---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36507 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 750 5067 4 2425 7190 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:cb:f5:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82794sec preferred_lft 82794sec inet6 fe80::f816:3eff:fecb:f5bb/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-36507) 07/17/26 _x86_64_ (2 CPU) 00:35:41 LINUX RESTART (2 CPU) 00:40:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:29 1.77 0.04 1.70 0.04 2.01 138.53 4.05 01:00:29 1.70 0.01 1.66 0.03 0.05 25.49 1.25 01:10:29 1.38 0.00 1.35 0.03 0.00 133.02 397.11 01:20:09 30.61 14.27 2.32 14.02 188.08 126.52 110051.46 01:30:01 1.65 0.01 1.61 0.03 1.07 25.45 0.62 Average: 7.28 2.79 1.72 2.76 37.34 89.74 21560.68 00:40:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:29 5137684 7327120 439700 5.41 86164 2263120 698372 7.61 631648 2034592 200 01:00:29 5175336 7366788 399712 4.91 86340 2264956 668236 7.28 601532 2036604 124 01:10:29 5144588 7371264 395140 4.86 86544 2299908 654892 7.13 586392 2071744 168 01:20:09 4961340 7276320 480508 5.91 90092 2375928 925880 10.08 673236 2141928 268 01:30:01 5019684 7337024 419800 5.16 90232 2378096 692800 7.55 634564 2143796 128 Average: 5087726 7335703 426972 5.25 87874 2316402 728036 7.93 625474 2085733 178 00:40:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:29 ens3 18.19 15.89 224.05 1.92 0.00 0.00 0.00 0.00 01:00:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:29 ens3 8.00 7.54 61.28 0.85 0.00 0.00 0.00 0.00 01:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:29 ens3 10.20 9.30 156.71 1.09 0.00 0.00 0.00 0.00 01:20:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 14.43 13.85 150.00 1.82 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 9.31 9.07 141.71 0.90 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 12.02 11.12 146.74 1.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36507) 07/17/26 _x86_64_ (2 CPU) 00:35:41 LINUX RESTART (2 CPU) 00:40:29 CPU %user %nice %system %iowait %steal %idle 00:50:29 all 1.25 0.00 0.28 0.02 0.07 98.38 00:50:29 0 1.17 0.00 0.23 0.02 0.06 98.51 00:50:29 1 1.33 0.00 0.33 0.02 0.07 98.26 01:00:29 all 2.12 0.00 0.35 0.01 0.07 97.44 01:00:29 0 1.22 0.00 0.34 0.01 0.09 98.35 01:00:29 1 3.02 0.00 0.37 0.01 0.06 96.54 01:10:29 all 5.05 0.00 0.50 0.01 0.08 94.36 01:10:29 0 2.81 0.00 0.35 0.01 0.08 96.76 01:10:29 1 7.33 0.00 0.66 0.02 0.07 91.91 01:20:09 all 2.11 0.19 0.41 0.17 0.07 97.04 01:20:09 0 1.92 0.17 0.37 0.13 0.06 97.35 01:20:09 1 2.31 0.20 0.45 0.22 0.08 96.74 01:30:01 all 0.86 0.00 0.31 0.02 0.07 98.75 01:30:01 0 1.03 0.00 0.40 0.02 0.10 98.45 01:30:01 1 0.69 0.00 0.22 0.01 0.05 99.04 Average: all 2.27 0.04 0.37 0.05 0.07 97.21 Average: 0 1.63 0.03 0.34 0.04 0.08 97.89 Average: 1 2.92 0.04 0.40 0.06 0.07 96.52