---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1615 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 737 5254 4 2246 7204 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:33:18:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81737sec preferred_lft 81737sec inet6 fe80::f816:3eff:fe33:18d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1615) 04/10/26 _x86_64_ (2 CPU) 00:40:29 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.40 0.01 1.38 0.02 0.05 16.46 438.79 01:10:11 1.24 0.00 1.22 0.02 0.00 14.49 1.18 01:20:11 1.39 0.00 1.38 0.02 0.01 15.73 1.20 01:30:01 2.15 0.32 1.79 0.05 39.66 76.97 665.92 01:40:12 15.37 13.30 2.01 0.07 149.38 44.83 148.83 01:50:03 1.78 0.41 1.37 0.01 16.07 47.86 0.37 Average: 3.93 2.38 1.52 0.03 34.52 35.90 207.69 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6299132 7546588 273688 3.37 30708 1422400 526468 5.73 443660 1183488 168 01:10:11 6298892 7546864 273408 3.36 30892 1422728 526468 5.73 443792 1184000 132 01:20:11 6304480 7552980 267284 3.29 31088 1423052 526648 5.74 444344 1184520 132 01:30:01 6238500 7515812 303696 3.73 31496 1451056 725072 7.90 461648 1201868 236 01:40:12 6193336 7528236 282336 3.47 35696 1496128 526776 5.74 457172 1250080 180 01:50:03 6173888 7524016 286272 3.52 36004 1510820 543248 5.92 484704 1263572 280 Average: 6251371 7535749 281114 3.46 32647 1454364 562447 6.13 455887 1211255 188 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.53 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.41 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.45 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.57 0.33 3.14 0.53 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.47 0.12 0.14 0.08 0.00 0.00 0.00 0.00 01:50:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 11.91 4.85 20.55 2.71 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 2.36 0.91 3.96 0.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1615) 04/10/26 _x86_64_ (2 CPU) 00:40:29 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.31 0.00 0.16 0.04 0.03 99.45 01:00:01 0 0.26 0.00 0.17 0.04 0.04 99.50 01:00:01 1 0.36 0.00 0.16 0.04 0.03 99.41 01:10:11 all 0.23 0.00 0.07 0.06 0.02 99.62 01:10:11 0 0.35 0.00 0.07 0.01 0.02 99.56 01:10:11 1 0.12 0.00 0.08 0.11 0.02 99.67 01:20:11 all 0.26 0.00 0.08 0.09 0.02 99.55 01:20:11 0 0.22 0.00 0.08 0.02 0.02 99.66 01:20:11 1 0.31 0.00 0.08 0.16 0.02 99.44 01:30:01 all 0.40 0.00 0.20 0.03 0.02 99.34 01:30:01 0 0.54 0.00 0.22 0.04 0.02 99.18 01:30:01 1 0.26 0.00 0.19 0.02 0.02 99.50 01:40:12 all 0.24 0.18 0.14 0.18 0.02 99.24 01:40:12 0 0.04 0.36 0.21 0.32 0.03 99.04 01:40:12 1 0.44 0.00 0.06 0.04 0.02 99.44 01:50:03 all 0.51 0.00 0.09 0.09 0.03 99.28 01:50:03 0 0.26 0.00 0.13 0.15 0.03 99.43 01:50:03 1 0.77 0.00 0.05 0.03 0.02 99.13 Average: all 0.33 0.03 0.12 0.08 0.02 99.41 Average: 0 0.28 0.06 0.14 0.10 0.03 99.39 Average: 1 0.37 0.00 0.10 0.07 0.02 99.43