---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-298209 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 765 18948 4 12377 30858 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:61:7a:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84534sec preferred_lft 84534sec inet6 fe80::f816:3eff:fe61:7a2b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:81:67:64:1e:3d 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::9881:67ff:fe64:1e3d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-298209) 03/09/26 _x86_64_ (8 CPU) 00:00:27 LINUX RESTART (8 CPU) 00:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 18.54 0.44 17.66 0.44 15.55 14649.93 459.41 00:30:13 54.87 2.16 36.75 15.97 352.07 11079.62 480166.56 Average: 37.05 1.31 27.38 8.35 186.97 12831.21 244822.32 00:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19900504 28428868 3862884 11.75 185960 8413228 4049084 11.94 2165368 10155848 44 00:30:13 18589256 30665240 1606296 4.89 225488 11771840 2227816 6.57 3355284 10113668 83416 Average: 19244880 29547054 2734590 8.32 205724 10092534 3138450 9.25 2760326 10134758 41730 00:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 2467.92 2467.92 2357.03 2357.03 0.00 0.00 0.00 0.00 00:20:01 ens3 52.41 43.66 317.60 11.81 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 00:30:13 lo 2101.58 2101.58 1997.48 1997.48 0.00 0.00 0.00 0.00 00:30:13 ens3 187.60 199.50 364.65 2667.69 0.00 0.00 0.00 0.00 00:30:13 docker0 83.60 76.69 1331.96 69.73 0.00 0.00 0.00 0.00 Average: lo 2281.31 2281.31 2173.87 2173.87 0.00 0.00 0.00 0.00 Average: ens3 121.27 123.04 341.57 1364.72 0.00 0.00 0.00 0.00 Average: docker0 42.59 39.07 678.50 35.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-298209) 03/09/26 _x86_64_ (8 CPU) 00:00:27 LINUX RESTART (8 CPU) 00:10:12 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 28.33 0.00 1.62 0.08 0.06 69.90 00:20:01 0 21.68 0.00 1.13 0.14 0.06 76.98 00:20:01 1 34.22 0.00 1.27 0.09 0.06 64.35 00:20:01 2 28.85 0.00 1.37 0.03 0.07 69.69 00:20:01 3 23.35 0.00 1.17 0.07 0.06 75.35 00:20:01 4 23.89 0.00 0.89 0.05 0.06 75.12 00:20:01 5 39.59 0.00 3.24 0.01 0.07 57.10 00:20:01 6 30.09 0.00 2.94 0.15 0.06 66.76 00:20:01 7 25.07 0.00 0.92 0.14 0.06 73.81 00:30:13 all 13.18 0.00 1.40 0.16 0.04 85.23 00:30:13 0 7.72 0.00 1.20 0.22 0.04 90.83 00:30:13 1 20.92 0.00 1.73 0.04 0.05 77.26 00:30:13 2 18.74 0.00 1.63 0.23 0.04 79.36 00:30:13 3 8.95 0.00 1.08 0.04 0.04 89.90 00:30:13 4 9.40 0.00 1.35 0.26 0.03 88.96 00:30:13 5 16.64 0.00 2.47 0.11 0.05 80.73 00:30:13 6 15.54 0.00 0.72 0.13 0.04 83.58 00:30:13 7 7.55 0.00 0.99 0.24 0.05 91.17 Average: all 20.61 0.00 1.50 0.12 0.05 77.71 Average: 0 14.56 0.00 1.17 0.18 0.05 84.04 Average: 1 27.44 0.00 1.50 0.07 0.06 70.93 Average: 2 23.70 0.00 1.50 0.13 0.06 74.61 Average: 3 16.00 0.00 1.12 0.05 0.05 82.77 Average: 4 16.50 0.00 1.13 0.15 0.04 82.18 Average: 5 27.90 0.00 2.85 0.06 0.06 69.14 Average: 6 22.66 0.00 1.80 0.14 0.05 75.35 Average: 7 16.16 0.00 0.96 0.19 0.05 82.64