---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4257 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 652 10399 4 4937 14993 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:92:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84606sec preferred_lft 84606sec inet6 fe80::f816:3eff:fe2f:9263/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:b9:d5:7a:8c:42 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-4257) 04/18/26 _x86_64_ (4 CPU) 13:10:19 LINUX RESTART (4 CPU) 13:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:13 10.30 0.49 8.81 1.00 18.49 2058.49 335.53 13:40:00 29.31 0.73 23.81 4.76 26.50 3665.61 6711.49 Average: 19.68 0.61 16.22 2.86 22.44 2851.97 3483.53 13:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:13 9691020 13685560 2269292 13.86 161396 3905144 2537592 14.57 820328 5420324 173732 13:40:00 10689044 15389724 560832 3.43 181456 4554160 1120288 6.43 1053772 4152992 12048 Average: 10190032 14537642 1415062 8.64 171426 4229652 1828940 10.50 937050 4786658 92890 13:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:13 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 13:30:13 ens3 58.66 47.56 101.34 16.17 0.00 0.00 0.00 0.00 13:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:00 lo 1773.60 1773.60 1677.30 1677.30 0.00 0.00 0.00 0.00 13:40:00 ens3 117.51 104.43 371.26 193.37 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 876.42 876.42 828.21 828.21 0.00 0.00 0.00 0.00 Average: ens3 87.72 75.64 234.60 103.66 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-4257) 04/18/26 _x86_64_ (4 CPU) 13:10:19 LINUX RESTART (4 CPU) 13:20:12 CPU %user %nice %system %iowait %steal %idle 13:30:13 all 71.18 0.00 2.44 0.04 0.09 26.25 13:30:13 0 69.77 0.00 2.20 0.05 0.09 27.88 13:30:13 1 74.45 0.00 2.95 0.03 0.09 22.47 13:30:13 2 72.28 0.00 2.51 0.04 0.09 25.08 13:30:13 3 68.22 0.00 2.09 0.03 0.09 29.57 13:40:00 all 39.78 0.00 2.11 0.10 0.07 57.95 13:40:00 0 36.39 0.00 1.94 0.10 0.07 61.50 13:40:00 1 40.85 0.00 2.27 0.09 0.07 56.72 13:40:00 2 42.33 0.00 2.07 0.05 0.07 55.49 13:40:00 3 39.53 0.00 2.14 0.17 0.07 58.09 Average: all 55.66 0.00 2.28 0.07 0.08 41.92 Average: 0 53.29 0.00 2.08 0.07 0.08 44.49 Average: 1 57.82 0.00 2.62 0.06 0.08 39.43 Average: 2 57.48 0.00 2.29 0.04 0.08 40.10 Average: 3 54.07 0.00 2.12 0.10 0.08 43.64