---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37232 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 Stepping: 0 BogoMIPS: 5600.00 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 760 5185 4 2289 7181 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ad:fb:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81483sec preferred_lft 81483sec inet6 fe80::f816:3eff:fead:fb5c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37232) 07/20/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:25 1.63 0.02 1.58 0.03 1.79 19.17 419.43 00:20:25 14.30 0.12 1.61 12.58 3.63 20.88 109365.80 00:30:01 1.55 0.00 1.53 0.02 0.00 18.78 680.79 00:40:25 23.62 2.74 18.66 2.21 217.07 3379.12 709.47 00:50:25 1.36 0.00 1.34 0.01 0.00 21.71 0.99 Average: 8.61 0.59 5.05 2.96 45.88 713.26 22058.73 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:25 6247404 7523108 296480 3.65 31208 1449984 535256 5.83 457604 1202252 132 00:20:25 6233496 7509920 309464 3.81 31560 1450256 587224 6.40 461488 1202628 160 00:30:01 6238836 7515912 303468 3.73 31744 1450708 532612 5.80 457224 1203132 264 00:40:25 5188372 7406552 359220 4.42 87428 2290256 639308 6.96 592928 2052812 668 00:50:25 5113080 7333200 432672 5.32 87576 2292116 670696 7.31 615556 2054820 400 Average: 5804238 7457738 340261 4.18 53903 1786664 593019 6.46 516960 1543129 325 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:25 ens3 0.26 0.04 0.06 0.03 0.00 0.00 0.00 0.00 00:20:25 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:25 ens3 0.18 0.04 0.03 0.01 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.46 0.23 0.15 0.51 0.00 0.00 0.00 0.00 00:40:25 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:25 ens3 61.08 43.99 312.93 11.16 0.00 0.00 0.00 0.00 00:50:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:25 ens3 13.05 10.03 72.39 1.05 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.37 11.13 78.98 2.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37232) 07/20/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:25 all 0.21 0.00 0.11 0.01 0.02 99.65 00:10:25 0 0.35 0.00 0.11 0.02 0.02 99.50 00:10:25 1 0.07 0.00 0.11 0.01 0.02 99.79 00:20:25 all 0.50 0.00 0.21 0.02 0.02 99.25 00:20:25 0 0.32 0.00 0.23 0.03 0.03 99.40 00:20:25 1 0.68 0.00 0.20 0.01 0.02 99.09 00:30:01 all 0.28 0.00 0.15 0.01 0.02 99.53 00:30:01 0 0.16 0.00 0.18 0.00 0.02 99.64 00:30:01 1 0.41 0.00 0.12 0.02 0.02 99.43 00:40:25 all 11.50 0.00 1.63 0.49 0.04 86.34 00:40:25 0 10.74 0.00 1.57 0.38 0.05 87.26 00:40:25 1 12.26 0.00 1.68 0.59 0.04 85.42 00:50:25 all 0.79 0.00 0.19 0.01 0.04 98.97 00:50:25 0 0.56 0.00 0.12 0.01 0.03 99.27 00:50:25 1 1.02 0.00 0.25 0.00 0.06 98.67 Average: all 2.73 0.00 0.47 0.11 0.03 96.67 Average: 0 2.49 0.00 0.45 0.09 0.03 96.94 Average: 1 2.96 0.00 0.48 0.13 0.03 96.40