---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-496682 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 605 10582 4 4800 15040 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:4a:70:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84779sec preferred_lft 84779sec inet6 fe80::f816:3eff:fe4a:70f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:3b:9d:f9:e3:37 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-496682) 03/17/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:11 4.01 0.14 3.69 0.18 10.18 637.12 311.37 00:50:08 19.50 0.52 17.54 1.45 19.36 2463.60 3675.69 Average: 11.67 0.33 10.54 0.80 14.72 1539.96 1974.39 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:11 8413604 11392360 4570912 27.92 113204 3030772 4756812 27.30 498404 7105416 504 00:50:08 9213456 12926972 3031784 18.52 137980 3701128 3310300 19.00 725120 6052048 266212 Average: 8813530 12159666 3801348 23.22 125592 3365950 4033556 23.15 611762 6578732 133358 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:11 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 00:40:11 ens3 15.17 12.00 76.85 3.03 0.00 0.00 0.00 0.00 00:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:08 lo 503.13 503.13 479.58 479.58 0.00 0.00 0.00 0.00 00:50:08 ens3 41.67 30.50 412.69 5.01 0.00 0.00 0.00 0.00 00:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 249.00 249.00 237.25 237.25 0.00 0.00 0.00 0.00 Average: ens3 28.27 21.15 242.86 4.01 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-496682) 03/17/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:11 all 45.97 0.00 0.65 0.02 0.07 53.28 00:40:11 0 60.91 0.00 0.71 0.02 0.08 38.28 00:40:11 1 37.02 0.00 0.61 0.04 0.07 62.26 00:40:11 2 47.58 0.00 0.76 0.02 0.07 51.56 00:40:11 3 38.40 0.00 0.53 0.01 0.07 61.00 00:50:08 all 54.80 0.00 1.31 0.06 0.08 43.75 00:50:08 0 47.62 0.00 1.25 0.04 0.08 51.01 00:50:08 1 81.40 0.00 1.51 0.04 0.10 16.95 00:50:08 2 45.12 0.00 1.32 0.06 0.08 53.42 00:50:08 3 45.10 0.00 1.15 0.09 0.08 53.58 Average: all 50.33 0.00 0.98 0.04 0.08 48.57 Average: 0 54.34 0.00 0.98 0.03 0.08 44.57 Average: 1 58.91 0.00 1.05 0.04 0.08 39.91 Average: 2 46.37 0.00 1.04 0.04 0.07 52.48 Average: 3 41.71 0.00 0.83 0.05 0.08 57.33