---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37490 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 756 5195 4 2283 7185 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:1f:5e:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81597sec preferred_lft 81597sec inet6 fe80::f816:3eff:fe1f:5e5d/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-37490) 07/21/26 _x86_64_ (2 CPU) 01:58:27 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:10 1.52 0.02 1.49 0.00 1.22 18.15 0.12 02:20:07 14.00 0.01 1.39 12.60 0.21 16.88 109707.11 02:30:01 1.55 0.00 1.52 0.03 0.00 18.17 441.57 02:40:10 1.36 0.00 1.34 0.02 0.00 16.31 1.18 02:50:10 1.94 0.26 1.65 0.03 32.03 77.31 1.43 03:00:01 1.55 0.00 1.52 0.03 0.00 18.69 443.08 03:10:07 1.34 0.00 1.34 0.00 0.00 16.30 0.24 Average: 3.31 0.04 1.46 1.80 4.78 25.95 15703.90 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:10 6295800 7542692 278032 3.42 30556 1422004 524188 5.71 445656 1183288 172 02:20:07 6303388 7550856 269644 3.32 30772 1422380 524212 5.71 445752 1183840 228 02:30:01 6295348 7543356 277196 3.41 30960 1422700 524352 5.71 445704 1184360 124 02:40:10 6296912 7545468 275080 3.38 31168 1423032 524384 5.71 445996 1184900 184 02:50:10 6245852 7522008 298128 3.67 31536 1449904 524448 5.71 455384 1203064 124 03:00:01 6246868 7523716 296348 3.64 31748 1450360 524448 5.71 455508 1203604 244 03:10:07 6247160 7524504 295548 3.63 31924 1450680 524576 5.71 456184 1204092 296 Average: 6275904 7536086 284282 3.50 31238 1434437 524373 5.71 450026 1192450 196 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 1.80 0.09 0.29 0.02 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 2.13 0.05 0.14 0.02 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 2.96 0.05 0.17 0.02 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 2.04 0.06 1.07 0.03 0.00 0.00 0.00 0.00 02:50:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 0.44 0.22 3.23 0.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.32 0.11 0.11 0.06 0.00 0.00 0.00 0.00 03:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:07 ens3 0.29 0.13 0.08 0.43 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 1.43 0.10 0.73 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37490) 07/21/26 _x86_64_ (2 CPU) 01:58:27 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:10 all 0.27 0.00 0.09 0.02 0.03 99.58 02:10:10 0 0.17 0.00 0.10 0.02 0.03 99.67 02:10:10 1 0.37 0.00 0.08 0.03 0.02 99.49 02:20:07 all 0.27 0.00 0.09 0.16 0.02 99.46 02:20:07 0 0.43 0.00 0.11 0.28 0.02 99.17 02:20:07 1 0.12 0.00 0.08 0.03 0.02 99.74 02:30:01 all 0.27 0.00 0.17 0.01 0.02 99.53 02:30:01 0 0.30 0.00 0.15 0.02 0.03 99.51 02:30:01 1 0.24 0.00 0.18 0.01 0.02 99.55 02:40:10 all 0.28 0.00 0.08 0.02 0.02 99.59 02:40:10 0 0.08 0.00 0.11 0.04 0.03 99.74 02:40:10 1 0.48 0.00 0.06 0.00 0.01 99.45 02:50:10 all 0.38 0.00 0.11 0.03 0.02 99.46 02:50:10 0 0.43 0.00 0.11 0.03 0.01 99.41 02:50:10 1 0.33 0.00 0.11 0.04 0.02 99.50 03:00:01 all 0.29 0.00 0.19 0.01 0.04 99.48 03:00:01 0 0.10 0.00 0.21 0.00 0.03 99.66 03:00:01 1 0.47 0.00 0.16 0.02 0.05 99.30 03:10:07 all 0.26 0.00 0.08 0.01 0.10 99.55 03:10:07 0 0.18 0.00 0.08 0.01 0.10 99.63 03:10:07 1 0.33 0.00 0.08 0.02 0.10 99.46 Average: all 0.29 0.00 0.12 0.04 0.04 99.52 Average: 0 0.24 0.00 0.12 0.06 0.03 99.54 Average: 1 0.33 0.00 0.11 0.02 0.04 99.50