---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1141 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 7.9G 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 754 5289 4 2186 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:3a:76:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82197sec preferred_lft 82197sec inet6 fe80::f816:3eff:fe3a:7679/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1141) 04/08/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:12 1.50 0.02 1.46 0.01 1.22 18.40 642.45 02:10:01 1.78 0.33 1.44 0.02 40.87 72.51 0.33 02:20:01 1.21 0.00 1.21 0.00 0.01 14.85 0.17 02:30:12 1.31 0.00 1.29 0.03 0.00 16.12 1.44 02:40:12 1.14 0.00 1.12 0.02 0.00 14.09 0.99 02:50:01 1.66 0.42 1.22 0.02 16.35 47.01 1.22 Average: 1.43 0.13 1.29 0.02 9.57 30.24 109.71 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:12 6292968 7544068 276304 3.40 30616 1426100 528372 5.76 443032 1187108 124 02:10:01 6250940 7530984 288756 3.55 30984 1454328 725968 7.91 459168 1204400 140 02:20:01 6258040 7538668 281156 3.46 31156 1454724 528400 5.76 454604 1204896 260 02:30:12 6257320 7538528 281300 3.46 31368 1455060 528408 5.76 454612 1205444 240 02:40:12 6264884 7546748 273072 3.36 31556 1455516 528540 5.76 454808 1205960 196 02:50:01 6242516 7539512 280008 3.44 31892 1470252 543280 5.92 476512 1219504 304 Average: 6261111 7539751 280099 3.44 31262 1452663 563828 6.14 457123 1204552 211 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 1.24 0.07 0.16 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.02 0.20 11.24 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.25 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 0.30 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 13.98 5.60 20.61 2.54 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 2.79 0.98 5.27 0.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1141) 04/08/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:12 all 0.24 0.00 0.17 0.02 0.04 99.54 02:00:12 0 0.27 0.00 0.16 0.02 0.03 99.51 02:00:12 1 0.21 0.00 0.17 0.01 0.04 99.57 02:10:01 all 0.36 0.00 0.12 0.03 0.03 99.47 02:10:01 0 0.39 0.00 0.09 0.01 0.02 99.50 02:10:01 1 0.32 0.00 0.15 0.05 0.03 99.45 02:20:01 all 0.22 0.00 0.08 0.05 0.02 99.63 02:20:01 0 0.28 0.00 0.07 0.03 0.03 99.59 02:20:01 1 0.16 0.00 0.08 0.06 0.02 99.67 02:30:12 all 0.27 0.00 0.15 0.10 0.02 99.46 02:30:12 0 0.27 0.00 0.16 0.13 0.02 99.42 02:30:12 1 0.26 0.00 0.15 0.07 0.02 99.50 02:40:12 all 0.25 0.00 0.08 0.10 0.02 99.56 02:40:12 0 0.06 0.00 0.10 0.17 0.02 99.64 02:40:12 1 0.44 0.00 0.06 0.02 0.02 99.47 02:50:01 all 0.50 0.00 0.11 0.03 0.02 99.34 02:50:01 0 0.31 0.00 0.12 0.03 0.02 99.52 02:50:01 1 0.68 0.00 0.11 0.03 0.02 99.16 Average: all 0.30 0.00 0.12 0.05 0.02 99.50 Average: 0 0.26 0.00 0.12 0.07 0.02 99.53 Average: 1 0.34 0.00 0.12 0.04 0.02 99.47