---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1253 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 457 5134 0 2384 7234 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:6b:b5:99 brd ff:ff:ff:ff:ff:ff inet 10.32.6.23/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86020sec preferred_lft 86020sec inet6 fe80::f816:3eff:fe6b:b599/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1253) 12/20/25 _x86_64_ (4 CPU) 11:16:55 LINUX RESTART (4 CPU) 11:17:01 tps rtps wtps bread/s bwrtn/s 11:18:02 148.49 66.72 81.77 4273.15 40590.72 11:19:01 88.61 30.21 58.40 1684.85 10172.28 11:20:01 31.61 0.22 31.39 3.07 6130.98 11:21:01 9.72 0.00 9.72 0.00 384.20 11:22:01 47.04 2.13 44.91 115.05 8870.79 11:23:01 24.99 0.70 24.29 77.84 4794.27 Average: 58.33 16.63 41.70 1023.82 11828.23 11:17:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:18:02 5979988 7402528 2187432 26.78 36848 1565544 724828 7.86 596340 1426888 85900 11:19:01 5670256 7372504 2497164 30.57 56968 1809060 837972 9.09 643984 1656452 103740 11:20:01 5528444 7305068 2638976 32.31 59216 1879328 792676 8.60 712912 1725412 1636 11:21:01 5510964 7294900 2656456 32.53 61116 1883844 792676 8.60 724572 1729036 1240 11:22:01 5232308 7375372 2935112 35.94 66064 2230684 717696 7.79 681516 2036400 115436 11:23:01 5244488 7392704 2922932 35.79 68364 2233240 708956 7.69 670940 2034428 10848 Average: 5527741 7357179 2639679 32.32 58096 1933617 762467 8.27 671711 1768103 53133 11:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:18:02 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 11:18:02 ens3 462.01 223.28 1435.18 65.06 0.00 0.00 0.00 0.00 11:19:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 11:19:01 ens3 79.23 48.27 460.18 13.58 0.00 0.00 0.00 0.00 11:20:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 11:20:01 ens3 100.12 104.32 1160.97 15.35 0.00 0.00 0.00 0.00 11:21:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:21:01 ens3 57.72 82.94 65.25 13.42 0.00 0.00 0.00 0.00 11:22:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 11:22:01 ens3 622.96 547.36 4081.10 70.79 0.00 0.00 0.00 0.00 11:23:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 11:23:01 ens3 11.75 12.86 9.21 6.08 0.00 0.00 0.00 0.00 Average: lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 222.69 170.17 1203.99 30.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1253) 12/20/25 _x86_64_ (4 CPU) 11:16:55 LINUX RESTART (4 CPU) 11:17:01 CPU %user %nice %system %iowait %steal %idle 11:18:02 all 20.89 0.00 2.49 4.76 2.54 69.33 11:18:02 0 28.91 0.00 2.07 6.82 2.98 59.22 11:18:02 1 22.45 0.00 2.80 3.26 2.83 68.66 11:18:02 2 22.16 0.00 1.59 4.55 2.58 69.12 11:18:02 3 9.94 0.00 3.51 4.39 1.76 80.39 11:19:01 all 21.22 0.00 1.40 2.52 1.85 73.01 11:19:01 0 16.11 0.00 1.01 5.45 1.98 75.45 11:19:01 1 21.00 0.00 1.23 1.79 1.60 74.38 11:19:01 2 36.57 0.00 2.34 0.84 2.68 57.57 11:19:01 3 11.14 0.00 1.03 1.98 1.12 84.72 11:20:01 all 10.39 0.00 0.53 0.45 1.71 86.91 11:20:01 0 10.15 0.00 0.36 0.15 1.51 87.83 11:20:01 1 5.34 0.00 0.73 0.36 1.70 91.86 11:20:01 2 11.10 0.00 0.53 0.00 1.76 86.61 11:20:01 3 14.99 0.00 0.50 1.26 1.90 81.35 11:21:01 all 3.46 0.00 0.32 0.05 1.19 94.97 11:21:01 0 0.25 0.00 0.08 0.17 0.28 99.22 11:21:01 1 5.90 0.00 0.20 0.02 2.00 91.88 11:21:01 2 6.43 0.00 0.96 0.03 1.56 91.01 11:21:01 3 1.23 0.00 0.07 0.02 0.91 97.78 11:22:01 all 19.12 0.00 1.50 0.62 2.52 76.24 11:22:01 0 10.44 0.00 1.02 1.17 1.88 85.48 11:22:01 1 16.98 0.00 2.06 0.28 3.10 77.58 11:22:01 2 27.19 0.00 1.54 0.73 2.81 67.73 11:22:01 3 21.90 0.00 1.41 0.28 2.26 74.14 11:23:01 all 20.38 0.00 1.03 0.85 1.48 76.26 11:23:01 0 13.60 0.00 0.55 1.30 0.88 83.68 11:23:01 1 30.83 0.00 1.21 1.04 1.76 65.16 11:23:01 2 12.82 0.00 0.94 0.69 1.78 83.76 11:23:01 3 24.32 0.00 1.36 0.37 1.53 72.42 Average: all 15.90 0.00 1.21 1.54 1.88 79.47 Average: 0 13.25 0.00 0.85 2.51 1.59 81.81 Average: 1 17.06 0.00 1.37 1.12 2.17 78.27 Average: 2 19.33 0.00 1.31 1.14 2.19 76.01 Average: 3 13.92 0.00 1.31 1.38 1.58 81.80