---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7271 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 8.2G 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 747 4977 4 2508 7194 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:42:b1:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82518sec preferred_lft 82518sec inet6 fe80::f816:3eff:fe42:b1f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7271) 04/24/26 _x86_64_ (2 CPU) 02:00:31 LINUX RESTART (2 CPU) 02:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:01 2.11 0.33 1.75 0.04 40.34 76.69 1.62 02:30:08 1.44 0.00 1.41 0.03 0.00 18.61 1.73 02:40:14 1.42 0.00 1.40 0.02 0.00 341.77 0.37 02:50:01 15.10 0.00 1.39 13.71 0.15 202.92 108760.63 03:00:14 1.67 0.00 1.63 0.04 0.00 20.86 0.74 Average: 4.28 0.07 1.52 2.70 8.02 131.61 21223.91 02:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 5203016 7311896 460040 5.66 84092 2189208 702948 7.66 653808 1946432 168 02:30:08 5267680 7377260 394704 4.85 84236 2189760 671304 7.31 606116 1947128 132 02:40:14 4973124 7186096 584516 7.19 84424 2291776 882776 9.62 816524 2049324 3164 02:50:01 4742844 7008836 760884 9.36 84556 2343928 1007128 10.97 942352 2101588 124 03:00:14 4820268 7087040 682648 8.39 84744 2344496 941536 10.26 876184 2102216 132 Average: 5001386 7194226 576558 7.09 84410 2271834 841138 9.16 778997 2029338 744 02:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 30.03 28.68 484.49 1.89 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 80.15 74.80 1250.01 4.91 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 27.99 26.30 425.01 1.79 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 32.06 30.61 491.50 2.09 0.00 0.00 0.00 0.00 03:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:14 ens3 11.68 11.08 172.50 0.79 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 36.39 34.30 564.84 2.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7271) 04/24/26 _x86_64_ (2 CPU) 02:00:31 LINUX RESTART (2 CPU) 02:10:05 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 0.76 0.00 0.32 0.02 0.05 98.85 02:20:01 0 0.83 0.00 0.39 0.02 0.06 98.71 02:20:01 1 0.68 0.00 0.25 0.02 0.05 99.00 02:30:08 all 1.12 0.00 0.68 0.01 0.06 98.13 02:30:08 0 1.52 0.00 0.97 0.00 0.07 97.43 02:30:08 1 0.71 0.00 0.39 0.01 0.06 98.83 02:40:14 all 0.80 0.00 0.23 0.01 0.05 98.91 02:40:14 0 1.01 0.00 0.32 0.01 0.06 98.60 02:40:14 1 0.59 0.00 0.14 0.02 0.03 99.22 02:50:01 all 0.74 0.00 0.29 0.14 0.06 98.78 02:50:01 0 0.84 0.00 0.37 0.03 0.06 98.69 02:50:01 1 0.63 0.00 0.20 0.24 0.05 98.87 03:00:14 all 0.53 0.00 0.28 0.01 0.06 99.13 03:00:14 0 0.53 0.00 0.28 0.01 0.06 99.12 03:00:14 1 0.53 0.00 0.28 0.00 0.06 99.13 Average: all 0.79 0.00 0.36 0.04 0.06 98.76 Average: 0 0.95 0.00 0.46 0.01 0.06 98.51 Average: 1 0.63 0.00 0.25 0.06 0.05 99.01