---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2017 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 7.6G 12G 40% / 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 461 5363 0 2150 7236 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:db:88:ee brd ff:ff:ff:ff:ff:ff inet 10.32.6.250/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fedb:88ee/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-2017) 12/30/25 _x86_64_ (4 CPU) 07:04:43 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 99.17 28.74 70.43 949.68 5676.66 07:07:02 82.64 29.93 52.71 1680.25 7895.48 07:08:01 56.62 9.39 47.24 522.13 10039.31 07:09:01 20.70 0.35 20.35 33.73 1428.03 Average: 64.82 17.13 47.68 797.59 6244.19 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5854912 7403076 2312508 28.31 46324 1674384 711728 7.72 635796 1500240 165968 07:07:02 5592008 7304660 2575412 31.53 59684 1815760 806496 8.75 721448 1657680 97356 07:08:01 5526908 7438676 2640512 32.33 63428 2007428 664828 7.21 699192 1737800 26972 07:09:01 5548308 7463608 2619112 32.07 65400 2008624 637752 6.92 678636 1736080 10704 Average: 5630534 7402505 2536886 31.06 58709 1876549 705201 7.65 683768 1657950 75250 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 223.69 133.16 1111.33 46.46 0.00 0.00 0.00 0.00 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:07:02 ens3 127.85 109.52 508.91 26.17 0.00 0.00 0.00 0.00 07:07:02 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 210.18 235.29 1208.48 643.34 0.00 0.00 0.00 0.00 07:08:01 lo 1.39 1.39 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 11.65 12.35 9.10 5.91 0.00 0.00 0.00 0.00 07:09:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 143.07 122.11 707.40 178.55 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2017) 12/30/25 _x86_64_ (4 CPU) 07:04:43 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.39 0.00 1.56 3.19 1.51 71.35 07:06:01 0 20.28 0.00 1.23 5.59 1.53 71.37 07:06:01 1 9.14 0.00 0.62 2.38 0.77 87.09 07:06:01 2 47.18 0.00 3.10 0.80 2.77 46.15 07:06:01 3 12.89 0.00 1.30 4.00 0.97 80.85 07:07:02 all 26.80 0.00 1.60 1.94 2.55 67.12 07:07:02 0 16.51 0.00 1.27 4.23 1.93 76.07 07:07:02 1 20.02 0.00 1.20 0.42 2.13 76.24 07:07:02 2 51.72 0.00 2.55 1.24 3.86 40.62 07:07:02 3 18.81 0.00 1.35 1.86 2.30 75.68 07:08:01 all 33.56 0.00 2.02 0.99 3.49 59.94 07:08:01 0 26.90 0.00 1.99 2.78 3.52 64.82 07:08:01 1 49.46 0.00 2.02 0.37 3.35 44.79 07:08:01 2 29.12 0.00 2.37 0.57 3.78 64.16 07:08:01 3 28.81 0.00 1.70 0.25 3.30 65.94 07:09:01 all 21.11 0.00 1.00 0.79 1.18 75.93 07:09:01 0 27.00 0.00 1.43 0.42 1.07 70.09 07:09:01 1 52.38 0.00 1.63 0.33 2.14 43.52 07:09:01 2 1.09 0.00 0.55 1.66 0.73 95.97 07:09:01 3 3.95 0.00 0.38 0.73 0.80 94.14 Average: all 25.94 0.00 1.54 1.73 2.18 68.61 Average: 0 22.66 0.00 1.48 3.25 2.01 70.60 Average: 1 32.71 0.00 1.36 0.88 2.09 62.96 Average: 2 32.29 0.00 2.14 1.07 2.78 61.72 Average: 3 16.08 0.00 1.18 1.72 1.84 79.19