---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37060 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 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 750 5204 4 2279 7191 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:02:4c:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83087sec preferred_lft 83087sec inet6 fe80::f816:3eff:fe02:4c39/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37060) 07/19/26 _x86_64_ (2 CPU) 00:16:24 LINUX RESTART (2 CPU) 00:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.52 0.03 1.48 0.01 1.27 17.78 445.08 00:40:13 36.60 2.82 18.63 15.15 220.84 3481.05 106517.11 00:50:13 1.19 0.00 1.18 0.01 0.00 14.47 0.84 01:00:01 1.38 0.00 1.37 0.02 0.00 17.05 0.23 01:10:10 2.64 0.29 2.00 0.35 31.72 118.98 1160.46 Average: 8.82 0.64 5.01 3.18 51.81 745.06 22084.18 00:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6296500 7543348 277208 3.41 30536 1421976 535272 5.83 441828 1183332 124 00:40:13 5228580 7416360 350440 4.31 86448 2261040 629332 6.85 580476 2032860 132 00:50:13 5227768 7415992 350884 4.31 86588 2261388 629348 6.85 580640 2033348 176 01:00:01 5217960 7406656 360140 4.43 86708 2261740 629508 6.86 580780 2033820 272 01:10:10 5369036 7398440 377416 4.64 87328 2110180 824592 8.98 615452 1873932 11004 Average: 5467969 7436159 343218 4.22 75522 2063265 649610 7.08 559835 1831458 2342 00:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.62 0.11 0.18 0.06 0.00 0.00 0.00 0.00 00:40:13 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:13 ens3 70.17 44.83 319.20 11.43 0.00 0.00 0.00 0.00 00:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 2.61 0.28 0.66 0.15 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 0.88 0.23 0.13 0.05 0.00 0.00 0.00 0.00 01:10:10 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 6.10 3.69 10.63 2.10 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 16.59 10.03 67.56 2.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37060) 07/19/26 _x86_64_ (2 CPU) 00:16:24 LINUX RESTART (2 CPU) 00:20:13 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.30 0.00 0.17 0.01 0.03 99.49 00:30:01 0 0.38 0.00 0.18 0.01 0.03 99.41 00:30:01 1 0.22 0.00 0.17 0.01 0.03 99.57 00:40:13 all 11.62 0.00 1.69 0.53 0.05 86.11 00:40:13 0 14.55 0.00 1.86 0.62 0.05 82.91 00:40:13 1 8.69 0.00 1.52 0.44 0.05 89.30 00:50:13 all 0.36 0.00 0.12 0.01 0.05 99.46 00:50:13 0 0.45 0.00 0.09 0.00 0.04 99.42 00:50:13 1 0.26 0.00 0.16 0.01 0.07 99.50 01:00:01 all 0.37 0.00 0.21 0.01 0.05 99.35 01:00:01 0 0.41 0.00 0.18 0.01 0.03 99.36 01:00:01 1 0.34 0.00 0.25 0.01 0.07 99.34 01:10:10 all 1.08 0.00 0.25 0.03 0.05 98.59 01:10:10 0 1.15 0.00 0.18 0.03 0.03 98.62 01:10:10 1 1.00 0.00 0.32 0.03 0.08 98.57 Average: all 2.80 0.00 0.50 0.12 0.05 96.54 Average: 0 3.45 0.00 0.50 0.14 0.04 95.87 Average: 1 2.14 0.00 0.49 0.10 0.06 97.21