---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28234 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 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 779 5110 4 2352 7161 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:8e:99:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51089sec preferred_lft 51089sec inet6 fe80::f816:3eff:fe8e:996f/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-28234) 06/19/26 _x86_64_ (2 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.82 0.02 1.79 0.01 0.81 21.09 433.21 00:20:01 1.85 0.11 1.71 0.03 3.06 23.70 743.58 00:30:02 1.87 0.00 1.85 0.02 0.00 20.67 862.07 00:40:01 24.08 3.00 18.79 2.29 226.26 3444.95 883.44 00:50:01 1.61 0.00 1.60 0.02 0.00 23.17 1.13 Average: 6.24 0.62 5.14 0.47 45.92 705.13 584.68 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6091816 7489132 319924 3.93 56068 1537376 578416 6.30 490696 1310920 356 00:20:01 6112740 7472016 336952 4.14 56204 1499132 576200 6.28 489568 1272596 124 00:30:02 6115316 7475084 333844 4.11 56336 1499492 576264 6.28 489656 1273080 356 00:40:01 5110016 7385212 371592 4.57 106740 2320064 673352 7.33 610072 2098808 228 00:50:01 5069668 7346780 410052 5.04 106820 2321936 683092 7.44 612124 2100752 276 Average: 5699911 7433645 354473 4.36 76434 1835600 617465 6.73 538423 1611231 268 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.25 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.17 0.06 0.03 0.02 0.00 0.00 0.00 0.00 00:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:02 ens3 0.54 0.14 0.21 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 65.53 47.46 316.23 11.57 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 13.08 9.95 72.36 1.11 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 15.88 11.51 77.65 2.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28234) 06/19/26 _x86_64_ (2 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.22 0.00 0.09 0.01 0.04 99.63 00:10:01 0 0.17 0.00 0.09 0.01 0.05 99.68 00:10:01 1 0.27 0.00 0.09 0.01 0.03 99.59 00:20:01 all 0.66 0.00 0.20 0.01 0.04 99.09 00:20:01 0 0.35 0.00 0.19 0.02 0.06 99.39 00:20:01 1 0.98 0.00 0.21 0.01 0.02 98.78 00:30:02 all 0.24 0.00 0.15 0.01 0.04 99.56 00:30:02 0 0.05 0.00 0.17 0.01 0.04 99.72 00:30:02 1 0.42 0.00 0.14 0.01 0.03 99.41 00:40:01 all 11.71 0.00 1.66 0.54 0.06 86.03 00:40:01 0 12.38 0.00 1.80 0.39 0.07 85.36 00:40:01 1 11.03 0.00 1.53 0.70 0.06 86.69 00:50:01 all 0.81 0.00 0.19 0.01 0.09 98.90 00:50:01 0 0.82 0.00 0.16 0.01 0.07 98.93 00:50:01 1 0.79 0.00 0.22 0.01 0.11 98.87 Average: all 2.72 0.00 0.46 0.12 0.05 96.65 Average: 0 2.75 0.00 0.48 0.09 0.06 96.63 Average: 1 2.69 0.00 0.44 0.15 0.05 96.68