---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-463310 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 660 10316 4 5011 14985 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:1a:59:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84575sec preferred_lft 84575sec inet6 fe80::f816:3eff:fe1a:59b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:4a:ec:1b:65:05 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-463310) 03/13/26 _x86_64_ (4 CPU) 15:22:39 LINUX RESTART (4 CPU) 15:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:10 14.10 1.92 11.12 1.06 127.53 3257.99 209.59 15:50:10 42.09 0.61 23.22 18.26 21.71 4413.25 239083.89 Average: 28.09 1.26 17.17 9.66 74.62 3835.62 119646.74 15:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:10 10020928 13668760 2288436 13.98 149600 3605596 2499024 14.34 750892 5205080 54524 15:50:10 10598300 15369772 579844 3.54 179984 4620404 1105532 6.35 1052304 4218556 40 Average: 10309614 14519266 1434140 8.76 164792 4113000 1802278 10.35 901598 4711818 27282 15:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:10 lo 1.41 1.41 0.15 0.15 0.00 0.00 0.00 0.00 15:40:10 ens3 91.71 68.33 329.45 19.27 0.00 0.00 0.00 0.00 15:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:10 lo 1547.48 1547.48 1470.01 1470.01 0.00 0.00 0.00 0.00 15:50:10 ens3 90.12 75.92 408.44 96.85 0.00 0.00 0.00 0.00 15:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 774.44 774.44 735.08 735.08 0.00 0.00 0.00 0.00 Average: ens3 90.91 72.12 368.94 58.06 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-463310) 03/13/26 _x86_64_ (4 CPU) 15:22:39 LINUX RESTART (4 CPU) 15:30:10 CPU %user %nice %system %iowait %steal %idle 15:40:10 all 73.78 0.00 2.27 0.04 0.12 23.79 15:40:10 0 73.09 0.00 2.12 0.04 0.12 24.62 15:40:10 1 75.20 0.00 2.45 0.04 0.12 22.18 15:40:10 2 76.04 0.00 2.39 0.04 0.13 21.41 15:40:10 3 70.79 0.00 2.12 0.03 0.12 26.94 15:50:10 all 57.95 0.00 2.47 0.06 0.11 39.41 15:50:10 0 54.27 0.00 2.25 0.10 0.11 43.28 15:50:10 1 60.03 0.00 2.59 0.05 0.11 37.21 15:50:10 2 56.53 0.00 2.45 0.04 0.11 40.87 15:50:10 3 60.96 0.00 2.58 0.06 0.12 36.28 Average: all 65.86 0.00 2.37 0.05 0.12 31.60 Average: 0 63.68 0.00 2.19 0.07 0.12 33.95 Average: 1 67.61 0.00 2.52 0.05 0.12 29.70 Average: 2 66.28 0.00 2.42 0.04 0.12 31.14 Average: 3 65.88 0.00 2.35 0.05 0.12 31.61