---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1391 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 766 19816 4 11508 30857 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:cb:f7:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.75/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84214sec preferred_lft 84214sec inet6 fe80::f816:3eff:fecb:f7c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:31:5a:ed:84:e0 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-8c-8g-1391) 03/12/26 _x86_64_ (8 CPU) 10:45:51 LINUX RESTART (8 CPU) 10:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:38 16.15 0.48 14.88 0.78 18.30 4279.40 3875.67 11:10:27 7.34 0.29 6.07 0.98 4.65 526.20 82.11 11:20:34 313.41 0.48 309.41 3.52 5.72 22811.10 103839.78 Average: 112.34 0.42 110.16 1.76 9.69 9239.48 35952.81 10:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:38 23755872 27889592 4414252 13.43 168356 4158184 8297632 24.47 630072 7981956 22112 11:10:27 22134348 26364328 5937400 18.07 170076 4247828 8762268 25.84 660396 9570024 1972 11:20:34 16907468 27653252 4589464 13.97 464160 9768296 3806788 11.23 1698040 12977324 20812 Average: 20932563 27302391 4980372 15.16 267531 6058103 6955563 20.51 996169 10176435 14965 10:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:38 lo 2.06 2.06 0.99 0.99 0.00 0.00 0.00 0.00 11:00:38 ens3 221.68 127.79 423.79 52.55 0.00 0.00 0.00 0.00 11:00:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:27 lo 5.94 5.94 0.99 0.99 0.00 0.00 0.00 0.00 11:10:27 ens3 8.40 7.37 2.16 2.96 0.00 0.00 0.00 0.00 11:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:34 lo 0.36 0.36 0.06 0.06 0.00 0.00 0.00 0.00 11:20:34 ens3 145.79 95.08 917.35 26.78 0.00 0.00 0.00 0.00 11:20:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.75 2.75 0.68 0.68 0.00 0.00 0.00 0.00 Average: ens3 127.41 77.94 451.85 27.93 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-8c-8g-1391) 03/12/26 _x86_64_ (8 CPU) 10:45:51 LINUX RESTART (8 CPU) 10:50:13 CPU %user %nice %system %iowait %steal %idle 11:00:38 all 45.76 0.00 1.57 0.20 0.10 52.37 11:00:38 0 55.36 0.00 1.55 0.06 0.11 42.92 11:00:38 1 46.74 0.00 1.69 0.11 0.10 51.36 11:00:38 2 40.91 0.00 1.47 0.15 0.09 57.37 11:00:38 3 47.19 0.00 1.59 0.31 0.10 50.81 11:00:38 4 43.71 0.00 1.51 0.09 0.10 54.59 11:00:38 5 47.14 0.00 1.57 0.18 0.10 51.00 11:00:38 6 42.10 0.00 1.66 0.67 0.10 55.47 11:00:38 7 42.93 0.00 1.54 0.01 0.09 55.42 11:10:27 all 97.03 0.00 2.68 0.00 0.18 0.11 11:10:27 0 96.75 0.00 2.93 0.00 0.17 0.15 11:10:27 1 97.11 0.00 2.60 0.00 0.18 0.11 11:10:27 2 97.04 0.00 2.66 0.00 0.17 0.12 11:10:27 3 97.08 0.00 2.63 0.00 0.18 0.11 11:10:27 4 97.13 0.00 2.59 0.00 0.18 0.11 11:10:27 5 97.06 0.00 2.66 0.00 0.18 0.10 11:10:27 6 97.05 0.00 2.68 0.00 0.17 0.10 11:10:27 7 97.03 0.00 2.67 0.00 0.18 0.12 11:20:34 all 50.78 0.00 2.95 0.62 0.11 45.54 11:20:34 0 50.81 0.00 2.59 0.33 0.11 46.16 11:20:34 1 51.09 0.00 3.44 0.69 0.11 44.67 11:20:34 2 47.74 0.00 2.67 1.12 0.10 48.37 11:20:34 3 49.25 0.00 3.21 0.54 0.11 46.89 11:20:34 4 58.62 0.00 2.93 0.30 0.12 38.03 11:20:34 5 47.96 0.00 2.58 0.78 0.11 48.57 11:20:34 6 51.20 0.00 2.82 0.45 0.10 45.43 11:20:34 7 49.54 0.00 3.37 0.75 0.11 46.23 Average: all 64.04 0.00 2.39 0.27 0.13 33.17 Average: 0 67.25 0.00 2.34 0.13 0.13 30.15 Average: 1 64.52 0.00 2.57 0.27 0.13 32.52 Average: 2 61.37 0.00 2.26 0.42 0.12 35.82 Average: 3 64.05 0.00 2.46 0.29 0.13 33.06 Average: 4 65.99 0.00 2.33 0.13 0.13 31.42 Average: 5 63.59 0.00 2.26 0.32 0.13 33.70 Average: 6 62.91 0.00 2.38 0.38 0.12 34.21 Average: 7 62.66 0.00 2.51 0.25 0.13 34.44