---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27005 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 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 745 5208 4 2279 7196 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:65:ca:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82169sec preferred_lft 82169sec inet6 fe80::f816:3eff:fe65:cae8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27005) 06/13/26 _x86_64_ (2 CPU) 01:48:20 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:05 1.65 0.02 1.61 0.01 1.23 19.86 866.96 02:10:05 1.40 0.01 1.39 0.00 0.05 16.20 0.12 02:20:01 14.00 0.01 1.36 12.63 0.16 15.41 110016.43 02:30:06 2.02 0.25 1.74 0.02 31.76 76.65 648.18 02:40:05 1.35 0.00 1.35 0.00 0.00 16.29 0.00 02:50:01 1.32 0.00 1.32 0.00 0.00 15.55 0.00 Average: 3.61 0.05 1.46 2.10 5.58 26.75 18451.95 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:05 6288488 7539692 280776 3.45 30644 1426172 531052 5.78 439004 1187444 228 02:10:05 6288488 7540224 280244 3.45 30832 1426504 531076 5.78 438976 1187972 224 02:20:01 6294872 7547148 273252 3.36 30996 1426872 531088 5.78 440112 1188476 124 02:30:06 6253684 7533124 286752 3.53 31376 1453292 531152 5.79 449536 1206192 224 02:40:05 6269308 7549276 270628 3.33 31556 1453628 531212 5.79 449848 1206708 296 02:50:01 6276392 7556960 262940 3.23 31700 1454072 531480 5.79 450460 1207176 240 Average: 6278539 7544404 275765 3.39 31184 1440090 531177 5.79 444656 1197328 223 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 1.56 0.08 0.19 0.04 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.43 0.04 0.06 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.32 0.04 0.96 0.01 0.00 0.00 0.00 0.00 02:30:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.56 0.26 3.15 0.05 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.45 0.12 0.15 0.08 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.49 0.18 0.15 0.56 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 0.64 0.12 0.78 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27005) 06/13/26 _x86_64_ (2 CPU) 01:48:20 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:05 all 0.34 0.00 0.17 0.01 0.03 99.45 02:00:05 0 0.24 0.00 0.17 0.01 0.03 99.55 02:00:05 1 0.43 0.00 0.17 0.01 0.04 99.36 02:10:05 all 0.28 0.00 0.07 0.01 0.03 99.61 02:10:05 0 0.27 0.00 0.08 0.00 0.03 99.61 02:10:05 1 0.29 0.00 0.06 0.02 0.03 99.60 02:20:01 all 0.25 0.00 0.09 0.03 0.03 99.60 02:20:01 0 0.06 0.00 0.10 0.06 0.03 99.74 02:20:01 1 0.44 0.00 0.07 0.00 0.03 99.45 02:30:06 all 0.40 0.00 0.20 0.02 0.03 99.35 02:30:06 0 0.20 0.00 0.18 0.02 0.03 99.58 02:30:06 1 0.59 0.00 0.23 0.02 0.03 99.12 02:40:05 all 0.29 0.00 0.08 0.01 0.03 99.58 02:40:05 0 0.08 0.00 0.11 0.01 0.04 99.76 02:40:05 1 0.49 0.00 0.06 0.02 0.03 99.40 02:50:01 all 0.29 0.00 0.08 0.01 0.03 99.60 02:50:01 0 0.10 0.00 0.09 0.02 0.03 99.77 02:50:01 1 0.48 0.00 0.07 0.00 0.03 99.42 Average: all 0.31 0.00 0.12 0.02 0.03 99.53 Average: 0 0.16 0.00 0.12 0.02 0.03 99.67 Average: 1 0.46 0.00 0.11 0.01 0.03 99.39