---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15491 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 9.1G 69G 12% / 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 624 11922 4 3442 15022 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:f1:8e:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84920sec preferred_lft 84920sec inet6 fe80::f816:3eff:fef1:8e6b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:1b:3b:8e:74:5e 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-15491) 03/23/26 _x86_64_ (4 CPU) 19:06:31 LINUX RESTART (4 CPU) 19:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 24.91 2.27 9.08 13.56 334.60 2726.70 241460.40 19:30:15 3.42 0.06 3.26 0.09 6.14 451.59 15.65 Average: 14.01 1.15 6.13 6.73 167.95 1572.42 118963.24 19:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 10638356 13689572 2273872 13.89 112208 3106500 2571848 14.76 546108 4855872 29996 19:30:15 10518784 13682172 2280644 13.93 116424 3205656 2425736 13.92 573184 4940312 13272 Average: 10578570 13685872 2277258 13.91 114316 3156078 2498792 14.34 559646 4898092 21634 19:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 19:20:01 ens3 73.37 56.23 640.80 6.58 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:15 lo 0.52 0.52 0.36 0.36 0.00 0.00 0.00 0.00 19:30:15 ens3 5.55 4.52 20.04 1.09 0.00 0.00 0.00 0.00 19:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.42 0.42 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 38.96 29.99 325.86 3.80 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-15491) 03/23/26 _x86_64_ (4 CPU) 19:06:31 LINUX RESTART (4 CPU) 19:10:04 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 41.32 0.00 0.89 0.24 0.12 57.44 19:20:01 0 34.62 0.00 0.69 0.33 0.20 64.16 19:20:01 1 49.88 0.00 1.00 0.19 0.10 48.83 19:20:01 2 38.92 0.00 0.99 0.07 0.10 59.93 19:20:01 3 41.89 0.00 0.87 0.37 0.09 56.78 19:30:15 all 44.28 0.00 0.50 0.02 0.08 55.11 19:30:15 0 34.88 0.00 0.58 0.03 0.09 64.42 19:30:15 1 47.80 0.00 0.38 0.01 0.08 51.73 19:30:15 2 60.54 0.00 0.59 0.01 0.09 38.77 19:30:15 3 33.88 0.00 0.46 0.01 0.07 65.57 Average: all 42.82 0.00 0.69 0.13 0.10 56.26 Average: 0 34.75 0.00 0.64 0.17 0.14 64.29 Average: 1 48.82 0.00 0.69 0.10 0.09 50.30 Average: 2 49.89 0.00 0.78 0.04 0.09 49.19 Average: 3 37.83 0.00 0.66 0.19 0.08 61.24