---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3834 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 760 19802 4 11529 30864 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:98:ee:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.77/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84790sec preferred_lft 84790sec inet6 fe80::f816:3eff:fe98:ee58/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:e8:5e:0a:6a:5c 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 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3834) 08/03/26 _x86_64_ (8 CPU) 19:57:10 LINUX RESTART (8 CPU) 20:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:02 277.61 1.20 254.77 21.65 52.96 15411.13 512168.55 20:20:01 10.19 0.21 8.74 1.24 2.14 1597.06 502.03 Average: 144.10 0.70 131.94 11.46 27.58 8514.63 256725.41 20:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:02 16312744 25335336 6908796 21.02 470908 8086864 10615584 31.30 1509208 13819112 4768 20:20:01 15651272 25106168 7133476 21.71 479500 8479296 14670128 43.26 1591896 14358964 6288 Average: 15982008 25220752 7021136 21.37 475204 8283080 12642856 37.28 1550552 14089038 5528 20:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:02 lo 3.56 3.56 1.28 1.28 0.00 0.00 0.00 0.00 20:10:02 ens3 332.83 196.66 852.74 79.70 0.00 0.00 0.00 0.00 20:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 4.31 4.31 0.71 0.71 0.00 0.00 0.00 0.00 20:20:01 ens3 124.59 70.64 113.06 37.61 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 1.00 1.00 0.00 0.00 0.00 0.00 Average: ens3 228.87 133.74 483.46 58.69 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 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3834) 08/03/26 _x86_64_ (8 CPU) 19:57:10 LINUX RESTART (8 CPU) 20:00:01 CPU %user %nice %system %iowait %steal %idle 20:10:02 all 77.17 0.00 3.33 0.14 0.12 19.24 20:10:02 0 74.87 0.00 3.18 0.07 0.12 21.76 20:10:02 1 79.94 0.00 3.69 0.15 0.12 16.11 20:10:02 2 77.17 0.00 3.18 0.11 0.11 19.43 20:10:02 3 76.39 0.00 3.21 0.17 0.12 20.12 20:10:02 4 79.41 0.00 3.13 0.17 0.12 17.17 20:10:02 5 77.57 0.00 3.27 0.14 0.12 18.90 20:10:02 6 76.03 0.00 3.61 0.22 0.11 20.03 20:10:02 7 75.98 0.00 3.38 0.13 0.12 20.39 20:20:01 all 96.90 0.00 2.93 0.00 0.13 0.04 20:20:01 0 97.05 0.00 2.78 0.00 0.13 0.04 20:20:01 1 96.87 0.00 2.96 0.00 0.13 0.05 20:20:01 2 96.95 0.00 2.91 0.00 0.13 0.02 20:20:01 3 96.72 0.00 3.11 0.00 0.13 0.05 20:20:01 4 96.79 0.00 3.03 0.00 0.13 0.05 20:20:01 5 96.99 0.00 2.86 0.00 0.13 0.03 20:20:01 6 96.84 0.00 2.97 0.00 0.13 0.06 20:20:01 7 97.03 0.00 2.82 0.00 0.13 0.03 Average: all 87.04 0.00 3.13 0.07 0.12 9.64 Average: 0 85.96 0.00 2.98 0.03 0.12 10.91 Average: 1 88.40 0.00 3.32 0.07 0.12 8.08 Average: 2 87.05 0.00 3.05 0.06 0.12 9.72 Average: 3 86.55 0.00 3.16 0.08 0.12 10.08 Average: 4 88.11 0.00 3.08 0.08 0.12 8.61 Average: 5 87.28 0.00 3.07 0.07 0.12 9.46 Average: 6 86.44 0.00 3.29 0.11 0.12 10.04 Average: 7 86.50 0.00 3.10 0.06 0.12 10.21