---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7164 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 9.8G 68G 13% / 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 628 11115 4 4246 15018 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:5f:96:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85140sec preferred_lft 85140sec inet6 fe80::f816:3eff:fe5f:9614/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:bc:67:b3:51:a2 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-7164) 02/02/26 _x86_64_ (4 CPU) 16:29:30 LINUX RESTART (4 CPU) 16:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:01 58.50 4.47 39.33 14.71 655.67 4631.19 247835.38 16:50:00 14.99 0.59 12.56 1.84 24.33 2826.44 3041.23 Average: 36.80 2.53 25.98 8.29 340.72 3730.87 125716.71 16:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:01 10110924 13281588 2679624 16.37 119432 3205660 2984984 17.13 637104 5277876 24792 16:50:00 11459868 15450004 504676 3.08 157108 3905856 1002328 5.75 826756 3628604 44760 Average: 10785396 14365796 1592150 9.72 138270 3555758 1993656 11.44 731930 4453240 34776 16:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:01 lo 0.86 0.86 0.11 0.11 0.00 0.00 0.00 0.00 16:40:01 ens3 122.89 86.41 1001.67 17.78 0.00 0.00 0.00 0.00 16:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:00 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 16:50:00 ens3 71.83 54.26 144.21 17.23 0.00 0.00 0.00 0.00 16:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 97.42 70.38 573.92 17.51 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-7164) 02/02/26 _x86_64_ (4 CPU) 16:29:30 LINUX RESTART (4 CPU) 16:30:00 CPU %user %nice %system %iowait %steal %idle 16:40:01 all 36.95 0.00 1.52 0.83 0.07 60.63 16:40:01 0 37.01 0.00 1.46 0.09 0.07 61.37 16:40:01 1 37.20 0.00 1.74 2.94 0.08 58.05 16:40:01 2 35.75 0.00 1.41 0.15 0.07 62.62 16:40:01 3 37.86 0.00 1.47 0.13 0.08 60.47 16:50:00 all 70.07 0.00 2.20 0.06 0.12 27.55 16:50:00 0 69.70 0.00 2.20 0.13 0.13 27.84 16:50:00 1 70.27 0.00 1.97 0.03 0.13 27.60 16:50:00 2 70.26 0.00 2.38 0.04 0.12 27.21 16:50:00 3 70.05 0.00 2.25 0.05 0.12 27.53 Average: all 53.48 0.00 1.86 0.44 0.10 44.12 Average: 0 53.31 0.00 1.83 0.11 0.10 44.65 Average: 1 53.70 0.00 1.86 1.49 0.10 42.86 Average: 2 52.96 0.00 1.89 0.09 0.10 44.96 Average: 3 53.93 0.00 1.86 0.09 0.10 44.02