---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37122 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: 5599.94 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 760 5184 4 2290 7181 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:45:e9:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82123sec preferred_lft 82123sec inet6 fe80::f816:3eff:fe45:e958/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37122) 07/19/26 _x86_64_ (2 CPU) 04:37:48 LINUX RESTART (2 CPU) 04:40:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:01 1.37 0.03 1.34 0.00 1.29 15.97 0.13 05:00:26 1.60 0.01 1.57 0.02 0.05 18.92 419.17 05:10:26 1.89 0.25 1.61 0.02 30.97 76.16 0.99 05:20:01 1.28 0.01 1.27 0.00 1.11 15.10 0.06 05:30:26 13.68 0.00 1.62 12.05 0.14 19.56 105181.59 05:40:12 1.81 0.41 1.40 0.00 16.22 48.68 0.00 Average: 3.70 0.12 1.47 2.11 8.25 32.38 18407.05 04:40:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:01 6286516 7538040 282216 3.47 30596 1426748 532556 5.80 442800 1187600 156 05:00:26 6293120 7545208 274984 3.38 30816 1427080 532660 5.80 443804 1188152 132 05:10:26 6225188 7504556 315216 3.88 31184 1453644 741160 8.07 458196 1206320 132 05:20:01 6244752 7524920 294844 3.63 31328 1454284 532864 5.80 456404 1206792 220 05:30:26 6237232 7518120 301552 3.71 31524 1454788 532928 5.80 457120 1207328 180 05:40:12 6220744 7516696 302632 3.72 31828 1469460 549716 5.99 482496 1220792 260 Average: 6251259 7524590 295241 3.63 31213 1447667 570314 6.21 456803 1202831 180 04:40:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:01 ens3 1.15 0.16 0.28 0.07 0.00 0.00 0.00 0.00 05:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:26 ens3 0.69 0.13 0.18 0.10 0.00 0.00 0.00 0.00 05:10:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:10:26 ens3 2.29 0.95 3.33 0.08 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 0.57 0.08 0.66 0.04 0.00 0.00 0.00 0.00 05:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:26 ens3 0.39 0.18 0.07 0.51 0.00 0.00 0.00 0.00 05:40:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 05:40:12 ens3 13.90 6.50 20.74 2.81 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 3.12 1.31 4.14 0.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37122) 07/19/26 _x86_64_ (2 CPU) 04:37:48 LINUX RESTART (2 CPU) 04:40:26 CPU %user %nice %system %iowait %steal %idle 04:50:01 all 0.30 0.00 0.07 0.01 0.02 99.59 04:50:01 0 0.53 0.00 0.05 0.01 0.02 99.40 04:50:01 1 0.07 0.00 0.10 0.02 0.03 99.78 05:00:26 all 0.33 0.00 0.16 0.06 0.02 99.42 05:00:26 0 0.41 0.00 0.16 0.07 0.02 99.35 05:00:26 1 0.25 0.00 0.17 0.06 0.03 99.50 05:10:26 all 0.38 0.00 0.12 0.07 0.02 99.42 05:10:26 0 0.33 0.00 0.09 0.08 0.02 99.49 05:10:26 1 0.43 0.00 0.14 0.06 0.03 99.34 05:20:01 all 0.30 0.00 0.09 0.03 0.02 99.57 05:20:01 0 0.23 0.00 0.08 0.05 0.02 99.62 05:20:01 1 0.37 0.00 0.11 0.00 0.02 99.51 05:30:26 all 0.32 0.00 0.18 0.04 0.27 99.19 05:30:26 0 0.39 0.00 0.16 0.02 0.24 99.18 05:30:26 1 0.25 0.00 0.20 0.06 0.29 99.19 05:40:12 all 0.55 0.00 0.11 0.02 0.02 99.31 05:40:12 0 0.55 0.00 0.10 0.01 0.02 99.33 05:40:12 1 0.55 0.00 0.13 0.02 0.02 99.28 Average: all 0.36 0.00 0.12 0.04 0.06 99.41 Average: 0 0.41 0.00 0.11 0.04 0.06 99.39 Average: 1 0.32 0.00 0.14 0.04 0.07 99.43