---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27688 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 734 5311 4 2184 7207 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:30:60:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82670sec preferred_lft 82670sec inet6 fe80::f816:3eff:fe30:6079/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27688) 06/16/26 _x86_64_ (2 CPU) 00:41:50 LINUX RESTART (2 CPU) 00:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.52 0.01 1.50 0.01 0.05 18.16 449.20 01:10:26 1.84 0.24 1.59 0.01 29.74 72.57 0.17 01:20:26 13.93 0.01 1.37 12.56 0.16 16.32 109133.95 01:30:01 1.48 0.00 1.45 0.03 0.00 17.67 682.20 01:40:03 1.75 0.40 1.34 0.02 15.74 47.23 1.20 Average: 4.12 0.13 1.45 2.54 9.44 34.95 22158.46 00:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6309064 7556300 264564 3.25 30640 1422320 532848 5.80 443340 1183476 280 01:10:26 6250828 7524900 295488 3.63 31004 1448428 730480 7.96 459112 1201184 124 01:20:26 6250576 7525232 295012 3.63 31208 1448800 728952 7.94 458240 1201720 176 01:30:01 6258436 7533692 286432 3.52 31424 1449124 728952 7.94 458208 1202272 272 01:40:03 6234300 7524728 295088 3.63 31760 1463904 747404 8.14 481088 1215744 308 Average: 6260641 7532970 287317 3.53 31207 1446515 693727 7.56 459998 1200879 232 00:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.59 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:26 ens3 1.59 0.46 14.52 0.06 0.00 0.00 0.00 0.00 01:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:26 ens3 0.49 0.11 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 9.82 4.84 20.12 3.11 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.58 1.12 7.15 0.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27688) 06/16/26 _x86_64_ (2 CPU) 00:41:50 LINUX RESTART (2 CPU) 00:50:18 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.31 0.00 0.17 0.03 0.02 99.48 01:00:01 0 0.50 0.00 0.15 0.02 0.02 99.32 01:00:01 1 0.12 0.00 0.19 0.04 0.02 99.63 01:10:26 all 0.39 0.00 0.10 0.02 0.02 99.47 01:10:26 0 0.62 0.00 0.11 0.03 0.02 99.21 01:10:26 1 0.15 0.00 0.09 0.01 0.03 99.72 01:20:26 all 0.23 0.00 0.09 0.09 0.03 99.57 01:20:26 0 0.07 0.00 0.11 0.11 0.03 99.68 01:20:26 1 0.40 0.00 0.07 0.07 0.02 99.45 01:30:01 all 0.27 0.00 0.17 0.01 0.02 99.52 01:30:01 0 0.06 0.00 0.18 0.01 0.02 99.73 01:30:01 1 0.48 0.00 0.16 0.02 0.02 99.32 01:40:03 all 0.54 0.00 0.10 0.01 0.02 99.32 01:40:03 0 0.56 0.00 0.11 0.01 0.02 99.29 01:40:03 1 0.52 0.00 0.09 0.01 0.02 99.36 Average: all 0.35 0.00 0.13 0.03 0.02 99.47 Average: 0 0.37 0.00 0.13 0.03 0.02 99.44 Average: 1 0.33 0.00 0.12 0.03 0.02 99.50