---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37677 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: 5600.00 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 754 5014 4 2467 7187 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:16:3b:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81684sec preferred_lft 81684sec inet6 fe80::f816:3eff:fe16:3b6c/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-37677) 07/22/26 _x86_64_ (2 CPU) 01:58:23 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:10 1.41 0.02 1.39 0.00 1.22 540.76 0.12 02:20:03 1.31 0.01 1.29 0.01 0.07 15.18 0.85 02:30:01 1.38 0.00 1.35 0.03 0.00 16.27 438.66 02:40:10 1.23 0.00 1.22 0.02 0.00 14.91 1.30 02:50:10 1.13 0.00 1.11 0.02 0.00 13.84 1.09 03:00:01 1.86 0.26 1.57 0.04 31.45 77.75 443.97 03:10:03 38.29 2.86 20.22 15.20 225.87 3757.80 108608.55 Average: 6.68 0.45 4.03 2.20 37.00 636.86 15702.55 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:10 6285092 7531912 288496 3.55 30588 1421912 530224 5.78 456804 1183332 124 02:20:03 6292428 7539792 280604 3.45 30804 1422240 530224 5.78 456876 1183876 188 02:30:01 6294800 7542704 277620 3.41 30992 1422568 530248 5.78 456916 1184392 132 02:40:10 6294048 7542484 277820 3.42 31204 1422892 530476 5.78 457068 1184916 176 02:50:10 6291528 7540520 279788 3.44 31412 1423220 530476 5.78 457260 1185464 232 03:00:01 6222080 7498508 321284 3.95 31788 1449896 730664 7.96 472400 1203624 244 03:10:03 5141024 7395360 370724 4.56 87204 2326512 649140 7.07 610664 2089776 960 Average: 6117286 7513040 299477 3.68 39142 1555606 575922 6.27 481141 1316483 294 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 1.65 0.07 0.30 0.02 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.37 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.33 0.05 0.08 0.01 0.00 0.00 0.00 0.00 02:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 0.46 0.11 0.12 0.06 0.00 0.00 0.00 0.00 02:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 0.28 0.07 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.58 0.30 3.36 0.10 0.00 0.00 0.00 0.00 03:10:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:03 ens3 81.10 57.94 348.22 15.32 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.16 8.40 50.50 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37677) 07/22/26 _x86_64_ (2 CPU) 01:58:23 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:10 all 0.30 0.00 0.08 0.01 0.03 99.58 02:10:10 0 0.27 0.00 0.08 0.01 0.03 99.61 02:10:10 1 0.32 0.00 0.08 0.01 0.03 99.56 02:20:03 all 0.24 0.00 0.10 0.01 0.03 99.63 02:20:03 0 0.15 0.00 0.09 0.01 0.03 99.72 02:20:03 1 0.32 0.00 0.10 0.01 0.03 99.54 02:30:01 all 0.26 0.00 0.17 0.01 0.02 99.54 02:30:01 0 0.26 0.00 0.17 0.00 0.02 99.54 02:30:01 1 0.26 0.00 0.16 0.02 0.02 99.53 02:40:10 all 0.24 0.00 0.07 0.01 0.02 99.65 02:40:10 0 0.43 0.00 0.04 0.01 0.01 99.49 02:40:10 1 0.05 0.00 0.09 0.00 0.03 99.82 02:50:10 all 0.24 0.00 0.07 0.01 0.02 99.65 02:50:10 0 0.43 0.00 0.06 0.00 0.02 99.49 02:50:10 1 0.06 0.00 0.09 0.02 0.03 99.81 03:00:01 all 0.42 0.00 0.20 0.02 0.02 99.34 03:00:01 0 0.51 0.00 0.21 0.03 0.02 99.23 03:00:01 1 0.32 0.00 0.18 0.01 0.03 99.46 03:10:03 all 16.96 0.00 1.82 0.80 0.06 80.36 03:10:03 0 21.41 0.00 1.76 0.68 0.06 76.08 03:10:03 1 12.50 0.00 1.88 0.92 0.06 84.64 Average: all 2.67 0.00 0.36 0.12 0.03 96.82 Average: 0 3.36 0.00 0.35 0.11 0.03 96.16 Average: 1 1.98 0.00 0.37 0.14 0.03 97.48