---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22399 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 609 10186 4 5193 15037 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:fe:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84507sec preferred_lft 84507sec inet6 fe80::f816:3eff:feda:fea5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:36:fb:e9:94:ef 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-22399) 03/24/26 _x86_64_ (4 CPU) 21:55:33 LINUX RESTART (4 CPU) 22:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:16 38.94 14.19 10.81 13.94 637.77 2658.17 245580.56 22:20:16 3.53 0.04 3.43 0.06 3.04 373.66 335.49 Average: 21.22 7.11 7.12 6.99 320.20 1515.19 122880.35 22:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:16 10093964 13460292 2500956 15.27 120504 3393320 2780556 15.96 693052 5220848 26924 22:20:16 9799160 13245620 2714804 16.58 123600 3463488 2862448 16.43 715264 5488244 5516 Average: 9946562 13352956 2607880 15.93 122052 3428404 2821502 16.20 704158 5354546 16220 22:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:16 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 22:10:16 ens3 74.05 53.63 780.66 6.64 0.00 0.00 0.00 0.00 22:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:16 lo 0.49 0.49 0.36 0.36 0.00 0.00 0.00 0.00 22:20:16 ens3 3.07 2.38 1.88 0.69 0.00 0.00 0.00 0.00 22:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 38.54 27.99 391.03 3.66 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-22399) 03/24/26 _x86_64_ (4 CPU) 21:55:33 LINUX RESTART (4 CPU) 22:00:16 CPU %user %nice %system %iowait %steal %idle 22:10:16 all 49.26 0.07 1.16 1.39 0.10 48.01 22:10:16 0 42.32 0.03 1.24 1.89 0.09 54.43 22:10:16 1 44.35 0.00 1.23 1.35 0.11 52.96 22:10:16 2 52.36 0.04 0.92 1.34 0.11 45.22 22:10:16 3 58.02 0.23 1.25 0.96 0.11 39.43 22:20:16 all 44.83 0.00 0.45 0.37 0.08 54.27 22:20:16 0 31.64 0.00 0.35 0.14 0.08 67.78 22:20:16 1 88.37 0.00 0.56 0.18 0.11 10.78 22:20:16 2 32.57 0.00 0.39 0.26 0.07 66.71 22:20:16 3 27.06 0.00 0.52 0.90 0.07 71.46 Average: all 47.04 0.04 0.81 0.88 0.09 51.14 Average: 0 36.98 0.01 0.79 1.01 0.09 61.11 Average: 1 66.31 0.00 0.90 0.77 0.11 31.92 Average: 2 42.46 0.02 0.65 0.80 0.09 55.97 Average: 3 42.52 0.11 0.88 0.93 0.09 55.46