---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7431 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 68G 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 667 10332 4 4990 14979 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:89:49:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84618sec preferred_lft 84618sec inet6 fe80::f816:3eff:fe89:494f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:58:4e:5b:2a:8a 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7431) 02/03/26 _x86_64_ (4 CPU) 14:29:09 LINUX RESTART (4 CPU) 14:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:01 23.39 3.38 18.67 1.34 781.73 3920.98 2305.47 14:50:11 12.14 0.64 10.42 1.08 21.97 2647.72 2786.24 Average: 17.66 1.99 14.47 1.21 395.27 3273.32 2550.02 14:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:01 10229400 13433292 2528536 15.44 116752 3244356 2971980 17.06 691480 5107684 63480 14:50:11 8890792 13236572 2716108 16.59 159292 4245964 2995684 17.20 918544 6099700 392900 Average: 9560096 13334932 2622322 16.02 138022 3745160 2983832 17.13 805012 5603692 228190 14:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:01 lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 14:40:01 ens3 77.66 59.67 852.85 11.66 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:11 lo 49.90 49.90 46.43 46.43 0.00 0.00 0.00 0.00 14:50:11 ens3 90.56 65.36 359.36 18.60 0.00 0.00 0.00 0.00 14:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 25.74 25.74 23.66 23.66 0.00 0.00 0.00 0.00 Average: ens3 84.22 62.56 601.83 15.19 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7431) 02/03/26 _x86_64_ (4 CPU) 14:29:09 LINUX RESTART (4 CPU) 14:30:12 CPU %user %nice %system %iowait %steal %idle 14:40:01 all 28.88 0.00 1.12 0.25 0.05 69.70 14:40:01 0 29.49 0.00 1.03 0.15 0.04 69.28 14:40:01 1 28.68 0.00 1.18 0.25 0.06 69.83 14:40:01 2 28.44 0.00 1.20 0.52 0.05 69.79 14:40:01 3 28.89 0.00 1.09 0.08 0.05 69.89 14:50:11 all 71.36 0.00 2.25 0.04 0.09 26.26 14:50:11 0 68.41 0.00 2.08 0.03 0.09 29.39 14:50:11 1 71.79 0.00 2.26 0.02 0.09 25.85 14:50:11 2 73.24 0.00 2.17 0.05 0.09 24.45 14:50:11 3 72.03 0.00 2.47 0.07 0.09 25.34 Average: all 50.47 0.00 1.69 0.15 0.07 47.62 Average: 0 49.26 0.00 1.56 0.09 0.07 49.02 Average: 1 50.59 0.00 1.73 0.13 0.07 47.47 Average: 2 51.21 0.00 1.69 0.28 0.07 46.74 Average: 3 50.82 0.00 1.79 0.08 0.07 47.24