---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30652 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 800 4996 4 2446 7141 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:13:a1:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51248sec preferred_lft 51248sec inet6 fe80::f816:3eff:fe13:a161/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30652) 06/27/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:02 1.80 0.01 1.77 0.01 0.81 20.75 0.29 00:20:02 1.82 0.11 1.69 0.03 3.05 23.44 150.87 00:30:02 1.80 0.00 1.79 0.02 0.00 19.71 0.37 00:40:02 24.43 2.99 19.19 2.25 225.52 3432.46 1164.53 00:50:02 1.74 0.00 1.74 0.00 0.00 60.55 0.07 01:00:02 1.90 0.00 1.87 0.02 0.00 100.77 0.35 Average: 5.58 0.52 4.67 0.39 38.23 609.56 219.39 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:02 6117020 7512316 296472 3.65 53676 1537580 750068 8.17 476304 1308352 240 00:20:02 6138624 7496176 312484 3.84 53828 1499624 748272 8.15 475160 1270312 368 00:30:02 6142964 7501132 307500 3.78 53968 1500068 748272 8.15 475344 1270788 216 00:40:02 5096156 7370140 386368 4.75 104988 2320368 876640 9.55 631740 2096988 1064 00:50:02 5074536 7360596 395976 4.87 105096 2332404 901484 9.82 639760 2109132 344 01:00:02 5031048 7341596 414772 5.10 105212 2356716 897140 9.77 643628 2133560 1260 Average: 5600058 7430326 352262 4.33 79461 1924460 820313 8.93 556989 1698189 582 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:02 ens3 0.37 0.36 0.07 1.76 0.00 0.00 0.00 0.00 00:20:02 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 0.21 0.06 0.06 0.03 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.49 0.11 0.16 0.10 0.00 0.00 0.00 0.00 00:40:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 60.05 43.38 314.64 11.25 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 37.96 31.16 8.37 4.09 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 44.75 43.20 10.23 6.22 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 23.97 19.71 55.59 3.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30652) 06/27/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:02 all 0.09 0.00 0.09 0.01 0.03 99.78 00:10:02 0 0.07 0.00 0.07 0.01 0.02 99.83 00:10:02 1 0.11 0.00 0.11 0.01 0.04 99.73 00:20:02 all 0.64 0.00 0.21 0.01 0.03 99.10 00:20:02 0 0.47 0.00 0.23 0.00 0.04 99.26 00:20:02 1 0.81 0.00 0.19 0.03 0.03 98.95 00:30:02 all 0.24 0.00 0.15 0.07 0.03 99.50 00:30:02 0 0.06 0.00 0.18 0.06 0.05 99.66 00:30:02 1 0.42 0.00 0.12 0.09 0.02 99.35 00:40:02 all 11.74 0.00 1.66 0.61 0.05 85.94 00:40:02 0 9.51 0.00 1.36 0.69 0.05 88.39 00:40:02 1 13.98 0.00 1.96 0.53 0.05 83.48 00:50:02 all 6.42 0.00 0.46 0.03 0.08 93.01 00:50:02 0 8.70 0.00 0.56 0.05 0.08 90.60 00:50:02 1 4.13 0.00 0.36 0.00 0.08 95.42 01:00:02 all 8.70 0.00 0.61 0.01 0.08 90.60 01:00:02 0 7.17 0.00 0.61 0.01 0.07 92.14 01:00:02 1 10.22 0.00 0.62 0.01 0.08 89.07 Average: all 4.63 0.00 0.53 0.12 0.05 94.66 Average: 0 4.33 0.00 0.50 0.14 0.05 94.98 Average: 1 4.94 0.00 0.56 0.11 0.05 94.34