---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65952 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 626 10340 4 5022 15020 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:c2:72:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84825sec preferred_lft 84825sec inet6 fe80::f816:3eff:fec2:72fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:53:44:81:9f:3e 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-65952) 04/02/26 _x86_64_ (4 CPU) 06:47:57 LINUX RESTART (4 CPU) 06:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 13.71 1.94 11.17 0.61 333.22 3301.68 11864.10 07:10:17 6.78 0.51 5.95 0.32 18.54 775.90 215.05 Average: 10.17 1.21 8.50 0.46 172.34 2010.37 5908.51 06:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 9256636 12458624 3502788 21.39 115896 3247868 3745988 21.50 580472 6192960 352 07:10:17 10038824 13661484 2296748 14.03 133784 3621188 2486888 14.27 643696 5306860 229500 Average: 9647730 13060054 2899768 17.71 124840 3434528 3116438 17.89 612084 5749910 114926 06:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 0.68 0.68 0.40 0.40 0.00 0.00 0.00 0.00 07:00:01 ens3 40.21 28.63 373.22 4.54 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:17 lo 74.32 74.32 70.29 70.29 0.00 0.00 0.00 0.00 07:10:17 ens3 30.30 22.48 397.46 3.19 0.00 0.00 0.00 0.00 07:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 38.33 38.33 36.13 36.13 0.00 0.00 0.00 0.00 Average: ens3 35.14 25.48 385.62 3.85 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-65952) 04/02/26 _x86_64_ (4 CPU) 06:47:57 LINUX RESTART (4 CPU) 06:50:12 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 52.22 0.00 1.01 0.08 0.09 46.60 07:00:01 0 50.88 0.00 0.94 0.07 0.08 48.03 07:00:01 1 50.78 0.00 1.05 0.08 0.09 48.00 07:00:01 2 47.44 0.00 0.98 0.15 0.09 51.34 07:00:01 3 59.80 0.00 1.05 0.03 0.09 39.03 07:10:17 all 50.24 0.00 0.74 0.08 0.09 48.86 07:10:17 0 62.87 0.00 0.77 0.01 0.09 36.27 07:10:17 1 38.60 0.00 0.61 0.26 0.08 60.45 07:10:17 2 56.20 0.00 0.86 0.04 0.09 42.82 07:10:17 3 43.25 0.00 0.71 0.02 0.11 55.91 Average: all 51.21 0.00 0.87 0.08 0.09 47.75 Average: 0 57.02 0.00 0.85 0.04 0.09 42.01 Average: 1 44.55 0.00 0.83 0.17 0.08 54.37 Average: 2 51.91 0.00 0.92 0.09 0.09 46.99 Average: 3 51.34 0.00 0.88 0.03 0.10 47.66