---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2466 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 9.7G 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 618 11266 4 4104 15028 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:81:07:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84438sec preferred_lft 84438sec inet6 fe80::f816:3eff:fe81:7e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:ef:1d:46:e7:63 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-2466) 04/13/26 _x86_64_ (4 CPU) 06:10:26 LINUX RESTART (4 CPU) 06:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:12 52.44 4.36 34.48 13.61 261.85 3861.24 243148.51 06:40:12 26.65 0.49 23.52 2.64 16.51 3628.53 12892.07 Average: 39.54 2.42 29.00 8.13 139.15 3744.85 127990.56 06:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:12 10972144 13826632 2137212 13.05 115148 2906500 2641848 15.16 458816 4599308 3752 06:40:12 9441648 13267100 2688584 16.42 158792 3751496 2978428 17.10 733608 5773720 112800 Average: 10206896 13546866 2412898 14.74 136970 3328998 2810138 16.13 596212 5186514 58276 06:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:12 lo 0.49 0.49 0.05 0.05 0.00 0.00 0.00 0.00 06:30:12 ens3 79.15 59.40 734.62 12.52 0.00 0.00 0.00 0.00 06:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:12 lo 1359.91 1359.91 1296.56 1296.56 0.00 0.00 0.00 0.00 06:40:12 ens3 68.81 51.94 329.90 14.36 0.00 0.00 0.00 0.00 06:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 680.38 680.38 648.47 648.47 0.00 0.00 0.00 0.00 Average: ens3 73.98 55.67 532.21 13.44 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-2466) 04/13/26 _x86_64_ (4 CPU) 06:10:26 LINUX RESTART (4 CPU) 06:20:11 CPU %user %nice %system %iowait %steal %idle 06:30:12 all 14.89 0.00 0.69 0.30 0.04 84.07 06:30:12 0 16.20 0.00 0.61 0.12 0.04 83.03 06:30:12 1 12.71 0.00 0.55 0.06 0.04 86.65 06:30:12 2 14.79 0.00 0.82 0.92 0.05 83.42 06:30:12 3 15.88 0.00 0.78 0.11 0.04 83.20 06:40:12 all 64.52 0.00 2.37 0.07 0.10 32.95 06:40:12 0 61.91 0.00 2.34 0.07 0.10 35.58 06:40:12 1 67.21 0.00 2.75 0.05 0.10 29.88 06:40:12 2 66.89 0.00 2.32 0.04 0.10 30.65 06:40:12 3 62.06 0.00 2.06 0.11 0.10 35.68 Average: all 39.67 0.00 1.53 0.19 0.07 58.54 Average: 0 39.02 0.00 1.47 0.09 0.07 59.35 Average: 1 39.92 0.00 1.65 0.06 0.07 58.31 Average: 2 40.82 0.00 1.57 0.48 0.07 57.05 Average: 3 38.94 0.00 1.42 0.11 0.07 59.47