---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8449 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 768 5204 4 2264 7173 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:ac:3d:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82981sec preferred_lft 82981sec inet6 fe80::f816:3eff:feac:3dac/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-8449) 04/27/26 _x86_64_ (2 CPU) 14:17:09 LINUX RESTART (2 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:04 10.71 1.43 8.02 1.26 115.29 1110.50 151.49 14:40:01 15.65 13.60 2.00 0.06 150.80 46.36 9.48 14:50:01 1.30 0.00 1.30 0.00 0.00 17.15 0.24 15:00:01 1.53 0.00 1.49 0.04 0.00 22.39 1.73 15:10:01 1.94 0.32 1.58 0.04 39.09 92.75 1.97 Average: 6.22 3.06 2.88 0.28 61.01 258.81 33.11 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:04 5339104 7423112 349100 4.29 84608 2163800 621436 6.77 575268 1933248 176 14:40:01 5268988 7409632 353552 4.35 87760 2209128 623388 6.79 577672 1981112 276 14:50:01 5268764 7410316 352872 4.34 87904 2209884 623388 6.79 578200 1982020 160 15:00:01 5257512 7400500 362696 4.46 88072 2211128 625092 6.81 579476 1983432 124 15:10:01 5205460 7383016 379676 4.67 88412 2245204 855144 9.31 599892 2006664 388 Average: 5267966 7405315 359579 4.42 87351 2207829 669690 7.29 582102 1977295 225 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:04 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 14:30:04 ens3 21.10 16.57 38.10 4.53 0.00 0.00 0.00 0.00 14:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:40:01 ens3 1.24 0.51 0.39 0.14 0.00 0.00 0.00 0.00 14:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:50:01 ens3 1.20 0.44 0.25 0.09 0.00 0.00 0.00 0.00 15:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 15:00:01 ens3 1.20 0.60 0.94 0.16 0.00 0.00 0.00 0.00 15:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 15:10:01 ens3 4.90 3.25 4.62 0.84 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 5.95 4.29 8.90 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8449) 04/27/26 _x86_64_ (2 CPU) 14:17:09 LINUX RESTART (2 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:04 all 8.37 0.00 1.23 0.34 0.05 90.01 14:30:04 0 7.09 0.00 1.15 0.10 0.06 91.61 14:30:04 1 9.64 0.00 1.30 0.58 0.05 88.43 14:40:01 all 9.04 0.19 1.01 0.16 0.08 89.51 14:40:01 0 10.31 0.22 1.13 0.22 0.09 88.03 14:40:01 1 7.80 0.16 0.89 0.11 0.07 90.96 14:50:01 all 8.79 0.00 0.99 0.02 0.08 90.13 14:50:01 0 6.05 0.00 0.74 0.02 0.07 93.12 14:50:01 1 11.61 0.00 1.25 0.02 0.09 87.04 15:00:01 all 9.28 0.00 1.04 0.01 0.09 89.59 15:00:01 0 7.05 0.00 0.85 0.01 0.08 92.00 15:00:01 1 11.57 0.00 1.23 0.01 0.09 87.11 15:10:01 all 7.09 0.00 0.75 0.07 0.08 92.02 15:10:01 0 8.24 0.00 0.81 0.02 0.08 90.84 15:10:01 1 5.94 0.00 0.69 0.11 0.07 93.19 Average: all 8.51 0.04 1.00 0.12 0.08 90.26 Average: 0 7.73 0.04 0.94 0.07 0.08 91.14 Average: 1 9.28 0.03 1.07 0.17 0.07 89.37