---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-575 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 468 5154 0 2353 7224 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:94:39:c4 brd ff:ff:ff:ff:ff:ff inet 10.32.6.227/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86012sec preferred_lft 86012sec inet6 fe80::f816:3eff:fe94:39c4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-575) 08/09/25 _x86_64_ (4 CPU) 15:07:57 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 165.13 85.24 79.89 4954.22 40095.72 15:10:01 54.22 0.22 54.00 26.66 9149.35 15:11:01 63.79 29.68 34.11 1628.93 6718.21 15:12:01 8.83 0.00 8.83 0.00 349.81 15:13:01 45.38 2.15 43.24 115.16 8765.08 15:14:01 26.41 0.70 25.71 77.85 4864.26 Average: 60.63 19.66 40.96 1133.85 11657.71 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 6032964 7422080 2134456 26.13 36104 1533160 692736 7.52 574640 1395256 70604 15:10:01 5780056 7404900 2387364 29.23 54324 1737128 703972 7.64 605132 1590560 114880 15:11:01 5521656 7266324 2645764 32.39 58728 1848492 813444 8.83 750468 1694824 1324 15:12:01 5500808 7253072 2666612 32.65 60732 1853140 821472 8.91 766184 1698484 2380 15:13:01 5319536 7426012 2847884 34.87 65372 2195260 654116 7.10 627976 2003344 110784 15:14:01 5317596 7434460 2849824 34.89 67964 2202832 651848 7.07 626532 2005728 10128 Average: 5578769 7367808 2588651 31.69 57204 1895002 722931 7.84 658489 1731366 51683 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 ens3 363.51 215.41 1203.41 65.88 0.00 0.00 0.00 0.00 15:09:01 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 15:10:01 ens3 37.79 31.12 532.28 4.17 0.00 0.00 0.00 0.00 15:10:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 15:11:01 ens3 113.46 103.67 914.76 17.93 0.00 0.00 0.00 0.00 15:11:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 15:12:01 ens3 59.79 84.64 66.20 13.80 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:13:01 ens3 601.02 545.30 4088.70 74.69 0.00 0.00 0.00 0.00 15:13:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 15:14:01 ens3 11.55 12.45 9.25 6.03 0.00 0.00 0.00 0.00 15:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 197.86 165.44 1135.83 30.42 0.00 0.00 0.00 0.00 Average: lo 0.79 0.79 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-575) 08/09/25 _x86_64_ (4 CPU) 15:07:57 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 23.47 0.00 3.22 5.36 1.78 66.17 15:09:01 0 12.85 0.00 1.91 6.92 1.40 76.91 15:09:01 1 37.44 0.00 2.79 5.61 1.96 52.20 15:09:01 2 20.33 0.00 5.92 3.95 1.92 67.88 15:09:01 3 23.23 0.00 2.30 4.94 1.81 67.72 15:10:01 all 20.49 0.00 1.39 1.91 1.25 74.96 15:10:01 0 1.15 0.00 0.48 2.46 0.33 95.57 15:10:01 1 15.45 0.00 1.38 3.28 1.13 78.77 15:10:01 2 32.80 0.00 1.84 0.22 1.59 63.55 15:10:01 3 32.47 0.00 1.85 1.70 1.95 62.03 15:11:01 all 16.56 0.00 0.97 1.13 1.80 79.54 15:11:01 0 18.95 0.00 0.43 1.10 1.25 78.27 15:11:01 1 21.78 0.00 1.69 1.74 2.11 72.67 15:11:01 2 10.80 0.00 0.60 0.91 1.77 85.92 15:11:01 3 14.74 0.00 1.14 0.78 2.07 81.27 15:12:01 all 4.89 0.00 0.41 0.04 1.35 93.31 15:12:01 0 2.23 0.00 0.03 0.00 0.33 97.41 15:12:01 1 8.37 0.00 1.31 0.03 2.17 88.12 15:12:01 2 1.74 0.00 0.10 0.02 0.89 97.26 15:12:01 3 7.17 0.00 0.21 0.13 1.99 90.49 15:13:01 all 15.99 0.00 1.53 0.59 3.03 78.86 15:13:01 0 15.21 0.00 1.14 0.10 2.50 81.06 15:13:01 1 14.42 0.00 1.34 0.96 3.21 80.07 15:13:01 2 14.71 0.00 1.12 0.75 2.89 80.53 15:13:01 3 19.62 0.00 2.52 0.52 3.51 73.82 15:14:01 all 20.38 0.00 0.94 1.37 1.34 75.97 15:14:01 0 16.34 0.00 1.11 0.08 0.81 81.65 15:14:01 1 52.50 0.00 1.59 4.02 2.33 39.57 15:14:01 2 3.74 0.00 0.51 1.32 1.53 92.91 15:14:01 3 9.00 0.00 0.55 0.05 0.68 89.72 Average: all 16.95 0.00 1.41 1.73 1.76 78.16 Average: 0 11.13 0.00 0.85 1.77 1.11 85.14 Average: 1 24.93 0.00 1.68 2.60 2.15 68.64 Average: 2 13.99 0.00 1.67 1.19 1.77 81.38 Average: 3 17.71 0.00 1.43 1.35 2.01 77.51