---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2968 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 653 10532 4 4803 14992 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:82:52:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84775sec preferred_lft 84775sec inet6 fe80::f816:3eff:fe82:52ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:c1:ad:da:3d:55 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-2968) 04/15/26 _x86_64_ (4 CPU) 10:48:43 LINUX RESTART (4 CPU) 10:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:12 15.63 3.02 12.14 0.48 164.43 3450.77 548.23 11:10:01 2.24 0.02 2.15 0.07 0.94 291.11 12.66 Average: 9.00 1.53 7.19 0.28 83.41 1884.94 282.82 10:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:12 9716116 12686084 3277456 20.02 112092 3023920 3501612 20.10 487824 5825180 232 11:10:01 10688480 13755020 2207932 13.49 115428 3109424 2431040 13.95 511180 4827704 17244 Average: 10202298 13220552 2742694 16.75 113760 3066672 2966326 17.03 499502 5326442 8738 10:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:12 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 11:00:12 ens3 68.34 52.02 777.51 8.61 0.00 0.00 0.00 0.00 11:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 0.50 0.50 0.37 0.37 0.00 0.00 0.00 0.00 11:10:01 ens3 3.76 2.87 1.99 0.76 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.48 0.48 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 36.34 27.66 393.19 4.72 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-2968) 04/15/26 _x86_64_ (4 CPU) 10:48:43 LINUX RESTART (4 CPU) 10:50:12 CPU %user %nice %system %iowait %steal %idle 11:00:12 all 50.81 0.00 1.11 0.09 0.10 47.88 11:00:12 0 46.00 0.00 1.00 0.19 0.11 52.70 11:00:12 1 56.01 0.00 1.33 0.07 0.10 42.48 11:00:12 2 51.81 0.00 1.04 0.08 0.11 46.97 11:00:12 3 49.42 0.00 1.07 0.04 0.10 49.37 11:10:01 all 44.82 0.00 0.46 0.02 0.09 54.61 11:10:01 0 43.27 0.00 0.43 0.03 0.09 56.18 11:10:01 1 64.69 0.00 0.56 0.00 0.10 34.64 11:10:01 2 27.38 0.00 0.43 0.05 0.09 72.06 11:10:01 3 43.94 0.00 0.41 0.01 0.09 55.56 Average: all 47.84 0.00 0.79 0.06 0.10 51.22 Average: 0 44.65 0.00 0.72 0.11 0.10 54.43 Average: 1 60.32 0.00 0.95 0.04 0.10 38.59 Average: 2 39.70 0.00 0.74 0.06 0.10 59.41 Average: 3 46.70 0.00 0.74 0.02 0.09 52.44