---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8276 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 7.8G 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 480 5166 0 2328 7212 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:4a:58:fa brd ff:ff:ff:ff:ff:ff inet 10.32.7.165/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86033sec preferred_lft 86033sec inet6 fe80::f816:3eff:fe4a:58fa/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-8276) 03/07/26 _x86_64_ (4 CPU) 02:56:52 LINUX RESTART (4 CPU) 02:57:02 tps rtps wtps bread/s bwrtn/s 02:58:01 138.21 55.47 82.74 3643.50 40999.47 02:59:01 64.96 12.46 52.50 264.31 9166.41 03:00:01 32.89 0.03 32.86 0.80 6693.14 03:01:01 8.28 0.02 8.27 0.13 357.14 03:02:01 53.55 0.98 52.57 89.17 12226.06 Average: 59.32 13.66 45.67 790.24 13799.60 02:57:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:01 5967428 7386984 2199984 26.94 36872 1563092 722428 7.84 612596 1425076 83344 02:59:01 5688824 7339936 2478588 30.35 56372 1759796 847772 9.20 678936 1605648 121772 03:00:01 5502100 7227048 2665312 32.63 58540 1829588 887068 9.63 792948 1674148 1404 03:01:01 5424736 7204280 2742676 33.58 60352 1880972 895692 9.72 816676 1723632 49980 03:02:01 5328788 7418132 2838624 34.76 65784 2178380 656320 7.12 623596 2000652 27248 Average: 5582375 7315276 2585037 31.65 55584 1842366 801856 8.70 704950 1685831 56750 02:57:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:01 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 02:58:01 ens3 388.11 215.62 1418.69 63.66 0.00 0.00 0.00 0.00 02:59:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 02:59:01 ens3 58.18 44.69 444.30 13.35 0.00 0.00 0.00 0.00 03:00:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:00:01 ens3 90.52 99.97 1151.68 14.74 0.00 0.00 0.00 0.00 03:01:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:01:01 ens3 186.20 192.98 862.15 23.52 0.00 0.00 0.00 0.00 03:02:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:02:01 ens3 483.46 425.87 3236.65 64.19 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 240.81 195.75 1422.71 35.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8276) 03/07/26 _x86_64_ (4 CPU) 02:56:52 LINUX RESTART (4 CPU) 02:57:02 CPU %user %nice %system %iowait %steal %idle 02:58:01 all 21.62 0.00 1.89 4.67 2.29 69.53 02:58:01 0 13.11 0.00 1.55 4.86 3.16 77.32 02:58:01 1 26.28 0.00 2.38 2.71 1.97 66.66 02:58:01 2 29.94 0.00 1.98 9.49 2.25 56.35 02:58:01 3 17.24 0.00 1.65 1.62 1.80 77.70 02:59:01 all 22.78 0.00 1.65 2.33 1.66 71.59 02:59:01 0 21.58 0.00 1.49 1.92 1.82 73.18 02:59:01 1 24.06 0.00 1.61 0.28 1.53 72.52 02:59:01 2 33.55 0.00 2.52 7.02 1.91 54.99 02:59:01 3 11.93 0.00 0.96 0.12 1.34 85.65 03:00:01 all 11.35 0.00 0.68 0.43 1.09 86.45 03:00:01 0 4.55 0.00 0.68 1.40 0.86 92.50 03:00:01 1 10.32 0.00 0.32 0.05 0.88 88.44 03:00:01 2 18.49 0.00 0.28 0.08 1.36 79.78 03:00:01 3 12.07 0.00 1.45 0.18 1.27 85.02 03:01:01 all 5.82 0.00 0.47 0.03 0.51 93.17 03:01:01 0 4.55 0.00 0.57 0.07 0.38 94.43 03:01:01 1 5.97 0.00 0.28 0.03 0.48 93.23 03:01:01 2 4.68 0.00 0.15 0.02 0.40 94.75 03:01:01 3 8.09 0.00 0.88 0.02 0.78 90.23 03:02:01 all 21.30 0.00 1.68 0.73 1.93 74.34 03:02:01 0 14.24 0.00 1.00 2.31 1.34 81.12 03:02:01 1 16.03 0.00 1.80 0.26 1.80 80.10 03:02:01 2 38.09 0.00 1.64 0.13 2.26 57.88 03:02:01 3 16.80 0.00 2.32 0.23 2.32 78.33 Average: all 16.58 0.00 1.27 1.63 1.50 79.02 Average: 0 11.61 0.00 1.06 2.11 1.51 83.71 Average: 1 16.51 0.00 1.28 0.66 1.33 80.21 Average: 2 24.96 0.00 1.31 3.33 1.64 68.76 Average: 3 13.22 0.00 1.45 0.43 1.50 83.39