---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32247 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 8.1G 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 762 5021 4 2458 7179 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:3f:7e:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82152sec preferred_lft 82152sec inet6 fe80::f816:3eff:fe3f:7e50/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32247) 07/02/26 _x86_64_ (2 CPU) 01:59:23 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:07 1.79 0.03 1.74 0.02 1.43 29.08 219.69 02:20:10 1.25 0.01 1.23 0.01 0.07 15.20 0.72 02:30:10 1.29 0.00 1.26 0.03 0.00 15.95 437.52 02:40:10 1.94 0.26 1.65 0.03 32.00 76.54 1.39 02:50:11 13.93 0.00 1.37 12.55 0.15 16.45 109038.48 03:00:12 1.47 0.06 1.38 0.03 3.31 20.12 436.02 Average: 3.61 0.06 1.44 2.11 6.16 28.88 18357.89 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:07 6272544 7523384 296912 3.65 30604 1426056 528508 5.76 446056 1187452 64 02:20:10 6280116 7531508 288764 3.55 30808 1426384 528572 5.76 446068 1187984 192 02:30:10 6261792 7513728 306624 3.77 31012 1426712 539336 5.87 446216 1188516 176 02:40:10 6229320 7508696 311216 3.83 31392 1453412 539368 5.87 455544 1206520 180 02:50:11 6229320 7509316 310600 3.82 31616 1453788 539368 5.87 455948 1207092 176 03:00:12 6246068 7528480 291328 3.58 31844 1455952 542756 5.91 461096 1208892 136 Average: 6253193 7519185 300907 3.70 31213 1440384 536318 5.84 451821 1197743 154 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 1.41 0.06 0.18 0.02 0.00 0.00 0.00 0.00 02:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:10 ens3 0.42 0.06 0.15 0.02 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.49 0.03 4.93 0.01 0.00 0.00 0.00 0.00 02:40:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 1.25 0.49 3.97 0.06 0.00 0.00 0.00 0.00 02:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 0.25 0.08 0.07 0.04 0.00 0.00 0.00 0.00 03:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:12 ens3 1.66 0.88 2.24 0.76 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 0.91 0.27 1.92 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32247) 07/02/26 _x86_64_ (2 CPU) 01:59:23 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:07 all 0.32 0.00 0.18 0.01 0.02 99.47 02:10:07 0 0.51 0.00 0.14 0.02 0.02 99.31 02:10:07 1 0.13 0.00 0.21 0.01 0.02 99.62 02:20:10 all 0.26 0.00 0.09 0.09 0.02 99.53 02:20:10 0 0.33 0.00 0.06 0.17 0.01 99.42 02:20:10 1 0.20 0.00 0.12 0.01 0.02 99.65 02:30:10 all 0.33 0.00 0.19 0.02 0.12 99.34 02:30:10 0 0.15 0.00 0.19 0.03 0.20 99.44 02:30:10 1 0.51 0.00 0.20 0.01 0.05 99.24 02:40:10 all 0.42 0.00 0.11 0.02 0.02 99.43 02:40:10 0 0.37 0.00 0.17 0.03 0.02 99.41 02:40:10 1 0.47 0.00 0.06 0.02 0.01 99.45 02:50:11 all 0.29 0.00 0.09 0.03 0.02 99.56 02:50:11 0 0.18 0.00 0.12 0.06 0.02 99.63 02:50:11 1 0.41 0.00 0.07 0.01 0.01 99.50 03:00:12 all 0.37 0.00 0.17 0.01 0.02 99.43 03:00:12 0 0.39 0.00 0.16 0.01 0.02 99.43 03:00:12 1 0.36 0.00 0.18 0.01 0.02 99.43 Average: all 0.33 0.00 0.14 0.03 0.03 99.46 Average: 0 0.32 0.00 0.14 0.05 0.05 99.44 Average: 1 0.35 0.00 0.14 0.01 0.02 99.48