---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-16 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 14G 64G 18% / 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 658 8185 4 7145 14988 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:0d:af:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.115/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82313sec preferred_lft 82313sec inet6 fe80::f816:3eff:fe0d:afa4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:9d:7f:69:25:9e 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-16) 05/15/26 _x86_64_ (4 CPU) 19:11:35 LINUX RESTART (4 CPU) 19:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:30:19 14.27 0.21 1.38 12.68 1.97 17.96 235166.80 19:40:02 1.27 0.00 1.27 0.00 0.00 14.20 0.00 19:50:19 1.29 0.00 1.29 0.00 0.00 14.58 0.00 20:00:19 1.30 0.00 1.30 0.00 0.00 14.63 0.00 20:10:01 56.67 3.91 51.70 1.05 241.21 5291.30 2025.92 Average: 14.71 0.80 11.13 2.78 47.40 1043.37 48069.09 19:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:19 13388652 15478180 536968 3.28 60156 2254660 1147036 6.58 385872 2343636 8 19:40:02 13387900 15478000 537232 3.28 60556 2254800 1147488 6.59 386296 2344584 240 19:50:19 13387156 15477648 537668 3.28 60932 2254808 1147552 6.59 386672 2344268 124 20:00:19 13386400 15477340 537992 3.29 61356 2254820 1147552 6.59 387096 2344308 160 20:10:01 9880252 13504124 2454872 14.99 152072 3590612 2806092 16.11 756104 5347940 85688 Average: 12686072 15083058 920946 5.62 79014 2521940 1479144 8.49 460408 2944947 17244 19:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:30:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:30:19 ens3 0.28 0.17 0.09 0.20 0.00 0.00 0.00 0.00 19:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:40:02 ens3 0.32 0.21 0.12 0.28 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:50:19 ens3 0.34 0.21 0.13 0.25 0.00 0.00 0.00 0.00 19:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:19 ens3 0.25 0.17 0.09 0.20 0.00 0.00 0.00 0.00 20:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 0.54 0.54 0.06 0.06 0.00 0.00 0.00 0.00 20:10:01 ens3 109.66 87.73 851.63 24.74 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 21.61 17.25 166.03 5.01 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-v1-8c-8g-16) 05/15/26 _x86_64_ (4 CPU) 19:11:35 LINUX RESTART (4 CPU) 19:20:13 CPU %user %nice %system %iowait %steal %idle 19:30:19 all 0.17 0.00 0.03 0.15 0.01 99.63 19:30:19 0 0.02 0.00 0.01 0.01 0.00 99.95 19:30:19 1 0.31 0.00 0.04 0.14 0.01 99.51 19:30:19 2 0.31 0.00 0.05 0.46 0.02 99.16 19:30:19 3 0.04 0.00 0.04 0.00 0.01 99.91 19:40:02 all 0.05 0.00 0.03 0.01 0.02 99.90 19:40:02 0 0.03 0.00 0.02 0.00 0.01 99.94 19:40:02 1 0.12 0.00 0.02 0.01 0.01 99.84 19:40:02 2 0.04 0.00 0.05 0.01 0.03 99.87 19:40:02 3 0.03 0.00 0.02 0.00 0.01 99.94 19:50:19 all 0.14 0.00 0.03 0.01 0.01 99.81 19:50:19 0 0.02 0.00 0.04 0.02 0.01 99.90 19:50:19 1 0.01 0.00 0.02 0.01 0.02 99.95 19:50:19 2 0.03 0.00 0.02 0.00 0.01 99.95 19:50:19 3 0.50 0.00 0.04 0.00 0.02 99.44 20:00:19 all 0.16 0.00 0.03 0.01 0.02 99.79 20:00:19 0 0.03 0.00 0.03 0.02 0.02 99.91 20:00:19 1 0.02 0.00 0.03 0.01 0.02 99.93 20:00:19 2 0.03 0.00 0.02 0.00 0.01 99.94 20:00:19 3 0.55 0.00 0.03 0.00 0.02 99.39 20:10:01 all 25.80 0.00 1.26 0.33 0.06 72.55 20:10:01 0 24.91 0.00 1.23 0.74 0.06 73.07 20:10:01 1 26.32 0.00 1.25 0.16 0.06 72.21 20:10:01 2 25.87 0.00 1.24 0.10 0.06 72.74 20:10:01 3 26.12 0.00 1.33 0.31 0.06 72.18 Average: all 5.13 0.00 0.27 0.10 0.02 94.48 Average: 0 4.87 0.00 0.26 0.15 0.02 94.70 Average: 1 5.21 0.00 0.26 0.07 0.02 94.44 Average: 2 5.12 0.00 0.27 0.12 0.02 94.47 Average: 3 5.30 0.00 0.29 0.06 0.02 94.32