---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9270 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 467 5135 0 2372 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:be:36:84 brd ff:ff:ff:ff:ff:ff inet 10.32.7.246/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85867sec preferred_lft 85867sec inet6 fe80::f816:3eff:febe:3684/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9270) 11/15/25 _x86_64_ (4 CPU) 20:23:00 LINUX RESTART (4 CPU) 20:24:01 tps rtps wtps bread/s bwrtn/s 20:25:01 58.75 0.22 58.53 26.66 9625.06 20:26:01 64.89 29.75 35.14 1638.13 7521.81 20:27:01 9.65 0.02 9.63 0.13 368.61 20:28:01 35.32 7.13 28.19 630.19 3639.45 20:29:01 6.38 3.40 2.98 101.82 189.11 20:30:01 10.76 0.20 10.56 3.20 998.50 20:31:01 40.99 6.40 34.59 226.50 6860.19 Average: 32.39 6.73 25.66 375.22 4171.75 20:24:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:25:01 5759268 7396440 2408144 29.48 54708 1749000 697332 7.57 620172 1600292 119780 20:26:01 5457308 7234804 2710104 33.18 58492 1881700 844312 9.16 788792 1726112 1816 20:27:01 5443852 7228540 2723560 33.35 60328 1886144 852308 9.25 796428 1729828 1304 20:28:01 4554380 6462976 3613032 44.24 63152 2003480 1574496 17.08 1584264 1820416 4336 20:29:01 4402780 6314812 3764632 46.09 63252 2006632 1691280 18.35 1744020 1810052 40 20:30:01 4780752 6726760 3386660 41.47 64788 2037648 1263376 13.71 1363404 1812528 6620 20:31:01 5211400 7347308 2956012 36.19 68820 2220200 735328 7.98 811792 1928856 24104 Average: 5087106 6958806 3080306 37.71 61934 1969258 1094062 11.87 1101267 1775441 22571 20:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:25:01 ens3 50.07 38.15 657.51 4.95 0.00 0.00 0.00 0.00 20:25:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 20:26:01 ens3 120.11 107.87 1331.30 23.42 0.00 0.00 0.00 0.00 20:26:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 20:27:01 ens3 59.21 84.35 64.62 13.64 0.00 0.00 0.00 0.00 20:27:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 20:28:01 ens3 235.20 267.23 1600.66 41.43 0.00 0.00 0.00 0.00 20:28:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 20:29:01 ens3 1.50 1.47 0.38 0.42 0.00 0.00 0.00 0.00 20:29:01 lo 10.68 10.68 4.03 4.03 0.00 0.00 0.00 0.00 20:30:01 ens3 91.05 102.20 445.51 21.11 0.00 0.00 0.00 0.00 20:30:01 lo 19.23 19.23 4.10 4.10 0.00 0.00 0.00 0.00 20:31:01 ens3 133.46 149.36 677.99 33.35 0.00 0.00 0.00 0.00 20:31:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 98.66 107.23 682.56 19.76 0.00 0.00 0.00 0.00 Average: lo 4.67 4.67 1.20 1.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9270) 11/15/25 _x86_64_ (4 CPU) 20:23:00 LINUX RESTART (4 CPU) 20:24:01 CPU %user %nice %system %iowait %steal %idle 20:25:01 all 19.50 0.00 1.06 2.67 2.25 74.52 20:25:01 0 21.27 0.00 1.41 0.41 1.57 75.34 20:25:01 1 18.57 0.00 1.04 9.45 2.29 68.66 20:25:01 2 15.44 0.00 0.94 0.15 1.71 81.75 20:25:01 3 22.72 0.00 0.85 0.70 3.40 72.33 20:26:01 all 15.59 0.00 1.01 2.09 3.58 77.73 20:26:01 0 25.31 0.00 1.35 3.35 3.50 66.50 20:26:01 1 13.51 0.00 0.80 1.22 3.68 80.78 20:26:01 2 10.51 0.00 1.00 2.53 3.53 82.44 20:26:01 3 13.07 0.00 0.88 1.24 3.63 81.18 20:27:01 all 4.04 0.00 0.26 0.07 1.35 94.29 20:27:01 0 4.03 0.00 0.08 0.00 0.99 94.90 20:27:01 1 3.51 0.00 0.17 0.00 1.11 95.22 20:27:01 2 2.97 0.00 0.20 0.26 1.50 95.07 20:27:01 3 5.64 0.00 0.58 0.02 1.78 91.98 20:28:01 all 27.70 0.00 1.37 0.65 4.54 65.74 20:28:01 0 23.29 0.00 1.40 0.33 4.06 70.93 20:28:01 1 29.39 0.00 0.97 0.48 4.29 64.88 20:28:01 2 29.70 0.00 1.29 0.90 4.52 63.58 20:28:01 3 28.40 0.00 1.86 0.90 5.29 63.56 20:29:01 all 16.17 0.00 0.51 0.21 2.72 80.39 20:29:01 0 18.15 0.00 0.40 0.15 2.66 78.64 20:29:01 1 11.82 0.00 0.40 0.02 2.31 85.45 20:29:01 2 17.03 0.00 0.63 0.10 2.83 79.41 20:29:01 3 17.65 0.00 0.59 0.59 3.06 78.11 20:30:01 all 9.07 0.00 0.80 0.04 2.66 87.43 20:30:01 0 6.55 0.00 0.61 0.13 2.18 90.53 20:30:01 1 10.60 0.00 1.06 0.00 3.02 85.32 20:30:01 2 10.11 0.00 0.88 0.02 2.59 86.40 20:30:01 3 9.03 0.00 0.67 0.00 2.84 87.46 20:31:01 all 24.46 0.00 1.34 1.26 2.87 70.07 20:31:01 0 26.36 0.00 1.08 1.64 2.30 68.62 20:31:01 1 21.36 0.00 1.51 1.93 2.98 72.22 20:31:01 2 23.03 0.00 1.05 1.34 3.25 71.33 20:31:01 3 27.11 0.00 1.71 0.12 2.98 68.09 Average: all 16.66 0.00 0.91 1.00 2.86 78.58 Average: 0 17.85 0.00 0.90 0.86 2.47 77.92 Average: 1 15.54 0.00 0.85 1.87 2.81 78.92 Average: 2 15.55 0.00 0.86 0.76 2.85 79.98 Average: 3 17.68 0.00 1.02 0.51 3.29 77.50