---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1588 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: 5599.94 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 68G 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 663 10480 4 4844 14982 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:f3:06:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84887sec preferred_lft 84887sec inet6 fe80::f816:3eff:fef3:6f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:a6:28:d9:89:70 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-1588) 04/10/26 _x86_64_ (4 CPU) 00:06:09 LINUX RESTART (4 CPU) 00:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 26.55 0.69 10.77 15.08 228.18 2531.97 242668.92 00:30:00 31.39 0.76 26.33 4.30 25.95 3844.57 3117.05 Average: 28.98 0.73 18.60 9.66 126.42 3192.50 122120.68 00:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 9675588 13321904 2635076 16.09 147104 3598576 2930920 16.82 706400 5585316 32664 00:30:00 10768368 15370440 579764 3.54 172524 4466764 1126012 6.46 961912 4137824 176 Average: 10221978 14346172 1607420 9.82 159814 4032670 2028466 11.64 834156 4861570 16420 00:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 1.48 1.48 0.15 0.15 0.00 0.00 0.00 0.00 00:20:01 ens3 72.06 56.98 162.23 18.93 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:00 lo 1755.45 1755.45 1663.30 1663.30 0.00 0.00 0.00 0.00 00:30:00 ens3 106.54 94.37 410.44 153.68 0.00 0.00 0.00 0.00 00:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 884.12 884.12 837.09 837.09 0.00 0.00 0.00 0.00 Average: ens3 89.41 75.80 287.13 86.74 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-1588) 04/10/26 _x86_64_ (4 CPU) 00:06:09 LINUX RESTART (4 CPU) 00:10:10 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 71.82 0.00 2.31 0.33 0.11 25.43 00:20:01 0 72.24 0.00 2.25 0.49 0.11 24.92 00:20:01 1 71.14 0.00 2.36 0.19 0.11 26.20 00:20:01 2 68.92 0.00 2.13 0.18 0.11 28.66 00:20:01 3 74.98 0.00 2.51 0.45 0.11 21.95 00:30:00 all 49.13 0.00 2.15 0.11 0.08 48.52 00:30:00 0 48.19 0.00 2.14 0.17 0.09 49.41 00:30:00 1 49.69 0.00 2.35 0.04 0.08 47.83 00:30:00 2 45.32 0.00 2.12 0.11 0.09 52.36 00:30:00 3 53.30 0.00 2.00 0.13 0.08 44.48 Average: all 60.40 0.00 2.23 0.22 0.10 37.05 Average: 0 60.13 0.00 2.20 0.32 0.10 37.25 Average: 1 60.35 0.00 2.36 0.11 0.10 37.08 Average: 2 57.05 0.00 2.12 0.15 0.10 40.58 Average: 3 64.07 0.00 2.25 0.29 0.09 33.29