---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9791 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 853 5095 4 2281 7088 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:38:2a:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83460sec preferred_lft 83460sec inet6 fe80::f816:3eff:fe38:2a0e/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-9791) 04/30/26 _x86_64_ (2 CPU) 02:57:17 LINUX RESTART (2 CPU) 03:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:06 9.17 1.22 6.97 0.98 104.35 1120.68 547.96 03:20:01 14.97 0.01 1.39 13.57 0.22 111.79 107530.79 03:30:07 1.52 0.00 1.48 0.03 0.20 71.93 1.19 03:40:07 1.42 0.02 1.38 0.02 0.60 29.77 1.36 Average: 6.74 0.31 2.81 3.62 26.38 333.81 26783.18 03:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:06 5283932 7385352 386588 4.75 84000 2182096 694872 7.57 605404 1951776 2200 03:20:01 5224996 7354700 416856 5.13 84184 2210092 724476 7.89 635036 1979932 1396 03:30:07 5199596 7345060 426296 5.24 84352 2225412 700588 7.63 635508 1995472 184 03:40:07 5183676 7333640 437656 5.38 84568 2229632 700628 7.63 635696 1999788 184 Average: 5223050 7354688 416849 5.13 84276 2211808 705141 7.68 627911 1981742 991 03:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:06 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:10:06 ens3 95.14 75.69 56.11 12.85 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 13.44 13.64 12.91 1.12 0.00 0.00 0.00 0.00 03:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:07 ens3 12.49 12.29 7.65 1.10 0.00 0.00 0.00 0.00 03:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:07 ens3 24.13 23.95 5.01 1.69 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 36.32 31.41 20.43 4.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9791) 04/30/26 _x86_64_ (2 CPU) 02:57:17 LINUX RESTART (2 CPU) 03:00:05 CPU %user %nice %system %iowait %steal %idle 03:10:06 all 7.01 0.00 1.27 0.19 0.07 91.46 03:10:06 0 7.22 0.00 1.21 0.22 0.07 91.28 03:10:06 1 6.81 0.00 1.33 0.16 0.06 91.64 03:20:01 all 4.06 0.00 0.56 0.04 0.09 95.26 03:20:01 0 4.76 0.00 0.63 0.06 0.10 94.46 03:20:01 1 3.35 0.00 0.50 0.01 0.07 96.06 03:30:07 all 3.20 0.00 0.55 0.01 0.09 96.15 03:30:07 0 2.31 0.00 0.43 0.02 0.08 97.16 03:30:07 1 4.11 0.00 0.67 0.01 0.09 95.13 03:40:07 all 1.58 0.00 0.38 0.01 0.07 97.96 03:40:07 0 1.75 0.00 0.47 0.01 0.07 97.69 03:40:07 1 1.41 0.00 0.28 0.01 0.08 98.23 Average: all 3.96 0.00 0.69 0.06 0.08 95.21 Average: 0 4.01 0.00 0.68 0.08 0.08 95.15 Average: 1 3.92 0.00 0.69 0.05 0.08 95.26