---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34434 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: 5600.00 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 772 5191 4 2270 7169 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:8c:f4:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82199sec preferred_lft 82199sec inet6 fe80::f816:3eff:fe8c:f4ce/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-34434) 07/10/26 _x86_64_ (2 CPU) 01:57:56 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:08 1.28 0.02 1.26 0.00 1.23 15.29 0.12 02:20:08 1.31 0.01 1.30 0.00 0.07 15.04 0.12 02:30:03 1.41 0.00 1.39 0.02 0.00 17.07 878.14 02:40:08 1.68 0.25 1.42 0.01 30.75 73.88 0.17 02:50:08 1.33 0.00 1.33 0.00 0.00 15.91 0.01 03:00:08 1.66 0.00 1.65 0.01 0.00 19.76 871.03 Average: 1.45 0.05 1.39 0.01 5.37 26.20 289.95 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:08 6281248 7528692 291816 3.59 30536 1422564 525364 5.72 452816 1183224 148 02:20:08 6288332 7536288 284212 3.49 30712 1422896 525364 5.72 452784 1183732 168 02:30:03 6280004 7528472 292040 3.59 30892 1423220 525564 5.72 453008 1184236 172 02:40:08 6243312 7518968 301080 3.70 31248 1449692 724980 7.90 467492 1202292 260 02:50:08 6250648 7526836 293188 3.61 31432 1450032 724980 7.90 467860 1202816 216 03:00:08 6262140 7539024 280864 3.45 31632 1450488 725112 7.90 468924 1203352 204 Average: 6267614 7529713 290533 3.57 31075 1436482 625227 6.81 460481 1193275 195 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 1.95 0.04 0.20 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.43 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.37 0.09 0.18 0.02 0.00 0.00 0.00 0.00 02:40:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 1.03 0.49 3.26 0.08 0.00 0.00 0.00 0.00 02:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.40 0.10 0.13 0.08 0.00 0.00 0.00 0.00 03:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 0.52 0.26 0.16 0.53 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 0.79 0.17 0.66 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34434) 07/10/26 _x86_64_ (2 CPU) 01:57:56 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:08 all 0.28 0.00 0.08 0.03 0.03 99.57 02:10:08 0 0.08 0.00 0.10 0.03 0.03 99.77 02:10:08 1 0.49 0.00 0.07 0.03 0.03 99.38 02:20:08 all 0.24 0.00 0.07 0.41 0.02 99.25 02:20:08 0 0.10 0.00 0.08 0.55 0.02 99.25 02:20:08 1 0.39 0.00 0.07 0.27 0.02 99.26 02:30:03 all 0.28 0.00 0.18 0.02 0.02 99.49 02:30:03 0 0.21 0.00 0.20 0.01 0.03 99.55 02:30:03 1 0.35 0.00 0.16 0.04 0.02 99.42 02:40:08 all 0.39 0.00 0.11 0.06 0.03 99.41 02:40:08 0 0.25 0.00 0.11 0.04 0.03 99.58 02:40:08 1 0.53 0.00 0.12 0.08 0.02 99.24 02:50:08 all 0.28 0.00 0.08 0.01 0.02 99.60 02:50:08 0 0.30 0.00 0.06 0.01 0.02 99.61 02:50:08 1 0.26 0.00 0.11 0.02 0.03 99.59 03:00:08 all 0.30 0.00 0.18 0.04 0.02 99.46 03:00:08 0 0.18 0.00 0.18 0.07 0.02 99.55 03:00:08 1 0.42 0.00 0.19 0.01 0.02 99.37 Average: all 0.30 0.00 0.12 0.10 0.02 99.46 Average: 0 0.19 0.00 0.12 0.12 0.03 99.55 Average: 1 0.41 0.00 0.12 0.08 0.02 99.38