---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31249 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 792 5172 4 2269 7149 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:34:5b:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83155sec preferred_lft 83155sec inet6 fe80::f816:3eff:fe34:5b7a/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-31249) 06/28/26 _x86_64_ (2 CPU) 00:16:31 LINUX RESTART (2 CPU) 00:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:19 1.67 0.03 1.62 0.01 2.29 19.64 435.49 00:40:04 23.40 3.09 17.99 2.33 233.28 3542.52 685.06 00:50:18 1.13 0.00 1.12 0.00 0.00 13.89 0.23 01:00:19 1.44 0.00 1.41 0.03 0.00 17.59 1.76 01:10:20 6.09 0.08 4.46 1.55 5.78 244.09 2130.25 Average: 6.63 0.62 5.24 0.77 47.10 749.87 647.53 00:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:19 6259968 7538180 282088 3.47 30816 1452856 523716 5.70 457404 1204864 124 00:40:04 5176292 7378636 388772 4.78 86160 2276456 647020 7.05 620316 2038248 184 00:50:18 5174540 7377332 390120 4.80 86292 2276816 646900 7.05 620408 2038740 168 01:00:19 5165480 7368808 398588 4.90 86488 2277160 648056 7.06 620536 2039272 172 01:10:20 5333848 7365928 410316 5.05 89436 2111012 631580 6.88 632240 1874568 37200 Average: 5422026 7405777 373977 4.60 75838 2078860 619454 6.75 590181 1839138 7570 00:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:19 ens3 1.14 0.11 0.17 0.07 0.00 0.00 0.00 0.00 00:40:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 70.85 46.13 325.01 11.78 0.00 0.00 0.00 0.00 00:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:18 ens3 1.74 0.28 0.28 0.08 0.00 0.00 0.00 0.00 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.58 0.23 0.11 0.05 0.00 0.00 0.00 0.00 01:10:20 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 01:10:20 ens3 11.04 6.84 9.37 2.47 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.73 10.49 65.36 2.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31249) 06/28/26 _x86_64_ (2 CPU) 00:16:31 LINUX RESTART (2 CPU) 00:20:18 CPU %user %nice %system %iowait %steal %idle 00:30:19 all 0.34 0.00 0.18 0.01 0.04 99.43 00:30:19 0 0.41 0.00 0.18 0.02 0.04 99.35 00:30:19 1 0.27 0.00 0.18 0.01 0.04 99.50 00:40:04 all 12.01 0.00 1.76 0.56 0.07 85.61 00:40:04 0 14.86 0.00 1.95 0.71 0.08 82.39 00:40:04 1 9.15 0.00 1.56 0.41 0.06 88.81 00:50:18 all 0.38 0.00 0.12 0.01 0.08 99.41 00:50:18 0 0.33 0.00 0.16 0.01 0.11 99.39 00:50:18 1 0.44 0.00 0.08 0.00 0.04 99.43 01:00:19 all 0.38 0.00 0.20 0.01 0.07 99.33 01:00:19 0 0.44 0.00 0.15 0.01 0.04 99.36 01:00:19 1 0.32 0.00 0.26 0.01 0.10 99.30 01:10:20 all 4.21 0.00 0.56 0.10 0.07 95.06 01:10:20 0 3.51 0.00 0.57 0.03 0.08 95.80 01:10:20 1 4.91 0.00 0.55 0.16 0.06 94.32 Average: all 3.41 0.00 0.56 0.13 0.07 95.84 Average: 0 3.84 0.00 0.59 0.15 0.07 95.35 Average: 1 2.98 0.00 0.52 0.12 0.06 96.33