---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-451661 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 10G 68G 13% / 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 687 10834 4 4466 14958 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:59:65:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84064sec preferred_lft 84064sec inet6 fe80::f816:3eff:fe59:65e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:02:06:0c:ce:97 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-451661) 03/12/26 _x86_64_ (4 CPU) 11:40:37 LINUX RESTART (4 CPU) 11:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:01 38.49 4.09 33.76 0.63 253.63 2715.65 995.01 12:10:03 48.23 0.65 39.83 7.75 20.37 4223.54 32477.75 Average: 43.37 2.37 36.80 4.20 136.81 3470.80 16761.65 11:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:01 11469944 14347548 1619276 9.89 108800 2951840 2144552 12.31 516740 4066400 162880 12:10:03 10223924 13852572 2104712 12.85 170220 3562308 2249456 12.91 755988 4964004 16024 Average: 10846934 14100060 1861994 11.37 139510 3257074 2197004 12.61 636364 4515202 89452 11:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:01 lo 0.38 0.38 0.05 0.05 0.00 0.00 0.00 0.00 12:00:01 ens3 81.61 62.60 735.56 13.08 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:03 lo 4738.16 4738.16 4517.64 4517.64 0.00 0.00 0.00 0.00 12:10:03 ens3 104.10 77.51 237.58 21.99 0.00 0.00 0.00 0.00 12:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2373.07 2373.07 2262.47 2262.47 0.00 0.00 0.00 0.00 Average: ens3 92.87 70.07 486.17 17.54 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-451661) 03/12/26 _x86_64_ (4 CPU) 11:40:37 LINUX RESTART (4 CPU) 11:50:01 CPU %user %nice %system %iowait %steal %idle 12:00:01 all 7.91 0.00 0.55 0.29 0.03 91.22 12:00:01 0 6.58 0.00 0.51 0.46 0.02 92.42 12:00:01 1 8.39 0.00 0.57 0.08 0.03 90.94 12:00:01 2 9.11 0.00 0.56 0.38 0.03 89.92 12:00:01 3 7.57 0.00 0.57 0.22 0.03 91.61 12:10:03 all 66.64 0.00 4.01 0.17 0.13 29.06 12:10:03 0 65.85 0.00 3.98 0.27 0.13 29.78 12:10:03 1 67.31 0.00 4.06 0.11 0.13 28.40 12:10:03 2 67.12 0.00 3.86 0.13 0.13 28.76 12:10:03 3 66.27 0.00 4.12 0.16 0.13 29.32 Average: all 37.26 0.00 2.28 0.23 0.08 60.16 Average: 0 36.20 0.00 2.24 0.37 0.08 61.12 Average: 1 37.85 0.00 2.31 0.09 0.08 59.67 Average: 2 38.09 0.00 2.21 0.25 0.08 59.37 Average: 3 36.91 0.00 2.34 0.19 0.08 60.48