---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-25959 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 790 18789 4 12512 30834 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:4f:86:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84499sec preferred_lft 84499sec inet6 fe80::f816:3eff:fe4f:868a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:5a:c8:f9:3a:b8 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 inet6 fe80::d45a:c8ff:fef9:3ab8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-25959) 06/09/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 22.00 0.49 20.96 0.55 17.68 15482.70 186.31 00:30:07 47.59 2.01 44.31 1.27 313.64 10496.31 5164.51 Average: 34.92 1.26 32.75 0.91 167.13 12964.78 2700.09 00:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18185368 27137676 5150212 15.67 192116 8810900 5306620 15.65 2216512 11783812 752 00:30:07 19436344 31567412 703204 2.14 237484 11798472 1312496 3.87 3250224 9324856 188 Average: 18810856 29352544 2926708 8.91 214800 10304686 3309558 9.76 2733368 10554334 470 00:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 248.24 248.24 242.98 242.98 0.00 0.00 0.00 0.00 00:20:01 ens3 61.11 52.53 324.20 14.14 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:07 lo 12.10 12.10 1.37 1.37 0.00 0.00 0.00 0.00 00:30:07 ens3 138.68 163.69 325.14 2669.73 0.00 0.00 0.00 0.00 00:30:07 docker0 80.72 65.99 1362.36 158.82 0.00 0.00 0.00 0.00 Average: lo 129.00 129.00 120.98 120.98 0.00 0.00 0.00 0.00 Average: ens3 100.28 108.66 324.67 1355.10 0.00 0.00 0.00 0.00 Average: docker0 40.76 33.32 687.94 80.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-25959) 06/09/26 _x86_64_ (8 CPU) 00:00:29 LINUX RESTART (8 CPU) 00:10:07 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 28.28 0.00 1.43 0.21 0.07 70.01 00:20:01 0 23.75 0.00 1.33 0.13 0.07 74.73 00:20:01 1 35.09 0.00 1.71 0.43 0.07 62.71 00:20:01 2 28.80 0.00 1.49 0.56 0.07 69.07 00:20:01 3 30.27 0.00 1.34 0.12 0.07 68.21 00:20:01 4 30.26 0.00 1.46 0.06 0.07 68.16 00:20:01 5 25.26 0.00 1.22 0.21 0.06 73.24 00:20:01 6 22.34 0.00 1.11 0.08 0.06 76.41 00:20:01 7 30.52 0.00 1.79 0.10 0.06 67.54 00:30:07 all 9.47 0.00 1.07 0.17 0.05 89.25 00:30:07 0 7.24 0.00 0.71 0.14 0.05 91.86 00:30:07 1 10.39 0.00 0.79 0.12 0.05 88.64 00:30:07 2 10.56 0.00 1.63 0.17 0.04 87.60 00:30:07 3 9.39 0.00 1.38 0.03 0.05 89.15 00:30:07 4 13.55 0.00 1.15 0.28 0.05 84.97 00:30:07 5 10.91 0.00 1.07 0.13 0.05 87.85 00:30:07 6 10.45 0.00 1.26 0.31 0.05 87.93 00:30:07 7 3.27 0.00 0.57 0.15 0.04 95.97 Average: all 18.77 0.00 1.25 0.19 0.06 79.73 Average: 0 15.40 0.00 1.02 0.14 0.06 83.38 Average: 1 22.61 0.00 1.25 0.27 0.06 75.81 Average: 2 19.57 0.00 1.56 0.36 0.05 78.45 Average: 3 19.71 0.00 1.36 0.08 0.06 78.80 Average: 4 21.81 0.00 1.30 0.17 0.06 76.66 Average: 5 18.00 0.00 1.15 0.17 0.06 80.63 Average: 6 16.33 0.00 1.19 0.19 0.06 82.23 Average: 7 16.74 0.00 1.17 0.12 0.05 81.92