---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2781 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 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 493 5153 0 2329 7200 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:82:18:86 brd ff:ff:ff:ff:ff:ff inet 10.32.6.211/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe82:1886/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2781) 06/06/26 _x86_64_ (4 CPU) 16:58:56 LINUX RESTART (4 CPU) 16:59:01 tps rtps wtps bread/s bwrtn/s 17:00:02 149.19 66.32 82.87 4270.75 40254.51 17:01:01 60.02 0.19 59.84 22.37 10736.49 17:02:01 86.05 38.71 47.34 2210.03 12653.89 17:03:01 27.48 3.32 24.16 163.31 5362.04 Average: 80.77 27.25 53.53 1673.49 17278.99 16:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:02 6010800 7406324 2156620 26.41 36440 1539412 683760 7.42 592564 1401408 71676 17:01:01 5647880 7368124 2519540 30.85 56584 1825948 716120 7.77 645580 1673696 173104 17:02:01 5237488 7331400 2929932 35.87 64592 2183076 725200 7.87 779480 1933640 137976 17:03:01 5276576 7372452 2890844 35.39 66856 2182540 684228 7.42 744592 1929044 9508 Average: 5543186 7369575 2624234 32.13 56118 1932744 702327 7.62 690554 1734447 98066 16:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:02 ens3 415.20 219.13 1284.85 63.84 0.00 0.00 0.00 0.00 17:00:02 lo 1.07 1.07 0.09 0.09 0.00 0.00 0.00 0.00 17:01:01 ens3 55.69 47.79 666.65 5.23 0.00 0.00 0.00 0.00 17:01:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 17:02:01 ens3 242.03 218.16 3419.07 34.00 0.00 0.00 0.00 0.00 17:02:01 lo 1.57 1.57 0.16 0.16 0.00 0.00 0.00 0.00 17:03:01 ens3 12.56 12.36 10.61 5.98 0.00 0.00 0.00 0.00 17:03:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 181.89 124.68 1348.14 27.35 0.00 0.00 0.00 0.00 Average: lo 0.91 0.91 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-2781) 06/06/26 _x86_64_ (4 CPU) 16:58:56 LINUX RESTART (4 CPU) 16:59:01 CPU %user %nice %system %iowait %steal %idle 17:00:02 all 20.55 0.00 2.42 4.86 1.44 70.72 17:00:02 0 29.17 0.00 2.15 6.59 1.60 60.49 17:00:02 1 12.66 0.00 4.34 6.76 1.07 75.17 17:00:02 2 11.64 0.00 1.01 1.39 1.51 84.45 17:00:02 3 28.77 0.00 2.20 4.71 1.62 62.70 17:01:01 all 19.46 0.00 1.33 1.64 1.19 76.39 17:01:01 0 34.62 0.00 2.51 0.86 1.37 60.63 17:01:01 1 30.95 0.00 1.45 1.55 1.60 64.45 17:01:01 2 12.02 0.00 1.32 4.09 1.68 80.89 17:01:01 3 0.25 0.00 0.05 0.00 0.08 99.61 17:02:01 all 37.65 0.00 1.91 1.83 2.88 55.74 17:02:01 0 41.12 0.00 1.61 0.68 3.15 53.45 17:02:01 1 34.56 0.00 2.46 2.94 2.63 57.41 17:02:01 2 36.81 0.00 1.76 1.78 2.99 56.66 17:02:01 3 38.08 0.00 1.79 1.96 2.72 55.44 17:03:01 all 20.94 0.00 1.10 0.88 1.05 76.03 17:03:01 0 19.85 0.00 1.69 0.27 1.31 76.88 17:03:01 1 12.12 0.00 0.81 0.73 0.93 85.41 17:03:01 2 1.03 0.00 0.43 2.24 0.38 95.93 17:03:01 3 50.87 0.00 1.45 0.28 1.60 45.80 Average: all 24.67 0.00 1.69 2.30 1.64 69.69 Average: 0 31.18 0.00 1.99 2.10 1.86 62.87 Average: 1 22.55 0.00 2.27 3.00 1.56 70.63 Average: 2 15.37 0.00 1.13 2.37 1.64 79.49 Average: 3 29.63 0.00 1.38 1.74 1.51 65.73