---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3767 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 758 19815 4 11517 30865 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:79:46:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.124/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84693sec preferred_lft 84693sec inet6 fe80::f816:3eff:fe79:4664/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:f2:27:64:14:d9 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3767) 08/03/26 _x86_64_ (8 CPU) 13:17:39 LINUX RESTART (8 CPU) 13:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:10 366.37 1.61 358.77 5.99 56.49 22082.37 22498.92 13:40:02 10.46 0.23 9.01 1.22 2.77 1558.41 318.99 Average: 189.66 0.92 185.12 3.62 29.82 11892.55 11486.95 13:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:10 17803432 26807224 5438448 16.55 473136 8065320 9984992 29.44 1497008 12352836 13280 13:40:02 16528288 25930128 6311080 19.20 480900 8433252 9354972 27.59 1578236 13516124 6760 Average: 17165860 26368676 5874764 17.88 477018 8249286 9669982 28.52 1537622 12934480 10020 13:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:10 lo 1.61 1.61 0.99 0.99 0.00 0.00 0.00 0.00 13:30:10 ens3 316.17 200.16 1384.31 69.60 0.00 0.00 0.00 0.00 13:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 6.49 6.49 1.05 1.05 0.00 0.00 0.00 0.00 13:40:02 ens3 120.00 72.49 90.29 34.41 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.03 4.03 1.02 1.02 0.00 0.00 0.00 0.00 Average: ens3 218.77 136.78 741.85 52.13 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3767) 08/03/26 _x86_64_ (8 CPU) 13:17:39 LINUX RESTART (8 CPU) 13:20:10 CPU %user %nice %system %iowait %steal %idle 13:30:10 all 67.28 0.00 3.72 0.41 0.12 28.47 13:30:10 0 66.77 0.00 3.70 0.42 0.12 28.98 13:30:10 1 66.68 0.00 3.98 0.50 0.12 28.73 13:30:10 2 66.53 0.00 3.56 0.38 0.13 29.40 13:30:10 3 67.67 0.00 3.37 0.42 0.12 28.42 13:30:10 4 63.55 0.00 3.80 0.42 0.12 32.12 13:30:10 5 68.48 0.00 3.53 0.38 0.12 27.49 13:30:10 6 72.46 0.00 3.77 0.37 0.12 23.27 13:30:10 7 66.12 0.00 4.03 0.38 0.12 29.36 13:40:02 all 96.88 0.00 2.94 0.00 0.13 0.05 13:40:02 0 96.86 0.00 2.97 0.00 0.13 0.04 13:40:02 1 96.83 0.00 3.00 0.00 0.13 0.04 13:40:02 2 96.86 0.00 2.96 0.00 0.14 0.05 13:40:02 3 97.05 0.00 2.78 0.00 0.13 0.05 13:40:02 4 96.80 0.00 3.02 0.00 0.13 0.04 13:40:02 5 96.94 0.00 2.89 0.00 0.13 0.04 13:40:02 6 97.00 0.00 2.81 0.00 0.13 0.06 13:40:02 7 96.74 0.00 3.09 0.00 0.13 0.05 Average: all 82.01 0.00 3.33 0.21 0.13 14.33 Average: 0 81.73 0.00 3.34 0.21 0.13 14.59 Average: 1 81.66 0.00 3.49 0.25 0.12 14.47 Average: 2 81.62 0.00 3.26 0.19 0.13 14.80 Average: 3 82.29 0.00 3.07 0.21 0.12 14.30 Average: 4 80.10 0.00 3.42 0.21 0.12 16.15 Average: 5 82.64 0.00 3.21 0.19 0.12 13.83 Average: 6 84.66 0.00 3.29 0.19 0.13 11.73 Average: 7 81.36 0.00 3.56 0.19 0.13 14.77