---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29892 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 nrip_save 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 672 10495 4 4821 14974 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:5a:41:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84686sec preferred_lft 84686sec inet6 fe80::f816:3eff:fe5a:4196/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:6f:75:b5:6f:c7 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-29892) 06/23/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 13.65 2.01 10.73 0.90 129.04 2923.15 2065.29 15:50:15 44.00 0.88 26.14 16.98 29.72 4111.80 237098.08 Average: 29.19 1.43 18.62 9.13 78.19 3531.67 122388.37 15:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10621888 13980180 1979472 12.09 133268 3344320 2274896 13.06 560072 4805668 25096 15:50:15 8626508 13144768 2805548 17.14 172108 4376396 2894740 16.62 882176 6366656 41148 Average: 9624198 13562474 2392510 14.61 152688 3860358 2584818 14.84 721124 5586162 33122 15:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.18 1.18 0.12 0.12 0.00 0.00 0.00 0.00 15:40:01 ens3 97.40 79.29 612.72 18.85 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:15 lo 1747.38 1747.38 1666.00 1666.00 0.00 0.00 0.00 0.00 15:50:15 ens3 83.94 63.17 419.66 17.29 0.00 0.00 0.00 0.00 15:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 895.13 895.13 852.95 852.95 0.00 0.00 0.00 0.00 Average: ens3 90.51 71.04 513.89 18.05 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-29892) 06/23/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:15 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 58.49 0.00 1.91 0.06 0.09 39.46 15:40:01 0 62.55 0.00 2.12 0.06 0.09 35.19 15:40:01 1 55.65 0.00 1.93 0.09 0.09 42.24 15:40:01 2 58.41 0.00 1.91 0.02 0.09 39.57 15:40:01 3 57.37 0.00 1.66 0.05 0.09 40.83 15:50:15 all 68.73 0.00 2.71 0.31 0.12 28.13 15:50:15 0 68.57 0.00 2.43 0.33 0.12 28.55 15:50:15 1 68.32 0.00 2.57 0.24 0.11 28.76 15:50:15 2 67.73 0.00 2.78 0.22 0.12 29.15 15:50:15 3 70.29 0.00 3.08 0.47 0.11 26.05 Average: all 63.73 0.00 2.32 0.19 0.10 33.66 Average: 0 65.63 0.00 2.28 0.19 0.10 31.79 Average: 1 62.13 0.00 2.26 0.17 0.10 35.34 Average: 2 63.17 0.00 2.36 0.13 0.10 34.24 Average: 3 63.98 0.00 2.39 0.26 0.10 33.27