---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15915 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 807 5127 4 2296 7134 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:7c:a8:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83297sec preferred_lft 83297sec inet6 fe80::f816:3eff:fe7c:a822/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15915) 05/17/26 _x86_64_ (2 CPU) 00:16:24 LINUX RESTART (2 CPU) 00:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 2.19 0.29 1.88 0.02 33.73 79.03 442.05 00:40:09 22.12 2.98 16.94 2.20 224.89 3121.97 1628.51 00:50:08 1.42 0.01 1.40 0.01 0.68 86.72 0.91 01:00:01 1.52 0.00 1.50 0.02 0.00 101.59 0.23 Average: 6.89 0.83 5.49 0.57 65.64 859.41 523.29 00:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6231192 7509196 310572 3.82 30844 1452628 520796 5.67 455332 1204404 148 00:40:09 5303512 7423896 347336 4.27 84416 2200088 582964 6.35 579632 1959880 124 00:50:08 5226252 7367528 403776 4.96 84568 2220852 673496 7.34 635288 1980796 156 01:00:01 5186640 7353048 418012 5.14 84704 2245696 704804 7.68 642108 2005776 128 Average: 5486899 7413417 369924 4.55 71133 2029816 620515 6.76 578090 1787714 139 00:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.35 0.28 3.29 0.07 0.00 0.00 0.00 0.00 00:40:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:09 ens3 101.39 68.77 306.49 17.16 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 32.44 29.61 14.31 3.36 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 53.70 52.20 26.40 5.52 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 47.53 37.90 88.79 6.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15915) 05/17/26 _x86_64_ (2 CPU) 00:16:24 LINUX RESTART (2 CPU) 00:20:10 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.42 0.00 0.20 0.03 0.04 99.31 00:30:01 0 0.41 0.00 0.20 0.03 0.04 99.32 00:30:01 1 0.42 0.00 0.21 0.02 0.04 99.31 00:40:09 all 10.61 0.00 1.65 0.53 0.06 87.15 00:40:09 0 8.05 0.00 1.50 0.49 0.05 89.91 00:40:09 1 13.17 0.00 1.81 0.57 0.06 84.39 00:50:08 all 6.76 0.00 0.80 0.01 0.09 92.34 00:50:08 0 4.30 0.00 0.48 0.01 0.08 95.13 00:50:08 1 9.22 0.00 1.13 0.01 0.09 89.55 01:00:01 all 5.86 0.00 0.71 0.01 0.10 93.32 01:00:01 0 6.49 0.00 0.83 0.01 0.10 92.55 01:00:01 1 5.23 0.00 0.58 0.01 0.10 94.08 Average: all 5.94 0.00 0.85 0.15 0.07 92.99 Average: 0 4.83 0.00 0.76 0.14 0.07 94.20 Average: 1 7.05 0.00 0.94 0.16 0.07 91.78