---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1664 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 465 5412 0 2097 7231 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:ce:1f:43 brd ff:ff:ff:ff:ff:ff inet 10.32.7.116/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fece:1f43/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1664) 12/25/25 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 138.69 56.89 81.80 3660.46 40584.99 19:15:01 70.30 12.83 57.47 309.42 10012.60 19:16:01 59.54 6.72 52.82 413.66 6910.71 19:17:01 22.93 0.42 22.51 37.85 4352.28 Average: 72.86 19.21 53.65 1105.30 15464.68 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5967072 7393284 2200340 26.94 37128 1569024 724148 7.86 607704 1428640 85880 19:15:01 5617560 7283804 2549852 31.22 57668 1772408 872540 9.47 738988 1613608 105712 19:16:01 5551136 7408996 2616276 32.03 63284 1953388 697304 7.57 689320 1719032 114472 19:17:01 5539160 7400700 2628252 32.18 65248 1955412 692652 7.52 705400 1715456 10800 Average: 5668732 7371696 2498680 30.59 55832 1812558 746661 8.10 685353 1619184 79216 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 ens3 433.29 260.27 1435.20 68.53 0.00 0.00 0.00 0.00 19:14:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 19:15:01 ens3 80.35 56.96 469.13 16.26 0.00 0.00 0.00 0.00 19:15:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 19:16:01 ens3 250.39 257.89 1228.24 137.10 0.00 0.00 0.00 0.00 19:16:01 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 19:17:01 ens3 51.40 53.73 28.06 442.90 0.00 0.00 0.00 0.00 19:17:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 203.85 157.21 790.13 166.21 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 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-1664) 12/25/25 _x86_64_ (4 CPU) 19:12:54 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 20.76 0.00 2.56 4.83 2.47 69.38 19:14:01 0 31.43 0.00 1.91 3.89 2.66 60.11 19:14:01 1 12.17 0.00 4.37 6.75 2.38 74.33 19:14:01 2 26.25 0.00 2.12 3.74 2.80 65.10 19:14:01 3 13.24 0.00 1.84 4.94 2.02 77.96 19:15:01 all 23.35 0.00 1.44 1.92 2.31 70.98 19:15:01 0 10.23 0.00 0.71 5.47 1.66 81.93 19:15:01 1 24.96 0.00 1.17 0.81 2.58 70.49 19:15:01 2 44.43 0.00 2.66 0.79 3.41 48.70 19:15:01 3 13.73 0.00 1.25 0.60 1.59 82.83 19:16:01 all 33.26 0.00 1.63 1.09 4.48 59.55 19:16:01 0 29.86 0.00 1.54 0.88 4.10 63.63 19:16:01 1 52.46 0.00 1.96 1.70 4.82 39.06 19:16:01 2 28.56 0.00 1.55 0.43 4.35 65.12 19:16:01 3 22.20 0.00 1.48 1.35 4.65 70.32 19:17:01 all 20.86 0.00 0.89 0.75 1.41 76.09 19:17:01 0 1.26 0.00 0.25 0.38 0.37 97.74 19:17:01 1 56.94 0.00 1.54 0.25 2.44 38.83 19:17:01 2 20.74 0.00 0.93 0.08 1.41 76.83 19:17:01 3 4.53 0.00 0.84 2.25 1.41 90.97 Average: all 24.57 0.00 1.63 2.14 2.67 68.99 Average: 0 18.21 0.00 1.10 2.65 2.20 75.84 Average: 1 36.60 0.00 2.26 2.38 3.05 55.70 Average: 2 30.00 0.00 1.82 1.26 2.99 63.93 Average: 3 13.44 0.00 1.35 2.28 2.42 80.51