---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1331 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: 2799.998 BogoMIPS: 5599.99 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 455 5193 0 2327 7237 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:7a:51:1c brd ff:ff:ff:ff:ff:ff inet 10.32.7.231/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86039sec preferred_lft 86039sec inet6 fe80::f816:3eff:fe7a:511c/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-1331) 04/25/26 _x86_64_ (4 CPU) 02:56:59 LINUX RESTART (4 CPU) 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:02 190.55 107.45 83.11 5375.54 40136.64 02:59:01 71.07 12.73 58.35 269.51 10421.01 03:00:01 30.99 0.03 30.96 1.60 6126.71 03:01:01 10.16 0.00 10.16 0.00 371.81 03:02:01 49.10 1.02 48.08 89.44 12129.82 Average: 70.37 24.28 46.09 1150.18 13848.54 02:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:02 6023564 7409164 2143856 26.25 36168 1530176 709100 7.69 589268 1394212 69280 02:59:01 5696832 7346456 2470588 30.25 56468 1757932 847060 9.19 673292 1604460 105604 03:00:01 5528972 7252292 2638448 32.30 58612 1827652 887264 9.63 768800 1672896 1448 03:01:01 5474552 7236368 2692868 32.97 60444 1862792 895880 9.72 785772 1706404 31624 03:02:01 5345592 7433464 2821828 34.55 65756 2176508 670208 7.27 608708 1998804 28684 Average: 5613902 7335549 2553518 31.26 55490 1831012 801902 8.70 685168 1675355 47328 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:02 lo 2.13 2.13 0.19 0.19 0.00 0.00 0.00 0.00 02:58:02 ens3 365.63 208.40 1214.69 64.50 0.00 0.00 0.00 0.00 02:59:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 02:59:01 ens3 86.00 63.82 721.08 15.42 0.00 0.00 0.00 0.00 03:00:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:00:01 ens3 97.03 103.28 1151.38 14.60 0.00 0.00 0.00 0.00 03:01:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:01:01 ens3 178.94 179.74 586.16 22.69 0.00 0.00 0.00 0.00 03:02:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:02:01 ens3 544.70 455.65 3516.02 65.13 0.00 0.00 0.00 0.00 Average: lo 0.92 0.92 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 255.03 202.65 1440.27 36.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1331) 04/25/26 _x86_64_ (4 CPU) 02:56:59 LINUX RESTART (4 CPU) 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:02 all 21.64 0.00 2.70 6.55 2.53 66.58 02:58:02 0 34.92 0.00 1.71 2.89 2.46 58.02 02:58:02 1 20.27 0.00 2.16 3.11 2.44 72.02 02:58:02 2 9.79 0.00 1.69 9.74 2.16 76.62 02:58:02 3 21.59 0.00 5.27 10.47 3.07 59.60 02:59:01 all 22.33 0.00 1.39 1.96 1.83 72.48 02:59:01 0 37.33 0.00 2.23 0.42 1.93 58.09 02:59:01 1 8.85 0.00 0.57 0.45 2.21 87.92 02:59:01 2 37.92 0.00 2.19 5.82 1.99 52.08 02:59:01 3 5.33 0.00 0.57 1.13 1.22 91.75 03:00:01 all 9.58 0.00 0.54 0.50 1.39 87.99 03:00:01 0 7.67 0.00 0.48 0.07 1.28 90.50 03:00:01 1 10.98 0.00 0.86 0.12 1.70 86.34 03:00:01 2 15.58 0.00 0.23 0.25 1.43 82.51 03:00:01 3 4.12 0.00 0.56 1.59 1.11 92.61 03:01:01 all 5.10 0.00 0.43 0.12 0.78 93.56 03:01:01 0 2.73 0.00 0.17 0.07 0.53 96.51 03:01:01 1 7.14 0.00 0.30 0.10 0.94 91.52 03:01:01 2 8.34 0.00 0.98 0.20 0.88 89.60 03:01:01 3 2.15 0.00 0.32 0.13 0.78 96.62 03:02:01 all 20.60 0.00 1.74 0.63 2.11 74.91 03:02:01 0 40.47 0.00 3.06 0.23 2.96 53.29 03:02:01 1 16.38 0.00 0.83 0.30 1.53 80.97 03:02:01 2 8.77 0.00 1.08 0.07 1.62 88.46 03:02:01 3 16.63 0.00 1.97 1.94 2.35 77.12 Average: all 15.84 0.00 1.36 1.95 1.73 79.12 Average: 0 24.61 0.00 1.53 0.73 1.83 71.29 Average: 1 12.73 0.00 0.95 0.82 1.76 83.74 Average: 2 16.01 0.00 1.23 3.21 1.62 77.94 Average: 3 9.99 0.00 1.74 3.06 1.71 83.49