---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1013 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 8.0G 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 736 5217 4 2280 7205 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:b5:2d:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81978sec preferred_lft 81978sec inet6 fe80::f816:3eff:feb5:2d6f/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-1013) 08/01/26 _x86_64_ (2 CPU) 00:43:02 LINUX RESTART (2 CPU) 00:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 2.15 0.26 1.86 0.03 31.03 79.92 654.16 01:10:02 1.35 0.01 1.33 0.02 1.08 15.79 1.29 01:20:18 1.47 0.00 1.45 0.02 0.01 17.74 1.19 01:30:18 14.19 0.00 1.61 12.58 0.15 19.35 109771.43 01:40:01 1.38 0.00 1.36 0.02 0.00 15.98 1.13 01:50:18 14.67 1.57 12.09 1.00 113.32 2298.10 216.84 Average: 5.93 0.31 3.33 2.28 24.81 418.84 18442.35 00:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 6240864 7514592 305304 3.75 30840 1448192 723480 7.88 461304 1201484 160 01:10:02 6249516 7524048 295828 3.64 31024 1448804 522924 5.70 456512 1201968 240 01:20:18 6256348 7531492 288340 3.55 31268 1449168 578452 6.30 462988 1202572 196 01:30:18 6249060 7524788 295012 3.63 31460 1449536 523376 5.70 457812 1203108 184 01:40:01 6249060 7525416 294388 3.62 31668 1449960 523440 5.70 458176 1203612 244 01:50:18 5447732 7387092 392764 4.83 72004 2038456 633592 6.90 590968 1815728 3680 Average: 6115430 7501238 311939 3.84 38044 1547353 584211 6.36 481293 1304745 784 00:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 1.55 0.50 3.35 0.07 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 1.56 0.07 0.24 0.05 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 1.28 0.26 0.27 0.68 0.00 0.00 0.00 0.00 01:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 0.79 0.05 0.14 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 0.92 0.10 0.18 0.07 0.00 0.00 0.00 0.00 01:50:18 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:18 ens3 39.28 24.65 270.68 5.98 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.75 4.39 47.12 1.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1013) 08/01/26 _x86_64_ (2 CPU) 00:43:02 LINUX RESTART (2 CPU) 00:50:18 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 0.40 0.00 0.20 0.03 0.03 99.34 01:00:18 0 0.36 0.00 0.22 0.06 0.03 99.33 01:00:18 1 0.45 0.00 0.18 0.01 0.02 99.34 01:10:02 all 0.26 0.00 0.08 0.01 0.03 99.63 01:10:02 0 0.11 0.00 0.08 0.01 0.03 99.78 01:10:02 1 0.41 0.00 0.08 0.01 0.03 99.48 01:20:18 all 0.29 0.00 0.09 0.01 0.03 99.59 01:20:18 0 0.10 0.00 0.10 0.02 0.03 99.75 01:20:18 1 0.48 0.00 0.07 0.01 0.02 99.42 01:30:18 all 0.25 0.00 0.17 0.03 0.02 99.52 01:30:18 0 0.21 0.00 0.18 0.00 0.03 99.58 01:30:18 1 0.30 0.00 0.16 0.07 0.02 99.45 01:40:01 all 0.22 0.00 0.07 0.01 0.02 99.68 01:40:01 0 0.05 0.00 0.08 0.00 0.03 99.84 01:40:01 1 0.40 0.00 0.05 0.02 0.02 99.52 01:50:18 all 6.08 0.00 0.90 0.44 0.04 92.54 01:50:18 0 5.75 0.00 0.87 0.42 0.03 92.92 01:50:18 1 6.42 0.00 0.93 0.45 0.04 92.16 Average: all 1.28 0.00 0.25 0.09 0.03 98.35 Average: 0 1.12 0.00 0.26 0.09 0.03 98.50 Average: 1 1.44 0.00 0.25 0.10 0.03 98.19