---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37465 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 8.1G 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 757 5089 4 2388 7184 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:fc:5f:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81289sec preferred_lft 81289sec inet6 fe80::f816:3eff:fefc:5f66/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37465) 07/21/26 _x86_64_ (2 CPU) 00:39:35 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.41 0.08 1.30 0.03 12.74 45.54 261.97 01:00:03 0.97 0.01 0.95 0.01 0.05 13.49 652.56 01:10:01 13.99 0.26 1.15 12.59 31.22 72.68 109457.76 01:20:01 0.93 0.01 0.92 0.00 1.07 12.33 0.05 01:30:03 1.01 0.00 1.00 0.01 0.00 14.50 434.42 01:40:01 0.86 0.00 0.86 0.00 0.00 12.28 0.00 01:50:01 0.86 0.00 0.86 0.00 0.00 11.92 0.01 02:00:03 24.14 2.85 18.95 2.34 225.27 3679.57 1073.18 Average: 5.52 0.40 3.25 1.87 33.84 483.83 13942.23 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6271620 7528204 291692 3.59 30584 1431804 548184 5.97 448808 1186828 132 01:00:03 6272708 7529964 289996 3.57 30764 1432276 548248 5.97 449112 1187348 148 01:10:01 6240712 7525264 294244 3.62 31096 1458876 748548 8.15 463664 1205492 136 01:20:01 6247600 7532964 286576 3.52 31256 1459516 548448 5.97 458720 1205980 180 01:30:03 6245612 7531520 287988 3.54 31440 1459856 548448 5.97 458732 1206504 128 01:40:01 6253184 7539704 279788 3.44 31600 1460300 548584 5.98 459060 1206992 164 01:50:01 6260416 7547468 272016 3.34 31784 1460640 548576 5.98 459200 1207504 220 02:00:03 5122408 7391012 374560 4.61 87468 2340560 665464 7.25 606640 2097548 2900 Average: 6114282 7515762 297108 3.65 38249 1562978 588062 6.41 475492 1313024 501 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.98 0.25 0.65 0.14 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.49 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.58 0.46 11.46 0.06 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.56 0.08 0.89 0.05 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.26 0.04 0.06 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.46 0.25 0.13 0.58 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.36 0.11 0.12 0.07 0.00 0.00 0.00 0.00 02:00:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:03 ens3 83.69 57.83 354.00 14.98 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.32 7.40 46.02 2.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37465) 07/21/26 _x86_64_ (2 CPU) 00:39:35 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.32 0.00 0.17 0.03 0.02 99.47 00:50:01 0 0.48 0.00 0.17 0.04 0.02 99.30 00:50:01 1 0.16 0.00 0.17 0.01 0.02 99.64 01:00:03 all 0.28 0.00 0.18 0.01 0.01 99.52 01:00:03 0 0.43 0.00 0.16 0.01 0.01 99.39 01:00:03 1 0.14 0.00 0.20 0.01 0.02 99.64 01:10:01 all 0.37 0.00 0.11 0.04 0.01 99.47 01:10:01 0 0.43 0.00 0.12 0.03 0.01 99.41 01:10:01 1 0.30 0.00 0.11 0.05 0.01 99.53 01:20:01 all 0.28 0.00 0.08 0.01 0.01 99.62 01:20:01 0 0.20 0.00 0.08 0.00 0.01 99.71 01:20:01 1 0.35 0.00 0.08 0.02 0.01 99.54 01:30:03 all 0.28 0.00 0.17 0.01 0.01 99.53 01:30:03 0 0.29 0.00 0.17 0.01 0.01 99.51 01:30:03 1 0.27 0.00 0.16 0.00 0.01 99.55 01:40:01 all 0.28 0.00 0.07 0.01 0.01 99.63 01:40:01 0 0.38 0.00 0.05 0.01 0.01 99.56 01:40:01 1 0.19 0.00 0.09 0.01 0.02 99.71 01:50:01 all 0.26 0.00 0.07 0.01 0.01 99.66 01:50:01 0 0.46 0.00 0.06 0.01 0.01 99.47 01:50:01 1 0.06 0.00 0.08 0.01 0.02 99.84 02:00:03 all 17.47 0.00 1.96 0.80 0.11 79.67 02:00:03 0 23.96 0.00 2.20 1.05 0.08 72.70 02:00:03 1 10.97 0.00 1.71 0.55 0.13 86.64 Average: all 2.44 0.00 0.35 0.11 0.03 97.07 Average: 0 3.33 0.00 0.37 0.15 0.02 96.13 Average: 1 1.55 0.00 0.33 0.08 0.03 98.01