---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60846 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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): 4 On-line CPU(s) list: 0-3 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): 4 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 645 10645 4 4698 15000 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:5d:15:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84715sec preferred_lft 84715sec inet6 fe80::f816:3eff:fe5d:15ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:75:91:1a:70:43 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 inet6 fe80::6875:91ff:fe1a:7043/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-60846) 09/30/26 _x86_64_ (4 CPU) 09:26:09 LINUX RESTART (4 CPU) 09:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:01 14.43 0.04 1.39 13.00 1.94 18.08 247585.79 09:50:15 63.28 4.84 55.07 3.37 278.71 5762.09 5548.10 Average: 39.37 2.49 28.80 8.08 143.27 2951.11 123995.76 09:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:01 13738872 15523920 494440 3.02 53868 1958984 1158760 6.65 191608 2181476 200 09:50:15 11479908 15352012 607896 3.71 135288 3866408 1213168 6.96 709396 3774800 529264 Average: 12609390 15437966 551168 3.37 94578 2912696 1185964 6.81 450502 2978138 264732 09:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:40:01 ens3 0.48 0.18 0.15 0.08 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:15 lo 784.67 784.67 747.24 747.24 0.00 0.00 0.00 0.00 09:50:15 ens3 164.29 123.15 1254.99 19.21 0.00 0.00 0.00 0.00 09:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 400.72 400.72 381.56 381.56 0.00 0.00 0.00 0.00 Average: ens3 84.13 62.97 640.90 9.85 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-60846) 09/30/26 _x86_64_ (4 CPU) 09:26:09 LINUX RESTART (4 CPU) 09:30:13 CPU %user %nice %system %iowait %steal %idle 09:40:01 all 0.06 0.00 0.03 0.04 0.00 99.86 09:40:01 0 0.04 0.00 0.03 0.00 0.00 99.92 09:40:01 1 0.13 0.00 0.02 0.00 0.00 99.85 09:40:01 2 0.06 0.00 0.07 0.10 0.01 99.76 09:40:01 3 0.02 0.00 0.01 0.07 0.00 99.90 09:50:15 all 41.41 0.00 2.06 0.67 0.03 55.83 09:50:15 0 42.28 0.00 2.22 0.28 0.03 55.19 09:50:15 1 40.83 0.00 2.32 0.55 0.03 56.27 09:50:15 2 39.84 0.00 1.87 1.62 0.03 56.64 09:50:15 3 42.69 0.00 1.82 0.24 0.03 55.22 Average: all 21.17 0.00 1.07 0.37 0.02 77.38 Average: 0 21.60 0.00 1.15 0.15 0.02 77.09 Average: 1 20.93 0.00 1.20 0.28 0.02 77.57 Average: 2 20.35 0.00 0.99 0.87 0.02 77.77 Average: 3 21.79 0.00 0.94 0.16 0.01 77.10