---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1631 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 741 5216 4 2277 7200 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:0c:2e:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82010sec preferred_lft 82010sec inet6 fe80::f816:3eff:fe0c:2ef2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1631) 08/03/26 _x86_64_ (2 CPU) 00:42:56 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.53 0.01 1.50 0.02 0.05 17.85 654.15 01:10:01 1.34 0.00 1.32 0.02 0.00 15.56 1.21 01:20:05 1.35 0.00 1.34 0.02 0.01 15.72 1.19 01:30:05 2.08 0.25 1.78 0.04 30.97 79.00 655.01 01:40:01 1.44 0.01 1.41 0.02 1.06 16.82 1.26 01:50:05 25.11 1.44 10.37 13.30 105.97 1551.33 108575.90 Average: 5.50 0.29 2.96 2.25 23.12 284.26 18424.26 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6289584 7542232 278136 3.42 30736 1427508 521512 5.68 445776 1187916 188 01:10:01 6288604 7541792 278572 3.43 30944 1427840 523068 5.70 443252 1188456 208 01:20:05 6287932 7541660 278688 3.43 31156 1428164 523280 5.70 443824 1188992 196 01:30:05 6248192 7529344 290484 3.57 31560 1454796 724124 7.89 458264 1207264 192 01:40:01 6255288 7537440 282420 3.47 31788 1455556 523576 5.70 453476 1207824 276 01:50:05 5388576 7368652 411832 5.06 70168 2081380 658068 7.17 621360 1856960 272460 Average: 6126363 7510187 303355 3.73 37725 1545874 578938 6.31 477659 1306235 45587 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.55 0.06 0.06 0.02 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.42 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.57 0.09 3.68 0.06 0.00 0.00 0.00 0.00 01:30:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 1.16 0.51 3.89 0.08 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.69 0.23 0.14 0.49 0.00 0.00 0.00 0.00 01:50:05 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:50:05 ens3 42.45 25.89 276.64 5.99 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 7.68 4.50 47.70 1.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1631) 08/03/26 _x86_64_ (2 CPU) 00:42:56 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.28 0.00 0.16 0.32 0.02 99.22 01:00:05 0 0.35 0.00 0.15 0.63 0.02 98.85 01:00:05 1 0.21 0.00 0.17 0.01 0.02 99.59 01:10:01 all 0.29 0.00 0.08 0.01 0.02 99.60 01:10:01 0 0.37 0.00 0.06 0.01 0.02 99.55 01:10:01 1 0.21 0.00 0.09 0.02 0.03 99.66 01:20:05 all 0.25 0.00 0.08 0.02 0.01 99.63 01:20:05 0 0.40 0.00 0.07 0.01 0.01 99.50 01:20:05 1 0.11 0.00 0.09 0.03 0.02 99.76 01:30:05 all 0.40 0.00 0.20 0.02 0.02 99.37 01:30:05 0 0.48 0.00 0.17 0.01 0.02 99.33 01:30:05 1 0.32 0.00 0.23 0.03 0.02 99.40 01:40:01 all 0.24 0.00 0.08 0.01 0.01 99.66 01:40:01 0 0.34 0.00 0.06 0.01 0.02 99.57 01:40:01 1 0.14 0.00 0.09 0.00 0.01 99.75 01:50:05 all 6.31 0.00 0.89 0.33 0.03 92.44 01:50:05 0 9.96 0.00 1.18 0.38 0.04 88.45 01:50:05 1 2.67 0.00 0.59 0.29 0.02 96.43 Average: all 1.30 0.00 0.25 0.12 0.02 98.31 Average: 0 1.99 0.00 0.28 0.17 0.02 97.53 Average: 1 0.61 0.00 0.21 0.06 0.02 99.10