---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1928 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 451 5376 0 2147 7245 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:65:a3:17 brd ff:ff:ff:ff:ff:ff inet 10.32.7.64/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fe65:a317/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1928) 08/02/25 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 112.63 53.66 58.97 3535.41 5802.50 07:07:01 81.36 30.13 51.23 1697.75 8734.11 07:08:01 63.56 8.62 54.94 495.65 7631.93 07:09:01 23.26 0.90 22.36 50.26 4788.67 Average: 70.16 23.30 46.86 1443.71 6730.96 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5973052 7415500 2194360 26.87 38584 1582904 699464 7.59 590420 1438872 83912 07:07:01 5691896 7392168 2475516 30.31 57344 1806948 801452 8.70 628768 1651164 123280 07:08:01 5521900 7430432 2645512 32.39 63228 2004428 636420 6.91 701148 1738588 127008 07:09:01 5508548 7421460 2658864 32.55 65124 2006824 648192 7.03 717812 1735432 10832 Average: 5673849 7414890 2493563 30.53 56070 1850276 696382 7.56 659537 1641014 86258 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 417.20 198.38 1451.55 62.63 0.00 0.00 0.00 0.00 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 70.09 41.99 431.85 14.68 0.00 0.00 0.00 0.00 07:07:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 07:08:01 ens3 223.18 251.22 1253.25 52.35 0.00 0.00 0.00 0.00 07:08:01 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 07:09:01 ens3 53.87 63.07 28.79 608.85 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 191.59 139.07 792.86 185.34 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 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-1928) 08/02/25 _x86_64_ (4 CPU) 07:04:47 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.31 0.00 1.75 4.27 3.09 68.58 07:06:02 0 22.74 0.00 2.31 6.34 2.86 65.75 07:06:02 1 13.34 0.00 1.32 1.53 2.55 81.26 07:06:02 2 36.32 0.00 2.11 1.95 4.13 55.48 07:06:02 3 16.75 0.00 1.22 7.28 2.84 71.91 07:07:01 all 21.23 0.00 1.42 2.58 2.28 72.48 07:07:01 0 7.97 0.00 0.62 2.13 1.00 88.28 07:07:01 1 4.77 0.00 0.79 5.92 1.20 87.32 07:07:01 2 57.17 0.00 3.32 1.09 3.72 34.70 07:07:01 3 15.01 0.00 0.97 1.20 3.18 79.65 07:08:01 all 35.19 0.00 1.80 1.16 4.94 56.90 07:08:01 0 31.14 0.00 1.81 0.91 4.66 61.49 07:08:01 1 47.86 0.00 2.20 1.74 5.38 42.82 07:08:01 2 34.60 0.00 1.62 0.38 5.58 57.83 07:08:01 3 27.14 0.00 1.60 1.65 4.12 65.49 07:09:01 all 19.78 0.00 0.97 1.15 2.32 75.78 07:09:01 0 26.48 0.00 1.09 3.24 1.90 67.28 07:09:01 1 25.54 0.00 0.89 0.41 1.69 71.46 07:09:01 2 19.06 0.00 1.18 0.36 2.40 77.00 07:09:01 3 8.28 0.00 0.67 0.62 3.28 87.16 Average: all 24.65 0.00 1.48 2.29 3.16 68.41 Average: 0 22.17 0.00 1.47 3.16 2.61 70.59 Average: 1 23.00 0.00 1.31 2.38 2.72 70.59 Average: 2 36.66 0.00 2.05 0.94 3.96 56.39 Average: 3 16.76 0.00 1.11 2.69 3.36 76.08