---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30989 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 755 5208 4 2270 7186 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:90:a2:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82136sec preferred_lft 82136sec inet6 fe80::f816:3eff:fe90:a2b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30989) 06/27/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.15 0.28 1.84 0.03 33.40 79.31 656.39 02:10:03 1.54 0.01 1.52 0.01 0.05 18.31 0.86 02:20:03 1.38 0.00 1.35 0.02 0.01 15.99 218.97 02:30:01 1.52 0.00 1.49 0.03 0.00 18.25 438.31 02:40:03 1.33 0.00 1.32 0.02 0.00 15.61 1.20 02:50:03 13.97 0.00 1.41 12.56 0.15 16.69 109120.61 Average: 3.65 0.05 1.49 2.11 5.58 27.32 18405.41 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6260040 7537828 282240 3.47 30796 1452232 524604 5.71 446964 1204816 296 02:10:03 6267856 7546220 273760 3.37 31032 1452568 579844 6.32 452344 1205384 180 02:20:03 6266680 7545588 274416 3.37 31240 1452888 524768 5.72 447180 1205916 212 02:30:01 6261396 7540860 279140 3.43 31452 1453220 524768 5.72 447156 1206460 196 02:40:03 6269208 7549324 270668 3.33 31644 1453676 524848 5.72 447680 1206980 224 02:50:03 6271568 7552268 267660 3.29 31844 1454048 524912 5.72 448168 1207524 224 Average: 6266125 7545348 274647 3.38 31335 1453105 533957 5.82 448249 1206180 222 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.74 0.28 3.44 0.05 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.48 0.06 0.07 0.02 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.71 0.04 2.34 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.69 0.07 0.85 0.03 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.39 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.47 0.12 0.15 0.08 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.75 0.11 1.16 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30989) 06/27/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.43 0.00 0.24 0.86 0.33 98.14 02:00:01 0 0.36 0.00 0.28 0.44 0.26 98.66 02:00:01 1 0.51 0.00 0.20 1.28 0.39 97.62 02:10:03 all 0.25 0.00 0.09 0.01 0.02 99.62 02:10:03 0 0.23 0.00 0.09 0.01 0.02 99.65 02:10:03 1 0.28 0.00 0.09 0.01 0.02 99.60 02:20:03 all 0.22 0.00 0.09 0.06 0.02 99.61 02:20:03 0 0.08 0.00 0.09 0.09 0.02 99.72 02:20:03 1 0.37 0.00 0.08 0.03 0.02 99.50 02:30:01 all 0.29 0.00 0.18 0.81 0.02 98.70 02:30:01 0 0.29 0.00 0.19 0.03 0.02 99.47 02:30:01 1 0.29 0.00 0.17 1.59 0.02 97.94 02:40:03 all 0.24 0.00 0.08 0.16 0.02 99.50 02:40:03 0 0.26 0.00 0.07 0.00 0.02 99.64 02:40:03 1 0.22 0.00 0.08 0.33 0.02 99.35 02:50:03 all 0.28 0.00 0.08 0.03 0.02 99.59 02:50:03 0 0.38 0.00 0.08 0.05 0.02 99.48 02:50:03 1 0.18 0.00 0.08 0.01 0.03 99.70 Average: all 0.29 0.00 0.13 0.32 0.07 99.19 Average: 0 0.26 0.00 0.13 0.10 0.06 99.44 Average: 1 0.31 0.00 0.12 0.54 0.08 98.95