---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37678 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 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 758 5194 4 2282 7183 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:ed:73:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82176sec preferred_lft 82176sec inet6 fe80::f816:3eff:feed:735f/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-37678) 07/22/26 _x86_64_ (2 CPU) 01:58:22 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:02 1.42 0.02 1.40 0.00 1.24 16.32 0.12 02:20:02 1.36 0.01 1.34 0.01 0.07 15.79 0.72 02:30:02 14.70 0.28 1.85 12.57 33.27 79.13 109616.19 02:40:02 1.40 0.01 1.39 0.00 1.05 16.17 0.05 02:50:02 1.33 0.00 1.33 0.00 0.00 15.44 0.00 03:00:02 1.53 0.00 1.52 0.01 0.00 18.25 435.70 Average: 3.62 0.05 1.47 2.10 5.94 26.85 18340.25 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:02 6288796 7535416 284872 3.50 30524 1421972 520428 5.67 442440 1183208 172 02:20:02 6295376 7542560 277732 3.42 30752 1422300 520444 5.67 442616 1183764 160 02:30:02 6232380 7507584 312144 3.84 31136 1449548 720728 7.85 457624 1202044 124 02:40:02 6239744 7515776 303960 3.74 31308 1450184 520744 5.67 452652 1202540 200 02:50:02 6255144 7531664 288100 3.54 31464 1450512 520752 5.67 452728 1203024 240 03:00:02 6239916 7517100 302604 3.72 31664 1450952 520752 5.67 454048 1203536 240 Average: 6258559 7525017 294902 3.63 31141 1440911 553975 6.03 450351 1196353 189 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 1.63 0.08 0.30 0.02 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.37 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.56 0.24 3.26 0.03 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 0.45 0.11 0.11 0.06 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.28 0.07 0.07 0.03 0.00 0.00 0.00 0.00 03:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:02 ens3 0.38 0.14 0.14 0.08 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 0.61 0.11 0.65 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37678) 07/22/26 _x86_64_ (2 CPU) 01:58:22 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:02 all 0.29 0.00 0.07 0.01 0.04 99.59 02:10:02 0 0.46 0.00 0.06 0.01 0.03 99.44 02:10:02 1 0.11 0.00 0.09 0.02 0.05 99.74 02:20:02 all 0.25 0.00 0.07 0.01 0.04 99.63 02:20:02 0 0.25 0.00 0.08 0.00 0.03 99.64 02:20:02 1 0.24 0.00 0.07 0.02 0.04 99.63 02:30:02 all 0.38 0.00 0.20 0.04 0.04 99.33 02:30:02 0 0.39 0.00 0.21 0.05 0.04 99.31 02:30:02 1 0.37 0.00 0.20 0.03 0.04 99.36 02:40:02 all 0.24 0.00 0.07 0.01 0.04 99.64 02:40:02 0 0.42 0.00 0.05 0.02 0.03 99.48 02:40:02 1 0.06 0.00 0.09 0.00 0.05 99.80 02:50:02 all 0.21 0.00 0.08 0.03 0.04 99.65 02:50:02 0 0.27 0.00 0.07 0.02 0.03 99.61 02:50:02 1 0.15 0.00 0.09 0.03 0.04 99.69 03:00:02 all 0.29 0.00 0.17 0.01 0.03 99.50 03:00:02 0 0.33 0.00 0.15 0.01 0.03 99.48 03:00:02 1 0.25 0.00 0.18 0.01 0.03 99.53 Average: all 0.28 0.00 0.11 0.02 0.04 99.56 Average: 0 0.36 0.00 0.10 0.02 0.03 99.49 Average: 1 0.20 0.00 0.12 0.02 0.04 99.62