---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7873 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 747 5293 4 2189 7194 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:d7:4e:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81797sec preferred_lft 81797sec inet6 fe80::f816:3eff:fed7:4e6d/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-7873) 04/25/26 _x86_64_ (2 CPU) 01:51:48 LINUX RESTART (2 CPU) 02:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.32 0.01 1.31 0.01 0.05 15.31 0.37 02:20:23 1.93 0.31 1.60 0.03 37.61 71.88 1.35 02:30:33 14.02 0.01 1.64 12.37 1.18 19.66 107336.52 02:40:01 1.35 0.00 1.35 0.00 0.00 15.92 0.00 02:50:33 1.39 0.00 1.39 0.00 0.00 16.35 0.00 03:00:02 1.62 0.00 1.60 0.02 0.00 19.42 0.27 Average: 3.65 0.06 1.48 2.11 6.74 26.81 18265.34 02:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6280136 7531288 288900 3.55 30720 1426268 528420 5.76 447588 1187484 168 02:20:23 6228468 7508676 310820 3.82 31112 1454548 740852 8.07 466040 1205092 168 02:30:33 6241192 7522340 297172 3.65 31316 1455236 528672 5.76 459472 1205644 124 02:40:01 6247784 7529536 289972 3.57 31460 1455692 529520 5.77 459860 1206116 156 02:50:33 6246932 7529200 290292 3.57 31644 1456016 529520 5.77 460092 1206624 124 03:00:02 6247484 7530280 289164 3.56 31820 1456344 529944 5.77 461080 1207128 260 Average: 6248666 7525220 294387 3.62 31345 1450684 564488 6.15 459022 1203015 167 02:00:18 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 0.56 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:23 ens3 0.52 0.21 3.00 0.03 0.00 0.00 0.00 0.00 02:30:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:33 ens3 0.54 0.06 2.04 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 0.46 0.12 0.15 0.08 0.00 0.00 0.00 0.00 02:50:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:33 ens3 0.23 0.06 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 0.47 0.24 0.19 0.74 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 0.46 0.12 0.94 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7873) 04/25/26 _x86_64_ (2 CPU) 01:51:48 LINUX RESTART (2 CPU) 02:00:18 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.09 0.01 0.02 99.60 02:10:01 0 0.26 0.00 0.10 0.02 0.02 99.60 02:10:01 1 0.30 0.00 0.08 0.00 0.02 99.60 02:20:23 all 0.38 0.00 0.12 0.20 0.04 99.26 02:20:23 0 0.35 0.00 0.14 0.36 0.06 99.08 02:20:23 1 0.40 0.00 0.09 0.05 0.02 99.44 02:30:33 all 0.29 0.00 0.19 0.16 0.02 99.34 02:30:33 0 0.22 0.00 0.21 0.23 0.02 99.32 02:30:33 1 0.35 0.00 0.18 0.08 0.02 99.36 02:40:01 all 0.30 0.00 0.08 0.06 0.02 99.54 02:40:01 0 0.36 0.00 0.08 0.06 0.02 99.48 02:40:01 1 0.25 0.00 0.07 0.06 0.02 99.60 02:50:33 all 0.26 0.00 0.09 0.05 0.02 99.58 02:50:33 0 0.35 0.00 0.08 0.00 0.01 99.55 02:50:33 1 0.18 0.00 0.10 0.10 0.02 99.61 03:00:02 all 0.32 0.00 0.19 0.01 0.02 99.46 03:00:02 0 0.32 0.00 0.19 0.01 0.02 99.46 03:00:02 1 0.33 0.00 0.19 0.01 0.02 99.45 Average: all 0.31 0.00 0.13 0.08 0.02 99.46 Average: 0 0.31 0.00 0.13 0.12 0.02 99.41 Average: 1 0.30 0.00 0.12 0.05 0.02 99.51