---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8491 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 463 5165 0 2347 7229 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:ad:e7:46 brd ff:ff:ff:ff:ff:ff inet 10.32.6.237/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fead:e746/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8491) 11/08/25 _x86_64_ (4 CPU) 05:15:05 LINUX RESTART (4 CPU) 05:16:01 tps rtps wtps bread/s bwrtn/s 05:17:01 53.12 2.25 50.87 43.86 7557.27 05:18:01 70.24 30.19 40.05 1646.12 7816.19 05:19:01 24.25 10.18 14.06 774.00 6067.12 05:20:01 22.73 1.53 21.20 102.92 7122.28 Average: 42.59 11.04 31.55 641.77 7140.75 05:16:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:17:01 5845688 7423476 2321724 28.43 51452 1696596 688516 7.47 581456 1556484 118696 05:18:01 5519848 7306544 2647564 32.42 60920 1886356 802192 8.70 715420 1729004 82356 05:19:01 4481500 6387080 3685912 45.13 62852 1999956 1687696 18.31 1689744 1780768 696 05:20:01 5318828 7427864 2848584 34.88 67920 2193644 661812 7.18 713184 1915244 25508 Average: 5291466 7136241 2875946 35.21 60786 1944138 960054 10.42 924951 1745375 56814 05:16:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:17:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 05:17:01 ens3 54.96 41.56 698.58 5.56 0.00 0.00 0.00 0.00 05:18:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 05:18:01 ens3 121.83 90.79 1370.27 20.81 0.00 0.00 0.00 0.00 05:19:01 lo 72.92 72.92 27.09 27.09 0.00 0.00 0.00 0.00 05:19:01 ens3 124.65 115.25 1445.69 13.51 0.00 0.00 0.00 0.00 05:20:01 lo 51.44 51.44 9.55 9.55 0.00 0.00 0.00 0.00 05:20:01 ens3 123.28 110.43 1256.23 20.56 0.00 0.00 0.00 0.00 Average: lo 31.51 31.51 9.20 9.20 0.00 0.00 0.00 0.00 Average: ens3 106.18 89.51 1192.70 15.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8491) 11/08/25 _x86_64_ (4 CPU) 05:15:05 LINUX RESTART (4 CPU) 05:16:01 CPU %user %nice %system %iowait %steal %idle 05:17:01 all 19.18 0.00 1.13 2.35 2.04 75.29 05:17:01 0 3.61 0.00 0.38 0.41 2.31 93.29 05:17:01 1 32.35 0.00 1.38 0.81 1.89 63.57 05:17:01 2 36.96 0.00 2.16 0.53 1.96 58.39 05:17:01 3 4.14 0.00 0.66 7.66 1.99 85.55 05:18:01 all 18.50 0.00 1.14 1.43 1.51 77.41 05:18:01 0 14.86 0.00 0.61 1.21 1.34 81.97 05:18:01 1 22.06 0.00 1.23 0.82 1.51 74.38 05:18:01 2 24.39 0.00 1.55 2.12 1.57 70.37 05:18:01 3 12.77 0.00 1.14 1.56 1.62 82.90 05:19:01 all 53.35 0.00 1.80 0.72 4.35 39.79 05:19:01 0 49.79 0.00 1.65 0.63 4.81 43.12 05:19:01 1 54.86 0.00 1.77 0.35 3.96 39.06 05:19:01 2 52.91 0.00 1.83 1.24 4.26 39.75 05:19:01 3 55.83 0.00 1.95 0.65 4.37 37.21 05:20:01 all 29.40 0.00 1.84 0.75 1.74 66.27 05:20:01 0 39.94 0.00 1.80 2.12 1.75 54.40 05:20:01 1 15.41 0.00 1.08 0.03 1.41 82.06 05:20:01 2 23.50 0.00 2.14 0.73 1.99 71.64 05:20:01 3 38.79 0.00 2.30 0.13 1.80 56.99 Average: all 30.10 0.00 1.48 1.31 2.41 64.69 Average: 0 26.99 0.00 1.11 1.09 2.56 68.26 Average: 1 31.16 0.00 1.36 0.50 2.19 64.78 Average: 2 34.46 0.00 1.92 1.16 2.45 60.02 Average: 3 27.83 0.00 1.51 2.51 2.45 65.70