---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10977 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 478 5345 0 2151 7218 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:89:cc:46 brd ff:ff:ff:ff:ff:ff inet 10.32.6.51/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe89:cc46/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10977) 12/05/25 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 113.15 48.79 64.36 3410.23 6342.29 07:07:01 79.07 30.00 49.08 1700.52 8034.53 07:08:01 64.56 8.60 55.96 496.58 7483.95 07:09:01 23.75 0.83 22.91 46.39 4803.87 Average: 70.13 22.05 48.08 1413.43 6666.16 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5951744 7378128 2215676 27.13 37308 1568748 741608 8.05 624216 1426804 56020 07:07:01 5598500 7303248 2568920 31.45 57540 1810684 844416 9.16 717200 1654256 123368 07:08:01 5488108 7400348 2679312 32.80 63208 2007560 691548 7.50 730136 1741076 128552 07:09:01 5476616 7392948 2690804 32.95 65140 2009800 687936 7.46 745268 1737928 10816 Average: 5628742 7368668 2538678 31.08 55799 1849198 741377 8.04 704205 1640016 79689 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 466.82 258.91 1470.89 66.90 0.00 0.00 0.00 0.00 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 83.82 58.16 439.55 16.21 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 07:08:01 ens3 260.57 284.80 1240.41 439.44 0.00 0.00 0.00 0.00 07:08:01 lo 1.23 1.23 0.11 0.11 0.00 0.00 0.00 0.00 07:09:01 ens3 39.26 37.21 33.59 219.35 0.00 0.00 0.00 0.00 07:09:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 212.62 159.77 796.11 185.48 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10977) 12/05/25 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.50 0.00 1.60 3.17 1.55 72.17 07:06:01 0 29.10 0.00 1.75 1.88 1.58 65.69 07:06:01 1 11.36 0.00 1.08 0.51 1.19 85.86 07:06:01 2 9.76 0.00 1.73 8.42 1.56 78.53 07:06:01 3 35.86 0.00 1.87 1.88 1.90 58.49 07:07:01 all 23.82 0.00 1.49 1.86 1.66 71.16 07:07:01 0 39.63 0.00 2.00 1.26 2.03 55.08 07:07:01 1 5.93 0.00 0.63 2.50 1.67 89.26 07:07:01 2 25.61 0.00 1.99 2.14 1.54 68.70 07:07:01 3 24.20 0.00 1.35 1.53 1.38 71.55 07:08:01 all 33.98 0.00 1.86 0.97 2.27 60.93 07:08:01 0 29.46 0.00 1.11 0.13 1.93 67.37 07:08:01 1 27.95 0.00 1.88 1.39 2.04 66.74 07:08:01 2 57.14 0.00 3.02 0.56 3.12 36.15 07:08:01 3 21.32 0.00 1.41 1.79 1.98 73.49 07:09:01 all 21.32 0.00 0.97 0.74 0.89 76.06 07:09:01 0 34.47 0.00 1.33 0.18 1.12 62.89 07:09:01 1 6.24 0.00 0.78 1.50 0.60 90.88 07:09:01 2 42.29 0.00 1.40 0.22 1.35 54.74 07:09:01 3 2.45 0.00 0.36 1.09 0.50 95.59 Average: all 25.16 0.00 1.48 1.69 1.59 70.08 Average: 0 33.17 0.00 1.55 0.87 1.67 62.75 Average: 1 12.87 0.00 1.09 1.48 1.38 83.19 Average: 2 33.70 0.00 2.04 2.84 1.90 59.53 Average: 3 20.94 0.00 1.25 1.57 1.44 74.80