---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13792 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 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 652 10267 4 5069 14994 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:bb:88:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84771sec preferred_lft 84771sec inet6 fe80::f816:3eff:febb:880b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:b8:ce:f3:15:db 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-13792) 02/18/26 _x86_64_ (4 CPU) 12:29:18 LINUX RESTART (4 CPU) 12:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:02 45.89 4.78 40.02 1.10 861.09 4720.15 13702.86 12:50:08 15.93 0.07 2.60 13.26 6.53 350.83 236218.92 Average: 30.78 2.40 21.15 7.23 430.16 2516.85 125910.46 12:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:02 10441136 13662968 2299760 14.05 115164 3270180 2680308 15.38 684568 4913068 7976 12:50:08 10437736 13764520 2197252 13.42 119184 3363184 2438012 13.99 715796 4868332 9560 Average: 10439436 13713744 2248506 13.73 117174 3316682 2559160 14.69 700182 4890700 8768 12:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:02 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 12:40:02 ens3 102.29 76.77 1053.78 14.16 0.00 0.00 0.00 0.00 12:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:08 lo 0.51 0.51 0.36 0.36 0.00 0.00 0.00 0.00 12:50:08 ens3 5.22 4.22 20.07 0.93 0.00 0.00 0.00 0.00 12:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.51 0.51 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 53.34 40.19 532.51 7.49 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-13792) 02/18/26 _x86_64_ (4 CPU) 12:29:18 LINUX RESTART (4 CPU) 12:30:05 CPU %user %nice %system %iowait %steal %idle 12:40:02 all 47.31 0.00 1.26 0.29 0.09 51.06 12:40:02 0 38.42 0.00 1.16 0.69 0.09 59.64 12:40:02 1 51.35 0.00 1.43 0.19 0.09 46.94 12:40:02 2 43.42 0.00 1.29 0.20 0.09 55.00 12:40:02 3 56.04 0.00 1.14 0.07 0.08 42.67 12:50:08 all 45.82 0.00 0.46 0.03 0.08 53.61 12:50:08 0 45.02 0.00 0.59 0.10 0.08 54.21 12:50:08 1 53.93 0.00 0.43 0.01 0.08 45.55 12:50:08 2 55.79 0.00 0.43 0.01 0.08 43.69 12:50:08 3 28.54 0.00 0.38 0.00 0.07 71.01 Average: all 46.56 0.00 0.85 0.16 0.08 52.35 Average: 0 41.75 0.00 0.87 0.39 0.08 56.90 Average: 1 52.65 0.00 0.93 0.10 0.09 46.24 Average: 2 49.66 0.00 0.86 0.10 0.08 49.29 Average: 3 42.16 0.00 0.75 0.03 0.08 56.97