---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12808 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 641 10268 4 5079 15005 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:3d:69:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84570sec preferred_lft 84570sec inet6 fe80::f816:3eff:fe3d:6970/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:25:a7:ae:d7:5b 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-12808) 02/17/26 _x86_64_ (4 CPU) 09:55:03 LINUX RESTART (4 CPU) 10:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:26 26.31 1.83 10.92 13.57 659.78 4884.05 252454.31 10:20:26 4.69 0.33 4.17 0.18 11.17 562.95 27.88 Average: 15.65 1.09 7.59 6.97 339.92 2753.10 127970.39 10:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:26 8429308 11737020 4223852 25.80 119408 3348152 4389756 25.20 695728 6897632 260 10:20:26 9670760 13461516 2496892 15.25 133084 3788332 2685996 15.42 755576 5569152 317680 Average: 9050034 12599268 3360372 20.52 126246 3568242 3537876 20.31 725652 6233392 158970 10:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:26 lo 0.69 0.69 0.38 0.38 0.00 0.00 0.00 0.00 10:10:26 ens3 33.50 23.54 381.71 3.79 0.00 0.00 0.00 0.00 10:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:26 lo 65.50 65.50 62.11 62.11 0.00 0.00 0.00 0.00 10:20:26 ens3 29.82 22.44 378.40 3.26 0.00 0.00 0.00 0.00 10:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 32.65 32.65 30.82 30.82 0.00 0.00 0.00 0.00 Average: ens3 31.68 23.00 380.08 3.53 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-12808) 02/17/26 _x86_64_ (4 CPU) 09:55:03 LINUX RESTART (4 CPU) 10:00:09 CPU %user %nice %system %iowait %steal %idle 10:10:26 all 51.88 0.00 0.99 0.32 0.10 46.70 10:10:26 0 54.30 0.00 0.90 0.21 0.12 44.48 10:10:26 1 46.59 0.00 0.99 0.36 0.10 51.97 10:10:26 2 54.55 0.00 0.99 0.45 0.10 43.92 10:10:26 3 52.09 0.00 1.10 0.27 0.10 46.44 10:20:26 all 49.89 0.00 0.71 0.20 0.10 49.09 10:20:26 0 46.86 0.00 0.63 0.10 0.10 52.31 10:20:26 1 38.69 0.00 0.69 0.34 0.09 60.19 10:20:26 2 44.14 0.00 0.68 0.19 0.10 54.89 10:20:26 3 69.85 0.00 0.85 0.18 0.12 29.00 Average: all 50.90 0.00 0.85 0.26 0.10 47.88 Average: 0 50.63 0.00 0.77 0.16 0.11 48.34 Average: 1 42.70 0.00 0.84 0.35 0.09 56.02 Average: 2 49.42 0.00 0.83 0.32 0.10 49.33 Average: 3 60.85 0.00 0.97 0.23 0.11 37.84