---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2053 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 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 676 10468 4 4844 14970 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:ed:55:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84769sec preferred_lft 84769sec inet6 fe80::f816:3eff:feed:552b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:5a:54:9c:56:7c 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-2053) 04/11/26 _x86_64_ (4 CPU) 18:46:50 LINUX RESTART (4 CPU) 18:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:00:24 16.23 2.45 12.66 1.11 333.14 3356.34 611.34 19:10:03 31.26 0.82 25.84 4.60 28.04 4432.35 3906.70 Average: 23.46 1.66 19.01 2.79 186.30 3874.21 2197.33 18:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:00:24 10095112 13616360 2342184 14.31 142448 3489204 2884772 16.56 669492 5207196 41024 19:10:03 10780304 15380800 570648 3.49 174624 4463384 1102820 6.33 958596 4140812 332 Average: 10437708 14498580 1456416 8.90 158536 3976294 1993796 11.44 814044 4674004 20678 18:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:00:24 lo 1.30 1.30 0.14 0.14 0.00 0.00 0.00 0.00 19:00:24 ens3 108.34 86.93 688.87 21.90 0.00 0.00 0.00 0.00 19:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:03 lo 1722.80 1722.80 1638.58 1638.58 0.00 0.00 0.00 0.00 19:10:03 ens3 93.78 74.30 422.39 68.44 0.00 0.00 0.00 0.00 19:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 829.82 829.82 788.69 788.69 0.00 0.00 0.00 0.00 Average: ens3 101.33 80.85 560.62 44.30 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-2053) 04/11/26 _x86_64_ (4 CPU) 18:46:50 LINUX RESTART (4 CPU) 18:50:01 CPU %user %nice %system %iowait %steal %idle 19:00:24 all 66.67 0.00 2.19 0.06 0.09 30.99 19:00:24 0 66.87 0.00 1.84 0.04 0.09 31.16 19:00:24 1 67.96 0.00 2.49 0.06 0.09 29.40 19:00:24 2 66.40 0.00 2.51 0.08 0.10 30.92 19:00:24 3 65.44 0.00 1.91 0.08 0.09 32.48 19:10:03 all 61.14 0.00 2.62 0.08 0.09 36.08 19:10:03 0 58.27 0.00 2.31 0.06 0.09 39.28 19:10:03 1 59.69 0.00 2.39 0.09 0.09 37.75 19:10:03 2 62.91 0.00 2.74 0.05 0.09 34.22 19:10:03 3 63.69 0.00 3.03 0.11 0.09 33.08 Average: all 64.01 0.00 2.39 0.07 0.09 33.44 Average: 0 62.73 0.00 2.06 0.05 0.09 35.07 Average: 1 63.98 0.00 2.44 0.07 0.09 33.42 Average: 2 64.72 0.00 2.62 0.06 0.09 32.51 Average: 3 64.60 0.00 2.45 0.09 0.09 32.77