---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66144 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 770 5274 4 2185 7171 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:19:2a:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82148sec preferred_lft 82148sec inet6 fe80::f816:3eff:fe19:2a3f/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-66144) 04/03/26 _x86_64_ (2 CPU) 01:53:32 LINUX RESTART (2 CPU) 02:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.31 0.01 1.30 0.01 0.05 15.31 0.36 02:20:21 1.38 0.00 1.37 0.02 0.01 16.08 1.16 02:30:21 2.20 0.32 1.85 0.03 39.01 76.24 871.60 02:40:01 1.30 0.00 1.30 0.00 0.00 15.23 0.00 02:50:21 1.51 0.02 1.49 0.00 2.08 17.97 0.04 03:00:13 23.01 3.04 17.69 2.28 228.68 3178.38 754.73 Average: 5.06 0.56 4.12 0.38 44.35 544.74 268.90 02:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6254200 7504656 315640 3.88 30720 1425576 536104 5.84 454160 1187396 124 02:20:21 6268368 7519384 300928 3.70 30940 1425912 536244 5.84 454292 1187952 124 02:30:21 6224304 7504108 315540 3.88 31340 1453884 734168 8.00 471372 1205256 140 02:40:01 6223828 7504112 315532 3.88 31492 1454204 734220 8.00 471876 1205732 160 02:50:21 6229484 7511056 308540 3.79 31668 1455312 734392 8.00 472752 1206320 124 03:00:13 5324924 7436372 335004 4.12 85212 2190528 763640 8.32 566212 1950092 2368 Average: 6087518 7496615 315197 3.88 40229 1567569 673128 7.33 481777 1323791 507 02:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.46 0.04 0.06 0.02 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.27 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:21 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:21 ens3 0.47 0.21 3.05 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.37 0.08 0.11 0.06 0.00 0.00 0.00 0.00 02:50:21 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:21 ens3 0.58 0.25 0.18 0.51 0.00 0.00 0.00 0.00 03:00:13 lo 1.31 1.31 0.09 0.09 0.00 0.00 0.00 0.00 03:00:13 ens3 55.22 40.42 301.15 10.80 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 9.42 6.73 49.96 1.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66144) 04/03/26 _x86_64_ (2 CPU) 01:53:32 LINUX RESTART (2 CPU) 02:00:03 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.23 0.00 0.07 0.01 0.04 99.65 02:10:01 0 0.05 0.00 0.08 0.00 0.04 99.82 02:10:01 1 0.41 0.00 0.05 0.02 0.03 99.49 02:20:21 all 0.25 0.00 0.07 0.02 0.03 99.62 02:20:21 0 0.05 0.00 0.08 0.03 0.04 99.80 02:20:21 1 0.45 0.00 0.06 0.02 0.03 99.45 02:30:21 all 0.44 0.00 0.21 0.10 0.02 99.23 02:30:21 0 0.32 0.00 0.21 0.07 0.03 99.38 02:30:21 1 0.56 0.00 0.21 0.14 0.02 99.07 02:40:01 all 0.25 0.00 0.08 0.03 0.02 99.62 02:40:01 0 0.07 0.00 0.09 0.06 0.03 99.76 02:40:01 1 0.42 0.00 0.06 0.00 0.02 99.49 02:50:21 all 0.34 0.00 0.08 0.01 0.03 99.54 02:50:21 0 0.26 0.00 0.09 0.01 0.03 99.61 02:50:21 1 0.42 0.00 0.08 0.00 0.02 99.47 03:00:13 all 10.72 0.00 1.72 2.93 0.05 84.58 03:00:13 0 13.61 0.00 1.84 3.05 0.04 81.46 03:00:13 1 7.82 0.00 1.61 2.82 0.05 87.70 Average: all 2.01 0.00 0.37 0.51 0.03 97.08 Average: 0 2.36 0.00 0.39 0.53 0.03 96.69 Average: 1 1.66 0.00 0.34 0.49 0.03 97.48