---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2076 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 12G 66G 15% / 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 680 9086 4 6222 14966 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:67:7f:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84600sec preferred_lft 84600sec inet6 fe80::f816:3eff:fe67:7fa8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:8e:2a:01:ac: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-2076) 04/11/26 _x86_64_ (4 CPU) 21:55:08 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:00 26.34 0.62 22.52 3.20 611.81 3113.70 20263.04 22:20:02 28.38 0.03 25.59 2.76 0.50 4153.70 13526.21 Average: 27.36 0.33 24.06 2.98 305.54 3634.76 16887.76 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:00 8900952 12835416 3121148 19.06 140620 3910320 3026128 17.37 898404 6181524 14612 22:20:02 6778156 11690056 4262468 26.03 159760 4824976 4170360 23.94 1167004 7985732 192 Average: 7839554 12262736 3691808 22.55 150190 4367648 3598244 20.65 1032704 7083628 7402 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:00 lo 1241.70 1241.70 1176.75 1176.75 0.00 0.00 0.00 0.00 22:10:00 ens3 48.53 35.41 213.76 12.37 0.00 0.00 0.00 0.00 22:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:02 lo 1230.13 1230.13 1165.80 1165.80 0.00 0.00 0.00 0.00 22:20:02 ens3 49.38 35.52 41.18 13.97 0.00 0.00 0.00 0.00 22:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1235.90 1235.90 1171.27 1171.27 0.00 0.00 0.00 0.00 Average: ens3 48.96 35.46 127.29 13.17 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-2076) 04/11/26 _x86_64_ (4 CPU) 21:55:08 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:00 all 66.79 0.00 2.23 0.07 0.08 30.83 22:10:00 0 66.84 0.00 2.00 0.04 0.08 31.04 22:10:00 1 68.41 0.00 2.31 0.14 0.08 29.07 22:10:00 2 65.92 0.00 1.93 0.04 0.08 32.03 22:10:00 3 65.99 0.00 2.67 0.08 0.08 31.18 22:20:02 all 54.76 0.00 2.20 0.13 0.08 42.83 22:20:02 0 55.02 0.00 2.51 0.10 0.08 42.29 22:20:02 1 55.77 0.00 2.03 0.07 0.09 42.05 22:20:02 2 54.95 0.00 2.19 0.16 0.08 42.61 22:20:02 3 53.29 0.00 2.07 0.18 0.08 44.38 Average: all 60.76 0.00 2.21 0.10 0.08 36.84 Average: 0 60.91 0.00 2.26 0.07 0.08 36.67 Average: 1 62.07 0.00 2.17 0.10 0.08 35.57 Average: 2 60.42 0.00 2.06 0.10 0.08 37.34 Average: 3 59.63 0.00 2.37 0.13 0.08 37.79