---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2320 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 7.8G 12G 41% / 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 465 5143 0 2366 7226 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:7a:58:a9 brd ff:ff:ff:ff:ff:ff inet 10.32.6.176/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86007sec preferred_lft 86007sec inet6 fe80::f816:3eff:fe7a:58a9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2320) 01/03/26 _x86_64_ (4 CPU) 02:56:46 LINUX RESTART (4 CPU) 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:01 113.73 54.06 59.67 3554.74 5406.05 02:59:01 66.51 11.70 54.82 974.88 10187.54 03:00:01 44.62 11.93 32.69 239.92 7325.16 03:01:01 9.80 0.00 9.80 0.00 447.05 03:02:01 48.81 0.40 48.41 14.40 8882.12 03:03:01 24.16 0.70 23.46 77.85 4739.61 Average: 51.27 13.13 38.14 810.26 6164.57 02:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:01 5952068 7387788 2215344 27.12 37688 1577248 735616 7.98 611400 1438040 90324 02:59:01 5765512 7405504 2401900 29.41 54324 1753340 707472 7.68 627684 1585352 91736 03:00:01 5471120 7233408 2696292 33.01 59300 1865128 878300 9.53 808332 1687540 4252 03:01:01 5462452 7231932 2704960 33.12 61268 1869416 886268 9.62 811924 1690968 1964 03:02:01 5262612 7385592 2904800 35.57 66476 2210388 707628 7.68 674860 2013524 111896 03:03:01 5266844 7396676 2900568 35.51 68816 2214188 690484 7.49 669700 2012400 9936 Average: 5530101 7340150 2637311 32.29 57979 1914951 767628 8.33 700650 1737971 51685 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:01 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 02:58:01 ens3 431.93 229.80 1430.81 65.93 0.00 0.00 0.00 0.00 02:59:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 02:59:01 ens3 22.71 18.44 260.15 3.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 03:00:01 ens3 120.81 102.73 1304.01 20.35 0.00 0.00 0.00 0.00 03:01:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:01:01 ens3 56.96 82.16 58.94 12.98 0.00 0.00 0.00 0.00 03:02:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:02:01 ens3 676.42 600.57 4059.70 76.82 0.00 0.00 0.00 0.00 03:03:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 03:03:01 ens3 11.55 12.25 9.11 5.91 0.00 0.00 0.00 0.00 Average: lo 0.68 0.68 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 220.05 174.31 1187.07 30.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2320) 01/03/26 _x86_64_ (4 CPU) 02:56:46 LINUX RESTART (4 CPU) 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:01 all 24.24 0.00 1.74 3.69 1.66 68.67 02:58:01 0 23.61 0.00 1.82 5.95 1.56 67.06 02:58:01 1 13.59 0.00 1.18 5.50 1.42 78.31 02:58:01 2 36.42 0.00 1.78 1.30 1.98 58.53 02:58:01 3 23.35 0.00 2.18 2.05 1.68 70.75 02:59:01 all 20.88 0.00 1.41 1.79 1.07 74.84 02:59:01 0 8.53 0.00 0.67 0.96 0.47 89.37 02:59:01 1 40.67 0.00 2.73 5.82 1.35 49.43 02:59:01 2 30.58 0.00 1.87 0.38 2.02 65.15 02:59:01 3 3.75 0.00 0.38 0.02 0.43 95.42 03:00:01 all 18.69 0.00 1.02 0.78 1.78 77.73 03:00:01 0 12.79 0.00 0.65 0.50 1.61 84.46 03:00:01 1 29.55 0.00 1.33 1.00 1.86 66.25 03:00:01 2 16.81 0.00 0.79 0.73 1.80 79.86 03:00:01 3 15.63 0.00 1.28 0.88 1.90 80.31 03:01:01 all 5.46 0.00 0.39 0.04 0.52 93.59 03:01:01 0 2.75 0.00 0.13 0.13 0.17 96.81 03:01:01 1 4.66 0.00 0.15 0.00 0.38 94.81 03:01:01 2 9.07 0.00 0.90 0.00 0.58 89.44 03:01:01 3 5.34 0.00 0.39 0.00 0.92 93.35 03:02:01 all 18.89 0.00 1.58 0.62 1.63 77.29 03:02:01 0 15.93 0.00 1.38 0.88 1.74 80.08 03:02:01 1 23.86 0.00 1.17 0.15 1.65 73.18 03:02:01 2 17.67 0.00 1.11 0.27 1.33 79.62 03:02:01 3 18.10 0.00 2.65 1.17 1.82 76.26 03:03:01 all 21.33 0.00 0.99 0.73 1.05 75.90 03:03:01 0 8.80 0.00 0.72 0.02 0.38 90.08 03:03:01 1 50.03 0.00 1.03 0.25 1.60 47.09 03:03:01 2 18.67 0.00 1.33 1.93 0.63 77.43 03:03:01 3 7.94 0.00 0.88 0.73 1.55 88.90 Average: all 18.26 0.00 1.19 1.28 1.29 77.99 Average: 0 12.08 0.00 0.89 1.41 0.99 84.63 Average: 1 27.05 0.00 1.26 2.12 1.38 68.19 Average: 2 21.56 0.00 1.30 0.77 1.39 74.99 Average: 3 12.35 0.00 1.29 0.81 1.38 84.17