---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4738 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 647 10498 4 4843 14999 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:8e:73:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84752sec preferred_lft 84752sec inet6 fe80::f816:3eff:fe8e:7364/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:a5:55:5c:c2:f2 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-4738) 03/18/26 _x86_64_ (4 CPU) 10:34:19 LINUX RESTART (4 CPU) 10:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:00 4.01 0.07 3.76 0.18 7.18 638.34 127.71 11:00:12 20.94 0.50 18.74 1.70 18.61 3343.16 16285.79 Average: 12.61 0.29 11.37 0.95 12.99 2012.62 8337.39 10:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:00 9371820 12437308 3524888 21.53 115308 3110468 3680164 21.12 508752 6140380 212 11:00:12 10078436 13573540 2384800 14.57 135528 3492400 2500980 14.36 684092 5218516 13676 Average: 9725128 13005424 2954844 18.05 125418 3301434 3090572 17.74 596422 5679448 6944 10:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:00 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 10:50:00 ens3 9.04 7.76 36.61 2.27 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:12 lo 593.48 593.48 565.85 565.85 0.00 0.00 0.00 0.00 11:00:12 ens3 34.27 24.55 400.13 3.55 0.00 0.00 0.00 0.00 11:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 301.85 301.85 287.69 287.69 0.00 0.00 0.00 0.00 Average: ens3 21.86 16.29 221.31 2.92 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-4738) 03/18/26 _x86_64_ (4 CPU) 10:34:19 LINUX RESTART (4 CPU) 10:40:08 CPU %user %nice %system %iowait %steal %idle 10:50:00 all 48.61 0.00 0.72 0.02 0.09 50.56 10:50:00 0 63.00 0.00 0.66 0.01 0.10 36.23 10:50:00 1 44.31 0.00 0.79 0.01 0.08 54.81 10:50:00 2 46.39 0.00 0.76 0.06 0.09 52.71 10:50:00 3 40.75 0.00 0.66 0.02 0.09 58.49 11:00:12 all 52.83 0.00 1.35 2.70 0.10 43.02 11:00:12 0 55.68 0.00 1.32 2.24 0.10 40.66 11:00:12 1 47.54 0.00 1.37 3.71 0.10 47.29 11:00:12 2 65.69 0.00 1.32 3.47 0.12 29.40 11:00:12 3 42.44 0.00 1.38 1.41 0.10 54.67 Average: all 50.75 0.00 1.04 1.38 0.10 46.74 Average: 0 59.29 0.00 0.99 1.14 0.10 38.48 Average: 1 45.94 0.00 1.09 1.88 0.09 50.99 Average: 2 56.17 0.00 1.04 1.79 0.10 40.90 Average: 3 41.61 0.00 1.02 0.72 0.09 56.55