---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64898 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 614 10539 4 4835 15032 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:5b:ba:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84769sec preferred_lft 84769sec inet6 fe80::f816:3eff:fe5b:bae1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:d7:ea:9c:e7:d2 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-64898) 03/31/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:09 9.05 1.70 7.14 0.21 120.92 2150.41 227.49 20:30:00 6.13 0.49 5.37 0.26 17.86 733.89 464.12 Average: 7.60 1.10 6.26 0.24 69.78 1447.42 344.93 20:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:09 9059084 12019924 3943660 24.09 112916 3014188 4274160 24.53 492732 6476860 2020 20:30:00 9237424 12887256 3072484 18.77 130008 3648364 3215776 18.46 591520 6156688 491196 Average: 9148254 12453590 3508072 21.43 121462 3331276 3744968 21.50 542126 6316774 246608 20:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:09 lo 0.67 0.67 0.39 0.39 0.00 0.00 0.00 0.00 20:20:09 ens3 27.51 22.86 280.69 3.98 0.00 0.00 0.00 0.00 20:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:00 lo 114.72 114.72 109.08 109.08 0.00 0.00 0.00 0.00 20:30:00 ens3 38.75 27.70 438.45 3.44 0.00 0.00 0.00 0.00 20:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 57.27 57.27 54.33 54.33 0.00 0.00 0.00 0.00 Average: ens3 33.08 25.26 358.98 3.71 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-64898) 03/31/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:09 CPU %user %nice %system %iowait %steal %idle 20:20:09 all 51.21 0.00 0.90 0.22 0.09 47.58 20:20:09 0 51.71 0.00 0.96 0.19 0.09 47.04 20:20:09 1 48.13 0.00 0.88 0.20 0.09 50.70 20:20:09 2 54.17 0.00 0.83 0.34 0.09 44.56 20:20:09 3 50.84 0.00 0.91 0.14 0.10 48.02 20:30:00 all 50.89 0.00 0.79 0.18 0.09 48.05 20:30:00 0 41.68 0.00 0.92 0.37 0.08 56.95 20:30:00 1 43.43 0.00 0.75 0.08 0.08 55.66 20:30:00 2 61.97 0.00 0.88 0.15 0.10 36.89 20:30:00 3 56.53 0.00 0.62 0.12 0.10 42.64 Average: all 51.05 0.00 0.84 0.20 0.09 47.81 Average: 0 46.72 0.00 0.94 0.28 0.09 51.97 Average: 1 45.80 0.00 0.81 0.14 0.08 53.16 Average: 2 58.04 0.00 0.86 0.25 0.10 40.76 Average: 3 53.66 0.00 0.77 0.13 0.10 45.35