---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39263 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 8.1G 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 749 5021 4 2472 7192 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:24:e0:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82030sec preferred_lft 82030sec inet6 fe80::f816:3eff:fe24:e091/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39263) 07/27/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:39 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.10 0.30 1.77 0.03 34.41 83.05 233.75 02:10:39 1.47 0.01 1.45 0.01 1.04 17.37 0.39 02:20:39 1.35 0.00 1.34 0.00 0.01 15.92 0.00 02:30:01 1.55 0.00 1.54 0.01 0.00 18.52 0.30 02:40:39 1.46 0.00 1.45 0.00 0.00 17.72 0.03 02:50:09 1.90 0.42 1.48 0.00 16.66 51.39 0.08 03:00:01 27.10 2.50 21.50 3.09 212.77 3821.90 1859.46 Average: 5.25 0.46 4.35 0.45 37.38 572.50 296.37 01:50:39 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6235264 7509320 310468 3.82 30760 1448596 729368 7.94 462296 1201072 128 02:10:39 6250188 7525108 294652 3.62 30968 1449236 529020 5.76 457120 1201608 124 02:20:39 6256768 7532172 287608 3.54 31132 1449560 529108 5.76 457396 1202088 148 02:30:01 6255360 7531304 288404 3.55 31304 1449896 529284 5.76 457576 1202600 280 02:40:39 6260376 7536864 282768 3.48 31508 1450236 584488 6.37 463128 1203136 156 02:50:09 6235524 7527336 292140 3.59 31824 1465052 543896 5.92 482160 1216636 352 03:00:01 5143940 7359076 407192 5.01 89152 2285644 662352 7.21 649064 2050344 26140 Average: 6091060 7503026 309033 3.80 39521 1571174 586788 6.39 489820 1325355 3904 01:50:39 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.54 0.53 3.68 0.10 0.00 0.00 0.00 0.00 02:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:39 ens3 0.33 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:20:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:39 ens3 0.34 0.05 0.48 0.04 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.32 0.04 1.19 0.02 0.00 0.00 0.00 0.00 02:40:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:39 ens3 0.34 0.16 0.10 0.43 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 9.51 5.70 21.05 2.88 0.00 0.00 0.00 0.00 03:00:01 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 80.92 54.41 317.06 13.97 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.23 8.64 48.77 2.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39263) 07/27/26 _x86_64_ (2 CPU) 01:47:57 LINUX RESTART (2 CPU) 01:50:39 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.44 0.00 0.19 0.07 0.03 99.27 02:00:01 0 0.41 0.00 0.17 0.07 0.02 99.32 02:00:01 1 0.46 0.00 0.21 0.07 0.04 99.22 02:10:39 all 0.26 0.00 0.07 0.01 0.03 99.63 02:10:39 0 0.05 0.00 0.08 0.02 0.03 99.82 02:10:39 1 0.46 0.00 0.06 0.00 0.02 99.44 02:20:39 all 0.24 0.00 0.08 0.03 0.03 99.63 02:20:39 0 0.20 0.00 0.09 0.01 0.03 99.67 02:20:39 1 0.29 0.00 0.07 0.04 0.02 99.58 02:30:01 all 0.27 0.00 0.17 0.02 0.02 99.52 02:30:01 0 0.08 0.00 0.19 0.02 0.03 99.68 02:30:01 1 0.45 0.00 0.16 0.01 0.02 99.36 02:40:39 all 0.28 0.00 0.07 0.35 0.02 99.27 02:40:39 0 0.23 0.00 0.08 0.68 0.03 98.99 02:40:39 1 0.33 0.00 0.07 0.02 0.02 99.56 02:50:09 all 0.55 0.00 0.11 0.20 0.02 99.12 02:50:09 0 0.63 0.00 0.08 0.15 0.02 99.12 02:50:09 1 0.47 0.00 0.13 0.26 0.03 99.11 03:00:01 all 15.05 0.00 2.20 5.91 0.06 76.78 03:00:01 0 15.37 0.00 2.24 7.87 0.06 74.45 03:00:01 1 14.72 0.00 2.16 3.96 0.05 79.11 Average: all 2.42 0.00 0.41 0.94 0.03 96.20 Average: 0 2.41 0.00 0.42 1.26 0.03 95.89 Average: 1 2.44 0.00 0.40 0.62 0.03 96.51