---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34960 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 7.9G 30G 21% / 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 754 5210 4 2268 7187 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:dc:b4:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83144sec preferred_lft 83144sec inet6 fe80::f816:3eff:fedc:b4e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34960) 07/12/26 _x86_64_ (2 CPU) 00:16:17 LINUX RESTART (2 CPU) 00:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.92 0.28 1.61 0.03 32.33 77.38 219.04 00:40:03 22.50 2.85 17.36 2.29 225.55 3455.51 572.81 00:50:03 1.36 0.00 1.35 0.01 0.00 15.98 0.84 01:00:01 1.61 0.00 1.59 0.02 0.00 19.59 0.23 01:10:04 5.04 0.08 3.78 1.18 5.87 198.54 2006.22 Average: 6.50 0.64 5.15 0.71 52.86 755.40 561.51 00:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6249648 7522928 297568 3.66 30788 1447816 726396 7.91 459616 1200860 124 00:40:03 5216328 7418808 348924 4.29 85980 2276708 622044 6.78 589420 2039212 204 00:50:03 5213316 7416248 351524 4.32 86116 2277060 622220 6.78 589732 2039700 176 01:00:01 5202244 7405656 362100 4.45 86248 2277408 622216 6.78 589744 2040180 124 01:10:04 5337092 7362240 414796 5.10 88816 2104864 660676 7.20 654748 1868656 20352 Average: 5443726 7425176 354982 4.36 75590 2076771 650710 7.09 576652 1837722 4196 00:20:03 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 2.70 0.60 3.50 0.10 0.00 0.00 0.00 0.00 00:40:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 66.59 43.63 319.57 10.94 0.00 0.00 0.00 0.00 00:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 1.71 0.37 0.64 0.13 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 0.67 0.23 0.11 0.05 0.00 0.00 0.00 0.00 01:10:04 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 01:10:04 ens3 8.72 5.27 12.92 2.78 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.12 10.05 67.53 2.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34960) 07/12/26 _x86_64_ (2 CPU) 00:16:17 LINUX RESTART (2 CPU) 00:20:03 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.42 0.00 0.20 0.02 0.04 99.33 00:30:01 0 0.33 0.00 0.24 0.03 0.04 99.36 00:30:01 1 0.50 0.00 0.16 0.01 0.03 99.29 00:40:03 all 11.61 0.00 1.66 0.51 0.05 86.18 00:40:03 0 14.16 0.00 1.83 0.43 0.05 83.53 00:40:03 1 9.05 0.00 1.48 0.58 0.05 88.84 00:50:03 all 0.34 0.00 0.12 0.01 0.06 99.48 00:50:03 0 0.32 0.00 0.12 0.01 0.05 99.50 00:50:03 1 0.36 0.00 0.12 0.00 0.07 99.45 01:00:01 all 0.37 0.00 0.22 0.01 0.06 99.34 01:00:01 0 0.40 0.00 0.20 0.01 0.05 99.34 01:00:01 1 0.35 0.00 0.24 0.01 0.07 99.34 01:10:04 all 3.40 0.00 0.40 0.07 0.06 96.06 01:10:04 0 1.94 0.00 0.32 0.03 0.07 97.64 01:10:04 1 4.87 0.00 0.48 0.12 0.04 94.48 Average: all 3.24 0.00 0.52 0.12 0.05 96.07 Average: 0 3.44 0.00 0.54 0.10 0.05 95.86 Average: 1 3.03 0.00 0.50 0.14 0.05 96.27