---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40762 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 624 10229 4 5135 15022 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:ef:43:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84471sec preferred_lft 84471sec inet6 fe80::f816:3eff:feef:43db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:e1:9b:dc:71:2b 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-40762) 03/25/26 _x86_64_ (4 CPU) 10:14:27 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:13 25.29 1.76 10.01 13.52 482.04 2272.39 255327.80 10:40:11 3.09 0.00 3.00 0.09 0.00 320.87 49.07 Average: 14.32 0.89 6.55 6.88 243.86 1308.13 129193.03 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:13 9228636 12540576 3420600 20.89 118064 3355144 3602840 20.68 660368 6120964 32 10:40:11 10276424 13702580 2257548 13.79 122092 3455708 2430496 13.95 685064 5061040 27948 Average: 9752530 13121578 2839074 17.34 120078 3405426 3016668 17.32 672716 5591002 13990 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:13 lo 0.62 0.62 0.33 0.33 0.00 0.00 0.00 0.00 10:30:13 ens3 29.12 21.77 296.39 3.71 0.00 0.00 0.00 0.00 10:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:11 lo 0.24 0.24 0.07 0.07 0.00 0.00 0.00 0.00 10:40:11 ens3 3.84 3.48 2.12 0.95 0.00 0.00 0.00 0.00 10:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.43 0.43 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 16.63 12.73 150.99 2.34 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-40762) 03/25/26 _x86_64_ (4 CPU) 10:14:27 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:13 all 51.75 0.00 1.13 1.08 0.13 45.91 10:30:13 0 52.96 0.00 0.99 0.42 0.13 45.50 10:30:13 1 51.15 0.00 1.18 1.94 0.14 45.60 10:30:13 2 51.30 0.00 1.11 0.61 0.13 46.86 10:30:13 3 51.60 0.00 1.24 1.36 0.12 45.68 10:40:11 all 48.27 0.00 0.50 0.20 0.10 50.92 10:40:11 0 54.09 0.00 0.56 0.29 0.12 44.95 10:40:11 1 45.47 0.00 0.49 0.34 0.10 53.61 10:40:11 2 54.99 0.00 0.56 0.05 0.10 44.30 10:40:11 3 38.54 0.00 0.42 0.13 0.09 60.83 Average: all 50.03 0.00 0.82 0.65 0.11 48.39 Average: 0 53.52 0.00 0.77 0.36 0.12 45.23 Average: 1 48.33 0.00 0.84 1.15 0.12 49.57 Average: 2 53.12 0.00 0.83 0.33 0.11 45.59 Average: 3 45.12 0.00 0.83 0.75 0.10 53.19