---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-460 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 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 743 5221 4 2270 7198 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:a1:ea:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82383sec preferred_lft 82383sec inet6 fe80::f816:3eff:fea1:ea5c/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-460) 07/30/26 _x86_64_ (2 CPU) 00:39:00 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:28 1.65 0.03 1.61 0.01 1.24 19.95 208.89 01:00:01 1.53 0.01 1.51 0.01 0.06 18.07 456.63 01:10:18 13.56 0.00 1.37 12.18 0.14 15.91 106165.30 01:20:28 1.34 0.00 1.34 0.00 0.01 15.70 0.12 01:30:28 1.56 0.00 1.55 0.01 0.00 18.45 653.79 01:40:00 14.41 1.84 11.59 0.97 150.68 1990.00 213.37 Average: 5.63 0.30 3.08 2.25 24.22 331.37 18453.36 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:28 6283592 7530584 289940 3.57 30560 1422112 534152 5.82 449132 1183280 208 01:00:01 6286644 7534116 286428 3.52 30748 1422400 534152 5.82 449268 1183756 240 01:10:18 6285136 7533196 287296 3.53 30908 1422816 534472 5.82 449376 1184300 160 01:20:28 6288880 7537448 283040 3.48 31084 1423136 534544 5.82 449672 1184800 160 01:30:28 6284164 7533252 287156 3.53 31256 1423480 534640 5.82 450016 1185308 228 01:40:00 5471620 7407788 372236 4.58 71640 2035696 618380 6.74 575404 1812344 155808 Average: 6150006 7512731 301016 3.70 37699 1524940 548390 5.97 470478 1288965 26134 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:28 ens3 2.36 0.13 0.32 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.40 0.04 0.05 0.01 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 0.39 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:28 ens3 0.45 0.10 0.13 0.08 0.00 0.00 0.00 0.00 01:30:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:28 ens3 0.50 0.23 0.15 0.69 0.00 0.00 0.00 0.00 01:40:00 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:00 ens3 40.41 27.76 294.03 6.36 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.13 4.51 46.90 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-460) 07/30/26 _x86_64_ (2 CPU) 00:39:00 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:28 all 0.30 0.00 0.16 0.01 0.03 99.50 00:50:28 0 0.39 0.00 0.15 0.01 0.03 99.42 00:50:28 1 0.21 0.00 0.18 0.01 0.04 99.57 01:00:01 all 0.28 0.00 0.17 0.01 0.03 99.51 01:00:01 0 0.47 0.00 0.16 0.00 0.02 99.35 01:00:01 1 0.09 0.00 0.19 0.01 0.04 99.67 01:10:18 all 0.23 0.00 0.09 0.03 0.04 99.62 01:10:18 0 0.39 0.00 0.08 0.04 0.02 99.45 01:10:18 1 0.06 0.00 0.09 0.01 0.05 99.79 01:20:28 all 0.26 0.00 0.08 0.01 0.03 99.62 01:20:28 0 0.09 0.00 0.07 0.00 0.04 99.79 01:20:28 1 0.43 0.00 0.08 0.01 0.03 99.45 01:30:28 all 0.28 0.00 0.16 0.01 0.03 99.52 01:30:28 0 0.09 0.00 0.17 0.02 0.04 99.69 01:30:28 1 0.46 0.00 0.16 0.00 0.03 99.35 01:40:00 all 6.39 0.00 0.93 0.32 0.04 92.32 01:40:00 0 6.09 0.00 0.91 0.41 0.05 92.53 01:40:00 1 6.69 0.00 0.94 0.22 0.04 92.10 Average: all 1.24 0.00 0.26 0.06 0.03 98.40 Average: 0 1.21 0.00 0.25 0.08 0.03 98.43 Average: 1 1.28 0.00 0.27 0.05 0.04 98.38