---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37117 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 775 5173 4 2286 7166 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:c0:35:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82198sec preferred_lft 82198sec inet6 fe80::f816:3eff:fec0:352b/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-37117) 07/19/26 _x86_64_ (2 CPU) 04:37:37 LINUX RESTART (2 CPU) 04:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:00 1.27 0.02 1.24 0.00 1.24 15.52 0.12 05:00:00 1.54 0.01 1.50 0.03 0.05 18.88 872.51 05:10:28 13.83 0.24 1.57 12.01 29.76 73.65 104392.72 05:20:00 1.43 0.01 1.43 0.00 1.12 16.78 0.06 05:30:00 1.56 0.00 1.55 0.01 0.00 19.33 653.40 05:40:00 1.30 0.00 1.30 0.00 0.00 15.69 0.00 Average: 3.58 0.05 1.43 2.10 5.58 27.08 18450.77 04:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:00 6287280 7538720 281544 3.46 30616 1426648 533348 5.81 443240 1187492 148 05:00:00 6279732 7531732 288540 3.55 30836 1426980 533552 5.81 443476 1188044 124 05:10:28 6225604 7504932 314788 3.87 31212 1453584 733828 7.99 457960 1206232 132 05:20:00 6244596 7524740 295008 3.63 31372 1454224 533648 5.81 452884 1206720 156 05:30:00 6251964 7532652 287004 3.53 31548 1454560 533896 5.82 453228 1207232 124 05:40:00 6251964 7533280 286372 3.52 31716 1455012 533960 5.82 453512 1207724 184 Average: 6256857 7527676 292209 3.59 31217 1445168 567039 6.18 450717 1200574 145 04:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:00 ens3 1.46 0.11 0.31 0.06 0.00 0.00 0.00 0.00 05:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:00 ens3 0.73 0.13 0.18 0.10 0.00 0.00 0.00 0.00 05:10:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:10:28 ens3 1.87 1.15 3.17 0.09 0.00 0.00 0.00 0.00 05:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:00 ens3 0.42 0.08 0.10 0.04 0.00 0.00 0.00 0.00 05:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:00 ens3 0.38 0.15 0.07 0.62 0.00 0.00 0.00 0.00 05:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:00 ens3 0.36 0.07 0.11 0.05 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 0.88 0.29 0.68 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37117) 07/19/26 _x86_64_ (2 CPU) 04:37:37 LINUX RESTART (2 CPU) 04:40:00 CPU %user %nice %system %iowait %steal %idle 04:50:00 all 0.27 0.00 0.08 0.01 0.04 99.61 04:50:00 0 0.13 0.00 0.09 0.01 0.04 99.72 04:50:00 1 0.41 0.00 0.06 0.01 0.03 99.49 05:00:00 all 0.31 0.00 0.17 0.01 0.03 99.48 05:00:00 0 0.18 0.00 0.17 0.01 0.04 99.61 05:00:00 1 0.44 0.00 0.16 0.02 0.03 99.35 05:10:28 all 0.38 0.00 0.12 0.05 0.03 99.42 05:10:28 0 0.29 0.00 0.11 0.06 0.02 99.51 05:10:28 1 0.48 0.00 0.13 0.03 0.03 99.33 05:20:00 all 0.25 0.00 0.08 0.02 0.03 99.62 05:20:00 0 0.43 0.00 0.07 0.01 0.02 99.47 05:20:00 1 0.08 0.00 0.10 0.03 0.03 99.76 05:30:00 all 0.30 0.00 0.16 0.01 0.02 99.51 05:30:00 0 0.19 0.00 0.17 0.01 0.03 99.60 05:30:00 1 0.41 0.00 0.14 0.01 0.02 99.42 05:40:00 all 0.27 0.00 0.07 0.01 0.02 99.63 05:40:00 0 0.08 0.00 0.10 0.01 0.03 99.79 05:40:00 1 0.45 0.00 0.05 0.01 0.01 99.48 Average: all 0.30 0.00 0.11 0.02 0.03 99.54 Average: 0 0.22 0.00 0.12 0.02 0.03 99.62 Average: 1 0.38 0.00 0.11 0.02 0.03 99.47