---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2894 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 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 814 5110 4 2305 7127 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:d7:1c:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83461sec preferred_lft 83461sec inet6 fe80::f816:3eff:fed7:1c4f/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-2894) 04/15/26 _x86_64_ (2 CPU) 02:57:23 LINUX RESTART (2 CPU) 03:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:08 9.14 1.23 6.91 0.99 105.55 1117.76 509.96 03:20:01 1.93 0.33 1.57 0.03 39.50 169.24 1.41 03:30:06 1.63 0.02 1.57 0.03 1.84 70.17 1.84 03:40:06 1.34 0.00 1.34 0.00 0.00 28.37 0.09 Average: 3.51 0.40 2.85 0.26 36.66 346.41 128.46 03:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:08 5305036 7399972 372520 4.58 84012 2175520 683492 7.44 601240 1944052 1500 03:20:01 5193164 7344756 426796 5.25 84300 2231396 920304 10.02 648344 1989204 1016 03:30:06 5172580 7339808 431688 5.31 84492 2246608 689212 7.51 643252 2004176 244 03:40:06 5179164 7350608 420792 5.17 84628 2250644 689212 7.51 643424 2008332 248 Average: 5212486 7358786 412949 5.08 84358 2226042 745555 8.12 634065 1986441 752 03:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:08 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:10:08 ens3 96.93 77.48 56.61 13.17 0.00 0.00 0.00 0.00 03:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 14.46 14.63 16.11 1.20 0.00 0.00 0.00 0.00 03:30:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:30:06 ens3 13.44 12.98 16.23 1.15 0.00 0.00 0.00 0.00 03:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:06 ens3 24.72 24.62 4.86 1.73 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 37.41 32.44 23.46 4.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2894) 04/15/26 _x86_64_ (2 CPU) 02:57:23 LINUX RESTART (2 CPU) 03:00:07 CPU %user %nice %system %iowait %steal %idle 03:10:08 all 7.15 0.00 1.23 0.16 0.06 91.39 03:10:08 0 6.70 0.00 1.28 0.24 0.06 91.72 03:10:08 1 7.61 0.00 1.19 0.07 0.06 91.07 03:20:01 all 4.21 0.00 0.59 0.02 0.08 95.10 03:20:01 0 5.84 0.00 0.66 0.02 0.08 93.40 03:20:01 1 2.57 0.00 0.52 0.02 0.08 96.80 03:30:06 all 3.40 0.00 0.55 0.01 0.09 95.95 03:30:06 0 3.29 0.00 0.48 0.01 0.08 96.14 03:30:06 1 3.51 0.00 0.61 0.01 0.10 95.77 03:40:06 all 1.56 0.00 0.33 0.01 0.08 98.02 03:40:06 0 1.49 0.00 0.33 0.01 0.07 98.10 03:40:06 1 1.62 0.00 0.33 0.01 0.09 97.94 Average: all 4.08 0.00 0.67 0.05 0.08 95.12 Average: 0 4.32 0.00 0.69 0.07 0.07 94.85 Average: 1 3.83 0.00 0.66 0.03 0.08 95.39