---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8470 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 492 5308 0 2174 7203 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:08:0e:78 brd ff:ff:ff:ff:ff:ff inet 10.32.7.153/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86098sec preferred_lft 86098sec inet6 fe80::f816:3eff:fe08:e78/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8470) 03/09/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 105.58 35.64 69.94 1245.13 5707.33 07:07:01 80.30 30.01 50.29 1677.45 7967.87 07:08:01 65.77 8.70 57.07 508.72 7288.52 07:09:01 25.40 2.73 22.66 121.71 4834.79 Average: 69.26 19.27 49.99 888.25 6449.63 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5864492 7365760 2302920 28.20 41232 1636400 728000 7.90 653816 1478172 129888 07:07:01 5544680 7251012 2622732 32.11 58600 1811272 823128 8.93 770172 1654644 104304 07:08:01 5451540 7377372 2715872 33.25 65212 2018268 684056 7.42 760288 1747392 113688 07:09:01 5392056 7331324 2775356 33.98 67400 2029308 726248 7.88 814088 1752164 9964 Average: 5563192 7331367 2604220 31.89 58111 1873812 740358 8.03 749591 1658093 89461 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:01 ens3 381.97 229.66 1468.10 65.16 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 101.35 104.17 530.88 24.39 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:08:01 ens3 310.55 326.31 1471.99 59.54 0.00 0.00 0.00 0.00 07:09:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 07:09:01 ens3 55.64 65.62 27.17 610.07 0.00 0.00 0.00 0.00 Average: lo 0.99 0.99 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 212.38 181.44 874.54 189.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8470) 03/09/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.91 0.00 1.67 3.54 1.93 69.94 07:06:01 0 51.38 0.00 2.26 2.13 2.43 41.80 07:06:01 1 20.34 0.00 1.72 2.15 1.46 74.32 07:06:01 2 12.35 0.00 1.66 9.14 2.58 74.26 07:06:01 3 7.74 0.00 1.06 0.70 1.25 89.26 07:07:01 all 26.33 0.00 1.74 2.07 2.61 67.25 07:07:01 0 35.61 0.00 1.62 0.20 2.19 60.38 07:07:01 1 30.58 0.00 1.66 2.91 2.97 61.87 07:07:01 2 14.70 0.00 1.67 3.67 3.09 76.87 07:07:01 3 24.53 0.00 1.95 1.52 2.21 69.79 07:08:01 all 37.11 0.00 2.01 1.27 3.78 55.82 07:08:01 0 34.80 0.00 1.75 0.58 3.62 59.25 07:08:01 1 38.85 0.00 2.34 2.74 4.01 52.05 07:08:01 2 35.86 0.00 1.42 0.94 3.31 58.47 07:08:01 3 38.92 0.00 2.57 0.84 4.17 53.51 07:09:01 all 19.26 0.00 0.87 1.00 1.21 77.66 07:09:01 0 9.36 0.00 0.52 1.28 0.86 87.99 07:09:01 1 38.58 0.00 1.29 0.38 2.16 57.59 07:09:01 2 8.34 0.00 0.55 2.09 0.76 88.26 07:09:01 3 20.74 0.00 1.11 0.25 1.06 76.83 Average: all 26.42 0.00 1.57 1.97 2.39 67.64 Average: 0 32.79 0.00 1.54 1.04 2.28 62.35 Average: 1 32.09 0.00 1.76 2.05 2.65 61.45 Average: 2 17.82 0.00 1.33 3.97 2.44 74.44 Average: 3 23.02 0.00 1.68 0.83 2.18 72.30