---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20859 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 801 4939 4 2509 7140 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:da:96:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82276sec preferred_lft 82276sec inet6 fe80::f816:3eff:feda:96de/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-20859) 05/28/26 _x86_64_ (2 CPU) 06:47:00 LINUX RESTART (2 CPU) 06:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:09 1.61 0.02 1.57 0.01 1.22 19.13 430.22 07:10:09 1.41 0.01 1.39 0.01 0.05 16.11 0.96 07:20:01 1.28 0.00 1.26 0.02 0.01 14.72 1.09 07:30:09 15.60 13.37 2.14 0.08 149.20 46.09 222.72 07:40:09 1.74 0.25 1.46 0.03 30.97 73.33 1.33 07:50:01 14.14 0.01 1.34 12.79 1.22 15.83 110653.47 Average: 5.96 2.31 1.53 2.13 30.77 30.94 18297.39 06:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:09 6262240 7508968 311348 3.83 30580 1422056 520872 5.67 448196 1183320 140 07:10:09 6268728 7515996 304336 3.74 30780 1422388 521520 5.68 447840 1183860 152 07:20:01 6268476 7516232 304108 3.74 30980 1422680 521656 5.68 447988 1184352 172 07:30:09 6214556 7519544 291588 3.59 35188 1467336 521780 5.68 448908 1232608 124 07:40:09 6159192 7491184 319468 3.93 35588 1493576 718384 7.82 464240 1250356 168 07:50:01 6171188 7504056 306556 3.77 35784 1494232 522488 5.69 459228 1250868 248 Average: 6224063 7509330 306234 3.77 33150 1453711 554450 6.04 452733 1214227 167 06:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:09 ens3 1.70 0.09 0.23 0.05 0.00 0.00 0.00 0.00 07:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:09 ens3 0.85 0.15 0.23 0.14 0.00 0.00 0.00 0.00 07:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:01 ens3 0.42 0.04 0.26 0.03 0.00 0.00 0.00 0.00 07:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:09 ens3 0.56 0.11 0.28 0.08 0.00 0.00 0.00 0.00 07:40:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:40:09 ens3 0.70 0.41 3.18 0.72 0.00 0.00 0.00 0.00 07:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:50:01 ens3 0.24 0.05 0.07 0.03 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 0.14 0.71 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20859) 05/28/26 _x86_64_ (2 CPU) 06:47:00 LINUX RESTART (2 CPU) 06:50:01 CPU %user %nice %system %iowait %steal %idle 07:00:09 all 0.27 0.00 0.19 0.04 0.04 99.47 07:00:09 0 0.17 0.00 0.18 0.07 0.05 99.53 07:00:09 1 0.36 0.00 0.19 0.00 0.02 99.41 07:10:09 all 0.31 0.00 0.10 0.25 0.12 99.22 07:10:09 0 0.34 0.00 0.07 0.06 0.09 99.45 07:10:09 1 0.29 0.00 0.12 0.44 0.15 98.99 07:20:01 all 0.23 0.00 0.08 0.01 0.02 99.67 07:20:01 0 0.05 0.00 0.08 0.01 0.02 99.84 07:20:01 1 0.40 0.00 0.08 0.00 0.02 99.50 07:30:09 all 0.26 0.19 0.23 0.15 0.02 99.15 07:30:09 0 0.33 0.34 0.26 0.27 0.01 98.78 07:30:09 1 0.20 0.03 0.19 0.03 0.02 99.52 07:40:09 all 0.31 0.00 0.10 0.03 0.02 99.55 07:40:09 0 0.30 0.00 0.10 0.01 0.02 99.58 07:40:09 1 0.33 0.00 0.10 0.04 0.01 99.52 07:50:01 all 0.24 0.00 0.08 0.03 0.02 99.63 07:50:01 0 0.05 0.00 0.08 0.02 0.02 99.83 07:50:01 1 0.42 0.00 0.08 0.05 0.01 99.44 Average: all 0.27 0.03 0.13 0.08 0.04 99.45 Average: 0 0.21 0.06 0.13 0.07 0.04 99.50 Average: 1 0.33 0.01 0.13 0.10 0.04 99.40