---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3610 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 719 10497 4 4772 14927 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:ba:51:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84672sec preferred_lft 84672sec inet6 fe80::f816:3eff:feba:51f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:63:76:94:5d:d5 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-3610) 04/16/26 _x86_64_ (4 CPU) 10:32:39 LINUX RESTART (4 CPU) 10:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:07 22.91 12.29 9.55 1.07 146.89 2305.67 405.06 11:00:07 45.30 0.76 26.60 17.95 26.01 3812.65 240850.84 Average: 34.10 6.53 18.07 9.50 86.49 3058.68 120551.86 10:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:07 10000040 13571548 2385324 14.57 148796 3509564 2588516 14.86 674652 5279224 21684 11:00:07 10849684 15377088 573144 3.50 174520 4378184 1117748 6.42 934796 4087716 56 Average: 10424862 14474318 1479234 9.03 161658 3943874 1853132 10.64 804724 4683470 10870 10:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:07 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 10:50:07 ens3 67.19 51.95 99.85 17.66 0.00 0.00 0.00 0.00 10:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:07 lo 1682.16 1682.16 1593.49 1593.49 0.00 0.00 0.00 0.00 11:00:07 ens3 110.26 97.32 410.01 153.61 0.00 0.00 0.00 0.00 11:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 841.26 841.26 796.32 796.32 0.00 0.00 0.00 0.00 Average: ens3 88.71 74.62 254.83 85.59 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-3610) 04/16/26 _x86_64_ (4 CPU) 10:32:39 LINUX RESTART (4 CPU) 10:40:07 CPU %user %nice %system %iowait %steal %idle 10:50:07 all 72.40 0.07 2.27 0.05 0.11 25.08 10:50:07 0 72.79 0.03 2.30 0.03 0.11 24.74 10:50:07 1 72.43 0.15 2.29 0.07 0.11 24.95 10:50:07 2 71.72 0.06 2.13 0.06 0.12 25.92 10:50:07 3 72.68 0.06 2.37 0.06 0.11 24.73 11:00:07 all 48.50 0.00 2.21 0.09 0.10 49.10 11:00:07 0 47.05 0.00 2.26 0.12 0.11 50.47 11:00:07 1 46.19 0.00 1.79 0.05 0.10 51.87 11:00:07 2 50.49 0.00 2.51 0.13 0.10 46.78 11:00:07 3 50.29 0.00 2.28 0.05 0.10 47.29 Average: all 60.46 0.04 2.24 0.07 0.11 37.09 Average: 0 59.93 0.02 2.28 0.07 0.11 37.60 Average: 1 59.32 0.08 2.04 0.06 0.10 38.40 Average: 2 61.11 0.03 2.32 0.09 0.11 36.34 Average: 3 61.48 0.03 2.32 0.05 0.10 36.01