---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9569 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 12G 66G 15% / 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 630 9438 4 5920 15016 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:a9:6c:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84418sec preferred_lft 84418sec inet6 fe80::f816:3eff:fea9:6cd3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:54:bc:5b:07:11 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-9569) 02/11/26 _x86_64_ (4 CPU) 22:20:28 LINUX RESTART (4 CPU) 22:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:01 30.87 1.34 29.02 0.51 97.09 892.99 1449.89 22:50:04 43.48 3.39 37.46 2.62 176.00 9572.70 15798.37 Average: 37.19 2.37 33.25 1.57 136.62 5241.21 8637.97 22:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 13027816 15363816 624904 3.82 87908 2450240 1253228 7.19 343640 2722120 227452 22:50:04 8204816 13266616 2687068 16.41 140580 5003356 2813636 16.15 1240924 6500520 216300 Average: 10616316 14315216 1655986 10.11 114244 3726798 2033432 11.67 792282 4611320 221876 22:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:01 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 22:40:01 ens3 30.74 20.75 155.84 5.11 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:04 lo 1063.29 1063.29 1011.88 1011.88 0.00 0.00 0.00 0.00 22:50:04 ens3 114.48 86.25 1003.16 18.27 0.00 0.00 0.00 0.00 22:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 532.76 532.76 506.92 506.92 0.00 0.00 0.00 0.00 Average: ens3 72.69 53.56 580.32 11.70 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-9569) 02/11/26 _x86_64_ (4 CPU) 22:20:28 LINUX RESTART (4 CPU) 22:30:01 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 1.98 0.00 0.23 0.28 0.02 97.49 22:40:01 0 2.10 0.00 0.24 0.02 0.02 97.62 22:40:01 1 3.07 0.00 0.38 0.45 0.02 96.09 22:40:01 2 1.03 0.00 0.12 0.05 0.02 98.78 22:40:01 3 1.72 0.00 0.19 0.59 0.02 97.48 22:50:04 all 52.80 0.00 2.14 0.21 0.08 44.77 22:50:04 0 49.60 0.00 1.90 0.14 0.08 48.28 22:50:04 1 53.96 0.00 2.52 0.33 0.09 43.11 22:50:04 2 52.41 0.00 2.00 0.13 0.08 45.38 22:50:04 3 55.22 0.00 2.15 0.23 0.09 42.31 Average: all 27.39 0.00 1.19 0.24 0.05 71.13 Average: 0 25.86 0.00 1.07 0.08 0.05 72.94 Average: 1 28.51 0.00 1.45 0.39 0.05 69.60 Average: 2 26.71 0.00 1.06 0.09 0.05 72.09 Average: 3 28.47 0.00 1.17 0.41 0.05 69.89