---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-493 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 769 5013 4 2452 7172 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:62:c0:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81734sec preferred_lft 81734sec inet6 fe80::f816:3eff:fe62:c086/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-493) 07/30/26 _x86_64_ (2 CPU) 01:46:11 LINUX RESTART (2 CPU) 01:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 2.09 0.29 1.78 0.02 33.56 81.66 454.27 02:10:10 1.41 0.01 1.39 0.01 0.05 16.92 0.96 02:20:17 1.30 0.00 1.29 0.02 0.01 15.34 1.08 02:30:00 1.55 0.00 1.52 0.03 0.00 18.66 896.35 02:40:00 1.32 0.00 1.30 0.02 0.00 15.58 1.20 02:50:01 15.90 1.44 13.63 0.83 105.97 2304.33 200.76 03:00:01 12.58 1.42 9.57 1.59 119.65 1586.31 792.92 Average: 5.18 0.45 4.37 0.36 37.08 580.34 331.24 01:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6234940 7508632 311300 3.83 30800 1448200 728644 7.94 458784 1201120 124 02:10:10 6234700 7508960 310952 3.82 31040 1448532 728708 7.94 458936 1201680 184 02:20:17 6250324 7525168 294716 3.62 31244 1448892 728764 7.94 459060 1202256 140 02:30:00 6251344 7526720 293092 3.60 31456 1449184 728948 7.94 459448 1202760 32 02:40:00 6250588 7526492 293344 3.61 31648 1449516 729704 7.95 460992 1203284 44 02:50:01 5360888 7334420 446084 5.49 70304 2074868 894696 9.74 654416 1852212 51120 03:00:01 5061048 7354256 392628 4.83 87652 2362460 870940 9.49 629376 2126604 480 Average: 5949119 7469235 334588 4.11 44878 1668807 772915 8.42 511573 1427131 7446 01:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.89 0.24 3.40 0.03 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 0.35 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 0.27 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.49 0.14 0.18 0.11 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 6.21 3.85 4.15 3.25 0.00 0.00 0.00 0.00 02:50:01 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 35.95 24.61 275.84 10.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 03:00:01 ens3 53.50 43.34 140.53 10.03 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.04 10.39 60.99 3.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-493) 07/30/26 _x86_64_ (2 CPU) 01:46:11 LINUX RESTART (2 CPU) 01:50:24 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.42 0.00 0.19 0.03 0.03 99.33 02:00:00 0 0.34 0.00 0.21 0.04 0.03 99.37 02:00:00 1 0.49 0.00 0.17 0.02 0.03 99.29 02:10:10 all 0.27 0.00 0.08 0.01 0.03 99.61 02:10:10 0 0.40 0.00 0.06 0.00 0.02 99.51 02:10:10 1 0.13 0.00 0.10 0.02 0.04 99.72 02:20:17 all 0.27 0.00 0.07 5.77 0.04 93.85 02:20:17 0 0.15 0.00 0.08 4.40 0.04 95.33 02:20:17 1 0.39 0.00 0.06 7.14 0.04 92.37 02:30:00 all 0.32 0.00 0.17 0.01 0.03 99.47 02:30:00 0 0.34 0.00 0.15 0.02 0.03 99.46 02:30:00 1 0.30 0.00 0.19 0.01 0.04 99.47 02:40:00 all 0.39 0.00 0.10 0.14 0.03 99.34 02:40:00 0 0.33 0.00 0.09 0.07 0.04 99.47 02:40:00 1 0.44 0.00 0.10 0.22 0.03 99.21 02:50:01 all 5.89 0.00 0.85 0.50 0.04 92.71 02:50:01 0 2.90 0.00 0.68 0.36 0.04 96.01 02:50:01 1 8.89 0.00 1.03 0.65 0.04 89.40 03:00:01 all 12.19 0.00 1.27 0.34 0.06 86.14 03:00:01 0 9.37 0.00 1.36 0.33 0.06 88.88 03:00:01 1 15.01 0.00 1.18 0.35 0.06 83.39 Average: all 2.83 0.00 0.39 0.99 0.04 95.75 Average: 0 1.98 0.00 0.38 0.76 0.04 96.84 Average: 1 3.68 0.00 0.41 1.22 0.04 94.65