---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2745 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 612 10628 4 4747 15034 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:2f:14:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84797sec preferred_lft 84797sec inet6 fe80::f816:3eff:fe2f:1496/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:80:c1:14:ef:57 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-2745) 04/14/26 _x86_64_ (4 CPU) 09:54:30 LINUX RESTART (4 CPU) 10:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:19 4.09 0.07 3.85 0.17 6.91 569.99 323.70 10:20:19 23.23 0.80 20.47 1.96 30.35 5865.33 11952.99 Average: 13.53 0.43 12.05 1.05 18.47 3181.79 6059.57 10:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:19 9655000 12655516 3308044 20.20 113568 3050216 3573528 20.51 503700 5873356 24 10:20:19 10975412 15479728 477084 2.91 135208 4473852 995352 5.71 864452 4115256 28680 Average: 10315206 14067622 1892564 11.56 124388 3762034 2284440 13.11 684076 4994306 14352 10:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:19 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 10:10:19 ens3 11.08 8.50 35.68 2.42 0.00 0.00 0.00 0.00 10:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:19 lo 503.29 503.29 477.46 477.46 0.00 0.00 0.00 0.00 10:20:19 ens3 62.31 47.49 492.29 71.41 0.00 0.00 0.00 0.00 10:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 248.53 248.53 235.68 235.68 0.00 0.00 0.00 0.00 Average: ens3 36.35 27.73 260.89 36.45 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-2745) 04/14/26 _x86_64_ (4 CPU) 09:54:30 LINUX RESTART (4 CPU) 10:00:03 CPU %user %nice %system %iowait %steal %idle 10:10:19 all 47.59 0.00 0.70 0.04 0.08 51.59 10:10:19 0 39.84 0.00 0.73 0.03 0.08 59.32 10:10:19 1 63.54 0.00 0.87 0.07 0.09 35.43 10:10:19 2 40.63 0.00 0.62 0.04 0.08 58.63 10:10:19 3 46.40 0.00 0.57 0.01 0.07 52.95 10:20:19 all 49.54 0.00 1.46 0.27 0.09 48.65 10:20:19 0 40.25 0.00 1.64 0.54 0.09 57.48 10:20:19 1 41.48 0.00 1.27 0.21 0.08 56.96 10:20:19 2 63.09 0.00 1.51 0.07 0.09 35.24 10:20:19 3 53.33 0.00 1.41 0.26 0.09 44.91 Average: all 48.55 0.00 1.07 0.15 0.08 50.14 Average: 0 40.04 0.00 1.18 0.28 0.08 58.41 Average: 1 52.65 0.00 1.07 0.14 0.08 46.06 Average: 2 51.68 0.00 1.06 0.05 0.08 47.12 Average: 3 49.82 0.00 0.98 0.13 0.08 48.98