05:20:01 all 27.63 0.00 1.27 0.58 0.05 70.47 05:20:01 0 17.18 0.00 0.88 0.83 0.07 81.04 05:20:01 1 25.49 0.00 0.66 0.00 0.03 73.82 05:20:01 2 29.06 0.00 2.02 0.97 0.07 67.89 05:20:01 3 38.82 0.00 1.50 0.50 0.05 59.12 Average: all 20.27 0.00 1.09 1.46 0.06 77.13 Average: 0 18.51 0.00 0.77 1.13 0.07 79.52 Average: 1 17.01 0.00 1.02 2.16 0.05 79.76 Average: 2 22.08 0.00 1.46 1.05 0.06 75.34 Average: 3 23.49 0.00 1.10 1.49 0.05 73.88