---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19525 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 8.1G 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 846 5000 4 2387 7095 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:28:af:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83433sec preferred_lft 83433sec inet6 fe80::f816:3eff:fe28:af4b/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-19525) 05/24/26 _x86_64_ (2 CPU) 02:56:34 LINUX RESTART (2 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 9.91 1.46 7.45 1.00 135.09 1183.14 262.84 03:20:18 1.41 0.01 1.40 0.00 0.06 115.97 0.23 03:30:01 1.36 0.01 1.34 0.01 0.21 61.14 0.40 03:40:01 1.20 0.00 1.20 0.00 0.00 27.33 0.00 Average: 3.47 0.37 2.85 0.25 33.85 347.39 65.89 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5168048 7376600 391548 4.81 85760 2283864 897352 9.77 617692 2046360 2288 03:20:18 5116964 7355744 411668 5.06 85928 2313512 926972 10.10 647712 2076180 960 03:30:01 5097860 7349672 417392 5.13 86084 2326136 903052 9.84 648100 2089008 164 03:40:01 5096124 7352188 414832 5.10 86232 2330188 903208 9.84 648052 2093208 288 Average: 5119749 7358551 408860 5.03 86001 2313425 907646 9.89 640389 2076189 925 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 79.97 63.31 58.88 11.92 0.00 0.00 0.00 0.00 03:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:18 ens3 12.86 13.06 13.10 1.09 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 12.72 12.38 6.80 1.10 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 23.86 23.69 4.81 1.67 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 32.36 28.12 20.94 3.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19525) 05/24/26 _x86_64_ (2 CPU) 02:56:34 LINUX RESTART (2 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 6.98 0.00 1.21 0.22 0.07 91.52 03:10:01 0 7.57 0.00 1.22 0.13 0.08 91.00 03:10:01 1 6.39 0.00 1.20 0.30 0.06 92.04 03:20:18 all 4.13 0.00 0.56 0.01 0.09 95.21 03:20:18 0 2.56 0.00 0.43 0.01 0.07 96.92 03:20:18 1 5.70 0.00 0.69 0.01 0.10 93.51 03:30:01 all 2.98 0.00 0.54 0.02 0.09 96.37 03:30:01 0 2.05 0.00 0.46 0.03 0.09 97.37 03:30:01 1 3.92 0.00 0.62 0.01 0.09 95.37 03:40:01 all 1.55 0.00 0.35 0.02 0.08 98.00 03:40:01 0 1.36 0.00 0.26 0.01 0.09 98.28 03:40:01 1 1.75 0.00 0.44 0.02 0.07 97.72 Average: all 3.92 0.00 0.67 0.07 0.08 95.27 Average: 0 3.39 0.00 0.59 0.05 0.08 95.89 Average: 1 4.45 0.00 0.74 0.08 0.08 94.65