---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39232 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 8.1G 30G 22% / 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 752 5105 4 2377 7189 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:a1:16:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82066sec preferred_lft 82066sec inet6 fe80::f816:3eff:fea1:16a1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39232) 07/27/26 _x86_64_ (2 CPU) 00:41:57 LINUX RESTART (2 CPU) 00:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.57 0.01 1.55 0.02 0.05 18.77 439.92 01:10:13 1.76 0.25 1.48 0.03 30.72 75.10 1.36 01:20:13 1.25 0.00 1.24 0.01 0.01 14.93 0.25 01:30:13 1.40 0.00 1.39 0.01 0.00 17.05 435.58 01:40:13 1.75 0.40 1.34 0.00 15.79 47.88 0.01 01:50:01 23.61 2.52 18.73 2.36 214.56 3748.00 1107.51 Average: 5.17 0.52 4.24 0.40 43.02 643.83 327.69 00:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6310792 7557744 262848 3.23 30672 1421960 524220 5.71 446312 1183552 140 01:10:13 6253264 7527564 292580 3.60 31068 1448556 724776 7.89 460724 1201780 140 01:20:13 6274980 7549812 270320 3.32 31256 1448888 724848 7.90 461388 1202300 132 01:30:13 6269588 7544996 274960 3.38 31452 1449224 725060 7.90 461584 1202832 216 01:40:13 6223040 7513784 305912 3.76 31744 1464044 762448 8.30 498604 1216296 260 01:50:01 5116104 7377220 370424 4.55 87352 2331116 845752 9.21 608828 2094912 344 Average: 6074628 7511853 296174 3.64 40591 1593965 717851 7.82 489573 1350279 205 00:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.60 0.07 0.12 0.05 0.00 0.00 0.00 0.00 01:10:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 1.08 0.49 3.72 0.07 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.42 0.07 0.13 0.05 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.45 0.18 0.11 0.55 0.00 0.00 0.00 0.00 01:40:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 14.78 6.65 24.08 2.79 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 79.44 60.92 339.12 13.18 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.93 11.24 60.33 2.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39232) 07/27/26 _x86_64_ (2 CPU) 00:41:57 LINUX RESTART (2 CPU) 00:50:13 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.28 0.00 0.17 0.01 0.03 99.51 01:00:08 0 0.31 0.00 0.16 0.01 0.03 99.49 01:00:08 1 0.25 0.00 0.18 0.01 0.03 99.53 01:10:13 all 0.37 0.00 0.11 0.02 0.03 99.47 01:10:13 0 0.32 0.00 0.08 0.01 0.02 99.56 01:10:13 1 0.43 0.00 0.13 0.03 0.03 99.38 01:20:13 all 0.25 0.00 0.07 0.01 0.03 99.64 01:20:13 0 0.26 0.00 0.07 0.01 0.02 99.64 01:20:13 1 0.23 0.00 0.08 0.01 0.03 99.65 01:30:13 all 0.30 0.00 0.15 0.01 0.03 99.51 01:30:13 0 0.32 0.00 0.16 0.01 0.03 99.49 01:30:13 1 0.29 0.00 0.15 0.01 0.03 99.52 01:40:13 all 0.51 0.00 0.10 0.01 0.03 99.34 01:40:13 0 0.31 0.00 0.11 0.00 0.03 99.55 01:40:13 1 0.72 0.00 0.10 0.03 0.02 99.14 01:50:01 all 17.09 0.00 1.86 0.52 0.06 80.48 01:50:01 0 11.26 0.00 1.50 0.46 0.05 86.72 01:50:01 1 22.92 0.00 2.21 0.57 0.07 74.23 Average: all 3.09 0.00 0.41 0.10 0.03 96.38 Average: 0 2.10 0.00 0.34 0.08 0.03 97.45 Average: 1 4.07 0.00 0.47 0.11 0.03 95.31