---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53714 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 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 677 10527 4 4784 14969 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:e4:64:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84470sec preferred_lft 84470sec inet6 fe80::f816:3eff:fee4:64ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:1e:d7:ac:34:7d 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-53714) 03/28/26 _x86_64_ (4 CPU) 04:40:28 LINUX RESTART (4 CPU) 04:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:00:17 11.98 0.42 10.47 1.09 15.75 2566.87 3244.78 05:10:12 30.27 0.76 25.22 4.29 26.07 3817.50 7308.16 Average: 20.99 0.59 17.74 2.67 20.83 3182.58 5245.26 04:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:00:17 9911588 13498336 2458888 15.02 151100 3528276 2784876 15.99 654160 5393988 20788 05:10:12 10837644 15376656 573732 3.50 176516 4394116 1103160 6.33 908952 4119144 8 Average: 10374616 14437496 1516310 9.26 163808 3961196 1944018 11.16 781556 4756566 10398 04:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:00:17 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 05:00:17 ens3 49.83 39.58 97.98 17.27 0.00 0.00 0.00 0.00 05:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:12 lo 1644.38 1644.38 1560.47 1560.47 0.00 0.00 0.00 0.00 05:10:12 ens3 91.29 77.94 407.66 119.89 0.00 0.00 0.00 0.00 05:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 810.27 810.27 768.32 768.32 0.00 0.00 0.00 0.00 Average: ens3 70.24 58.47 250.44 67.79 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-53714) 03/28/26 _x86_64_ (4 CPU) 04:40:28 LINUX RESTART (4 CPU) 04:50:03 CPU %user %nice %system %iowait %steal %idle 05:00:17 all 73.02 0.00 2.21 0.02 0.08 24.67 05:00:17 0 72.98 0.00 2.36 0.02 0.08 24.55 05:00:17 1 72.19 0.00 2.16 0.02 0.08 25.54 05:00:17 2 74.42 0.00 2.07 0.02 0.08 23.41 05:00:17 3 72.47 0.00 2.26 0.02 0.08 25.16 05:10:12 all 47.22 0.00 2.18 0.07 0.07 50.46 05:10:12 0 47.37 0.00 1.91 0.05 0.07 50.60 05:10:12 1 49.79 0.00 2.43 0.04 0.07 47.67 05:10:12 2 46.24 0.00 2.01 0.04 0.07 51.64 05:10:12 3 45.50 0.00 2.36 0.15 0.07 51.92 Average: all 60.32 0.00 2.20 0.05 0.08 37.36 Average: 0 60.37 0.00 2.14 0.03 0.08 37.38 Average: 1 61.17 0.00 2.29 0.03 0.08 36.43 Average: 2 60.54 0.00 2.04 0.03 0.08 37.31 Average: 3 59.20 0.00 2.31 0.09 0.08 38.33