---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4617 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 67G 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 607 10501 4 4879 15039 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:da:f2:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84633sec preferred_lft 84633sec inet6 fe80::f816:3eff:feda:f273/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:e5:fe:a4:62:ca 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-4617) 04/19/26 _x86_64_ (4 CPU) 09:56:26 LINUX RESTART (4 CPU) 10:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 11.60 2.41 8.83 0.36 344.38 2532.04 221.21 10:20:22 3.27 0.19 2.97 0.11 6.10 420.92 24.36 Average: 7.33 1.27 5.82 0.23 170.86 1449.16 120.24 10:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 9806800 12902888 3060580 18.69 113516 3147100 3337796 19.16 553712 5677116 344 10:20:22 10512984 13742252 2220340 13.56 117904 3265524 2445272 14.04 585500 4920452 11820 Average: 10159892 13322570 2640460 16.13 115710 3206312 2891534 16.60 569606 5298784 6082 10:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.37 0.37 0.04 0.04 0.00 0.00 0.00 0.00 10:10:01 ens3 70.17 56.12 765.84 7.58 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:22 lo 0.71 0.71 0.37 0.37 0.00 0.00 0.00 0.00 10:20:22 ens3 6.16 5.06 28.12 1.13 0.00 0.00 0.00 0.00 10:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 37.34 29.93 387.43 4.27 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-4617) 04/19/26 _x86_64_ (4 CPU) 09:56:26 LINUX RESTART (4 CPU) 10:00:11 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 53.30 0.00 1.01 1.68 0.09 43.92 10:10:01 0 54.84 0.00 0.86 1.50 0.09 42.71 10:10:01 1 49.89 0.00 1.03 1.60 0.08 47.38 10:10:01 2 59.26 0.00 1.12 1.55 0.10 37.97 10:10:01 3 49.21 0.00 1.00 2.06 0.09 47.64 10:20:22 all 47.60 0.00 0.52 0.19 0.07 51.61 10:20:22 0 45.05 0.00 0.54 0.38 0.07 53.96 10:20:22 1 55.32 0.00 0.48 0.09 0.08 44.04 10:20:22 2 54.64 0.00 0.61 0.16 0.08 44.52 10:20:22 3 35.41 0.00 0.46 0.15 0.06 63.92 Average: all 50.37 0.00 0.76 0.92 0.08 47.87 Average: 0 49.82 0.00 0.70 0.93 0.08 48.48 Average: 1 52.68 0.00 0.75 0.83 0.08 45.67 Average: 2 56.88 0.00 0.86 0.83 0.09 41.34 Average: 3 42.12 0.00 0.72 1.08 0.08 56.00