---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16952 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: 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: 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 7.9G 30G 21% / 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 740 5302 4 2188 7201 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:16:c3:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81851sec preferred_lft 81851sec inet6 fe80::f816:3eff:fe16:c3b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16952) 05/20/26 _x86_64_ (2 CPU) 00:30:00 LINUX RESTART (2 CPU) 00:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 1.18 0.01 1.17 0.00 0.05 14.67 0.12 01:00:04 13.96 0.00 1.42 12.54 0.15 17.35 109614.89 01:10:04 1.13 0.00 1.13 0.00 0.00 13.96 0.12 01:20:04 1.61 0.25 1.35 0.01 30.99 72.17 0.17 01:30:04 1.36 0.01 1.34 0.02 1.05 17.13 0.39 01:40:04 22.99 3.19 17.56 2.24 233.04 3151.92 585.67 Average: 7.04 0.58 3.99 2.47 44.21 547.87 18366.89 00:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 6293672 7544324 275944 3.39 30736 1425588 520700 5.67 448368 1187548 252 01:00:04 6286636 7537884 282408 3.47 30920 1425964 524648 5.71 451260 1188104 272 01:10:04 6286384 7538120 282180 3.47 31092 1426292 524848 5.72 451372 1188584 280 01:20:04 6244520 7522972 296924 3.65 31428 1452288 728028 7.93 465916 1206180 236 01:30:04 6246484 7525864 293988 3.61 31604 1453056 524872 5.72 461180 1206652 272 01:40:04 5285000 7410684 360736 4.44 85792 2203776 627740 6.84 593384 1965672 340 Average: 6107116 7513308 298697 3.67 40262 1564494 575139 6.26 478580 1323790 275 00:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 0.56 0.09 0.11 0.05 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.25 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.38 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:20:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.66 0.30 3.22 0.09 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.32 0.09 0.10 0.05 0.00 0.00 0.00 0.00 01:40:04 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:40:04 ens3 47.25 30.59 301.02 8.40 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.24 5.20 50.77 1.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16952) 05/20/26 _x86_64_ (2 CPU) 00:30:00 LINUX RESTART (2 CPU) 00:40:04 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 0.27 0.00 0.07 0.01 0.04 99.62 00:50:04 0 0.48 0.00 0.05 0.01 0.03 99.43 00:50:04 1 0.06 0.00 0.08 0.02 0.05 99.80 01:00:04 all 0.28 0.00 0.18 0.03 0.04 99.48 01:00:04 0 0.27 0.00 0.18 0.05 0.04 99.46 01:00:04 1 0.28 0.00 0.17 0.01 0.04 99.49 01:10:04 all 0.24 0.00 0.07 0.01 0.04 99.64 01:10:04 0 0.37 0.00 0.06 0.00 0.04 99.54 01:10:04 1 0.11 0.00 0.08 0.03 0.04 99.75 01:20:04 all 0.35 0.00 0.10 0.02 0.04 99.49 01:20:04 0 0.35 0.00 0.07 0.01 0.03 99.55 01:20:04 1 0.35 0.00 0.13 0.04 0.05 99.43 01:30:04 all 0.26 0.00 0.16 0.02 0.04 99.52 01:30:04 0 0.43 0.00 0.14 0.00 0.03 99.39 01:30:04 1 0.09 0.00 0.18 0.04 0.04 99.64 01:40:04 all 10.95 0.00 1.64 0.62 0.06 86.74 01:40:04 0 12.22 0.00 1.80 0.48 0.06 85.44 01:40:04 1 9.68 0.00 1.47 0.75 0.06 88.04 Average: all 2.05 0.00 0.37 0.12 0.04 97.42 Average: 0 2.35 0.00 0.38 0.09 0.04 97.14 Average: 1 1.76 0.00 0.35 0.15 0.05 97.69