---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-775 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 16G 62G 21% / 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 6375 3 9001 15033 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:aa:92:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.156/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85006sec preferred_lft 85006sec inet6 fe80::f816:3eff:feaa:9275/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:e7:42:d5:71:96 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-v1-8c-8g-775) 03/31/26 _x86_64_ (4 CPU) 05:17:46 LINUX RESTART (4 CPU) 05:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:18 38.06 2.42 34.30 1.34 151.23 14905.13 3692.47 05:40:08 251.49 1.19 240.80 9.51 28.07 14832.24 105250.16 Average: 143.86 1.81 136.66 5.39 90.18 14869.00 54034.70 05:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:18 7451728 13650628 2297364 14.03 199152 5992080 2530412 14.52 1157436 7212168 140104 05:40:08 6489240 15350512 574256 3.51 327156 8309404 1091168 6.26 2078476 7004008 84 Average: 6970484 14500570 1435810 8.77 263154 7150742 1810790 10.39 1617956 7108088 70094 05:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:18 lo 0.68 0.68 0.17 0.17 0.00 0.00 0.00 0.00 05:30:18 ens3 185.85 147.84 1621.41 32.32 0.00 0.00 0.00 0.00 05:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:08 lo 16.58 16.58 3.95 3.95 0.00 0.00 0.00 0.00 05:40:08 ens3 107.09 109.37 299.76 669.12 0.00 0.00 0.00 0.00 05:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.56 8.56 2.04 2.04 0.00 0.00 0.00 0.00 Average: ens3 146.81 128.77 966.27 347.98 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-v1-8c-8g-775) 03/31/26 _x86_64_ (4 CPU) 05:17:46 LINUX RESTART (4 CPU) 05:20:18 CPU %user %nice %system %iowait %steal %idle 05:30:18 all 37.58 0.00 2.75 0.57 0.44 58.66 05:30:18 0 38.97 0.00 2.60 0.17 0.45 57.80 05:30:18 1 37.86 0.00 2.95 0.72 0.44 58.02 05:30:18 2 35.55 0.00 2.44 0.73 0.44 60.83 05:30:18 3 37.92 0.00 2.99 0.67 0.43 57.99 05:40:08 all 38.37 0.00 3.23 0.35 0.11 57.94 05:40:08 0 35.98 0.00 3.36 0.33 0.10 60.23 05:40:08 1 36.07 0.00 2.95 0.30 0.11 60.57 05:40:08 2 37.22 0.00 3.44 0.32 0.10 58.92 05:40:08 3 44.22 0.00 3.19 0.44 0.11 52.04 Average: all 37.97 0.00 2.99 0.46 0.28 58.30 Average: 0 37.49 0.00 2.98 0.25 0.28 59.01 Average: 1 36.98 0.00 2.95 0.52 0.28 59.28 Average: 2 36.38 0.00 2.93 0.53 0.28 59.88 Average: 3 41.04 0.00 3.09 0.55 0.27 55.04