---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25995 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 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 770 5099 4 2372 7171 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:cf:3e:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82485sec preferred_lft 82485sec inet6 fe80::f816:3eff:fecf:3e41/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25995) 06/09/26 _x86_64_ (2 CPU) 00:41:57 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 15.52 13.55 1.90 0.07 151.17 45.12 7.11 01:10:00 1.79 0.26 1.50 0.03 32.03 73.87 1.43 01:20:00 13.85 0.01 1.26 12.59 0.16 15.36 109117.22 01:30:00 1.46 0.00 1.44 0.02 0.00 18.24 0.25 01:40:00 1.35 0.00 1.35 0.00 0.00 16.05 0.00 Average: 6.79 2.76 1.49 2.54 36.67 33.73 21825.20 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6211988 7520584 290792 3.58 34716 1471156 532868 5.80 444672 1235404 168 01:10:00 6189888 7525576 285328 3.51 35108 1497504 533000 5.81 453964 1253068 176 01:20:00 6195340 7531568 279244 3.43 35284 1497876 533064 5.81 455652 1253556 164 01:30:00 6194848 7531640 279140 3.43 35472 1498204 533224 5.81 455788 1254104 184 01:40:00 6192608 7530004 280736 3.45 35640 1498660 533292 5.81 456136 1254572 160 Average: 6196934 7527874 283048 3.48 35244 1492680 533090 5.81 453242 1250141 170 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.68 0.07 0.20 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.54 0.22 3.15 0.05 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.52 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.45 0.17 0.09 0.49 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.48 0.11 0.15 0.08 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 0.53 0.14 0.74 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25995) 06/09/26 _x86_64_ (2 CPU) 00:41:57 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.27 0.17 0.24 0.13 0.04 99.16 01:00:00 0 0.45 0.02 0.19 0.01 0.03 99.30 01:00:00 1 0.09 0.33 0.29 0.24 0.04 99.01 01:10:00 all 0.38 0.00 0.09 0.02 0.03 99.47 01:10:00 0 0.50 0.00 0.07 0.01 0.03 99.40 01:10:00 1 0.26 0.00 0.12 0.03 0.04 99.55 01:20:00 all 0.27 0.00 0.08 0.03 0.04 99.59 01:20:00 0 0.47 0.00 0.07 0.05 0.02 99.39 01:20:00 1 0.06 0.00 0.10 0.01 0.05 99.78 01:30:00 all 0.29 0.00 0.16 0.01 0.03 99.50 01:30:00 0 0.47 0.00 0.13 0.02 0.02 99.36 01:30:00 1 0.11 0.00 0.19 0.01 0.04 99.64 01:40:00 all 0.28 0.00 0.06 0.01 0.03 99.62 01:40:00 0 0.41 0.00 0.05 0.01 0.03 99.51 01:40:00 1 0.16 0.00 0.07 0.02 0.04 99.73 Average: all 0.30 0.03 0.13 0.04 0.03 99.47 Average: 0 0.46 0.00 0.10 0.02 0.03 99.39 Average: 1 0.14 0.07 0.15 0.06 0.04 99.54