---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33265 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 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 770 5194 4 2269 7171 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:c4:06:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82175sec preferred_lft 82175sec inet6 fe80::f816:3eff:fec4:668/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33265) 07/06/26 _x86_64_ (2 CPU) 01:48:24 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:13 1.58 0.02 1.54 0.02 1.24 18.38 436.13 02:10:14 1.40 0.01 1.38 0.02 0.05 16.11 1.20 02:20:16 1.38 0.00 1.36 0.02 0.01 15.52 1.20 02:30:17 2.06 0.25 1.77 0.04 30.92 77.16 1.62 02:40:07 1.47 0.01 1.45 0.02 1.07 16.73 1.27 02:50:17 1.38 0.00 1.36 0.02 0.00 15.67 1.18 Average: 1.54 0.05 1.48 0.02 5.55 26.59 73.75 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:13 6280452 7527284 292904 3.60 30568 1422160 529288 5.76 443924 1183128 124 02:10:14 6288264 7535648 284512 3.50 30792 1422492 529288 5.76 444144 1183676 160 02:20:16 6297480 7545396 274728 3.38 30988 1422816 529288 5.76 444176 1184204 124 02:30:17 6231808 7506924 312656 3.84 31376 1449236 728452 7.93 458612 1202248 176 02:40:07 6264180 7540168 279440 3.44 31592 1449880 529512 5.77 453484 1202796 124 02:50:17 6270508 7547156 272440 3.35 31800 1450332 529572 5.77 454052 1203320 156 Average: 6272115 7533763 286113 3.52 31186 1436153 562567 6.13 449732 1193229 144 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 1.71 0.08 0.33 0.04 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.38 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.71 0.02 6.31 0.01 0.00 0.00 0.00 0.00 02:30:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:17 ens3 0.83 0.44 3.24 0.04 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.31 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:17 ens3 0.34 0.09 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 0.71 0.12 1.68 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33265) 07/06/26 _x86_64_ (2 CPU) 01:48:24 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:13 all 0.30 0.00 0.17 0.01 0.03 99.49 02:00:13 0 0.29 0.00 0.16 0.01 0.03 99.51 02:00:13 1 0.31 0.00 0.18 0.01 0.04 99.46 02:10:14 all 0.25 0.00 0.07 0.01 0.03 99.64 02:10:14 0 0.38 0.00 0.05 0.02 0.02 99.53 02:10:14 1 0.12 0.00 0.09 0.00 0.04 99.74 02:20:16 all 0.23 0.00 0.08 0.01 0.03 99.66 02:20:16 0 0.42 0.00 0.06 0.02 0.02 99.49 02:20:16 1 0.04 0.00 0.09 0.00 0.04 99.82 02:30:17 all 0.38 0.00 0.18 0.02 0.03 99.40 02:30:17 0 0.46 0.00 0.17 0.02 0.03 99.33 02:30:17 1 0.29 0.00 0.19 0.02 0.03 99.47 02:40:07 all 0.25 0.00 0.07 0.01 0.03 99.64 02:40:07 0 0.05 0.00 0.08 0.01 0.03 99.82 02:40:07 1 0.45 0.00 0.06 0.01 0.02 99.46 02:50:17 all 0.22 0.00 0.08 0.01 0.03 99.67 02:50:17 0 0.06 0.00 0.10 0.00 0.03 99.81 02:50:17 1 0.38 0.00 0.06 0.01 0.02 99.53 Average: all 0.27 0.00 0.11 0.01 0.03 99.58 Average: 0 0.28 0.00 0.10 0.01 0.03 99.58 Average: 1 0.26 0.00 0.11 0.01 0.03 99.58