---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-284 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.8G 12G 41% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 416 1175 0 2352 3260 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:e3:bf:2f brd ff:ff:ff:ff:ff:ff inet 10.32.7.51/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85980sec preferred_lft 85980sec inet6 fe80::f816:3eff:fee3:bf2f/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-284) 07/12/25 _x86_64_ (4 CPU) 22:37:58 LINUX RESTART (4 CPU) 22:38:02 tps rtps wtps bread/s bwrtn/s 22:39:01 181.21 97.78 83.43 5255.65 40806.66 22:40:01 55.16 0.22 54.95 26.66 9166.94 22:41:01 62.12 29.68 32.44 1629.33 6654.22 22:42:01 8.07 0.02 8.05 0.13 274.49 22:43:01 11.83 0.00 11.83 0.00 3561.21 22:44:01 50.75 2.75 48.00 190.07 9147.75 Average: 61.19 21.53 39.66 1172.21 11520.19 22:38:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:39:01 1966200 3369680 2072444 51.32 35748 1532124 619176 12.17 524152 1393020 70496 22:40:01 1687684 3342728 2350960 58.21 55220 1748776 630176 12.39 564112 1600108 127680 22:41:01 1466620 3224980 2572024 63.69 58104 1847136 739212 14.53 687832 1692764 596 22:42:01 1453444 3217960 2585200 64.01 59788 1850816 743604 14.62 696260 1695724 1052 22:43:01 1328060 3195516 2710584 67.12 61284 1949940 788452 15.50 719396 1793328 1964 22:44:01 1224192 3355128 2814452 69.69 66616 2202328 599580 11.79 598480 2006648 25528 Average: 1521033 3284332 2517611 62.34 56127 1855187 686700 13.50 631705 1696932 37886 22:38:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:39:01 lo 2.17 2.17 0.20 0.20 0.00 0.00 0.00 0.00 22:39:01 ens3 376.38 196.59 1208.38 64.69 0.00 0.00 0.00 0.00 22:40:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 22:40:01 ens3 39.42 31.99 539.75 4.29 0.00 0.00 0.00 0.00 22:41:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 22:41:01 ens3 113.46 87.60 900.99 18.25 0.00 0.00 0.00 0.00 22:42:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 22:42:01 ens3 48.93 68.86 52.52 11.09 0.00 0.00 0.00 0.00 22:43:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 22:43:01 ens3 282.87 227.34 1670.43 26.62 0.00 0.00 0.00 0.00 22:44:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 22:44:01 ens3 313.40 316.73 2457.56 58.01 0.00 0.00 0.00 0.00 Average: lo 0.81 0.81 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 195.24 154.74 1138.11 30.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-284) 07/12/25 _x86_64_ (4 CPU) 22:37:58 LINUX RESTART (4 CPU) 22:38:02 CPU %user %nice %system %iowait %steal %idle 22:39:01 all 20.77 0.00 2.71 6.62 3.12 66.79 22:39:01 0 18.46 0.00 3.07 8.10 2.63 67.73 22:39:01 1 18.20 0.00 3.04 4.45 3.38 70.93 22:39:01 2 32.73 0.00 2.89 6.99 4.03 53.36 22:39:01 3 13.68 0.00 1.81 6.93 2.45 75.12 22:40:01 all 19.59 0.00 1.19 2.27 2.41 74.54 22:40:01 0 31.87 0.00 1.71 0.50 1.63 64.29 22:40:01 1 5.09 0.00 0.39 0.81 3.86 89.86 22:40:01 2 40.78 0.00 2.25 0.51 3.06 53.40 22:40:01 3 0.88 0.00 0.46 7.28 1.03 90.35 22:41:01 all 12.39 0.00 0.75 1.29 2.43 83.14 22:41:01 0 14.05 0.00 1.05 1.69 2.73 80.48 22:41:01 1 9.81 0.00 0.95 2.30 2.71 84.22 22:41:01 2 11.34 0.00 0.45 0.71 1.90 85.61 22:41:01 3 14.39 0.00 0.53 0.48 2.38 82.22 22:42:01 all 5.07 0.00 0.30 0.05 1.70 92.88 22:42:01 0 6.51 0.00 0.51 0.00 1.83 91.15 22:42:01 1 3.62 0.00 0.17 0.00 1.40 94.82 22:42:01 2 5.06 0.00 0.26 0.02 1.52 93.14 22:42:01 3 5.07 0.00 0.25 0.18 2.06 92.44 22:43:01 all 5.36 0.00 0.49 0.14 2.12 91.90 22:43:01 0 4.10 0.00 0.43 0.15 1.92 93.40 22:43:01 1 3.91 0.00 0.41 0.02 2.37 93.29 22:43:01 2 6.53 0.00 0.23 0.00 1.23 92.01 22:43:01 3 6.89 0.00 0.87 0.41 2.93 88.90 22:44:01 all 20.88 0.00 1.49 1.05 3.20 73.38 22:44:01 0 16.82 0.00 1.59 0.25 2.48 78.87 22:44:01 1 19.46 0.00 1.25 0.23 2.74 76.32 22:44:01 2 37.33 0.00 1.45 0.54 3.79 56.89 22:44:01 3 10.00 0.00 1.68 3.13 3.74 81.46 Average: all 14.00 0.00 1.15 1.89 2.49 80.47 Average: 0 15.27 0.00 1.39 1.77 2.20 79.38 Average: 1 9.97 0.00 1.03 1.29 2.75 84.96 Average: 2 22.31 0.00 1.25 1.45 2.59 72.41 Average: 3 8.47 0.00 0.93 3.05 2.44 85.11