---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38532 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 740 5210 4 2283 7200 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:33:5e:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82148sec preferred_lft 82148sec inet6 fe80::f816:3eff:fe33:5eb8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38532) 07/25/26 _x86_64_ (2 CPU) 01:46:42 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:26 1.58 0.02 1.54 0.02 1.19 19.02 419.14 02:10:26 14.02 0.01 1.47 12.55 0.20 17.72 109168.89 02:20:01 1.38 0.00 1.36 0.02 0.01 16.45 1.14 02:30:25 2.06 0.25 1.78 0.04 30.79 77.33 629.36 02:40:25 1.39 0.00 1.37 0.02 0.00 16.49 1.09 02:50:01 1.28 0.00 1.26 0.02 0.00 15.58 1.26 Average: 3.63 0.05 1.47 2.11 5.58 27.53 18381.62 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:26 6295584 7542952 277340 3.41 30604 1422436 529800 5.77 445488 1183448 176 02:10:26 6295092 7543072 277132 3.41 30828 1422812 529800 5.77 445596 1184020 184 02:20:01 6305068 7553600 266564 3.28 31044 1423140 529984 5.77 445668 1184564 276 02:30:25 6249660 7525892 293828 3.61 31460 1450040 530008 5.77 455044 1202804 132 02:40:25 6256744 7533648 286064 3.52 31668 1450496 530100 5.77 455428 1203340 132 02:50:01 6254476 7531924 287768 3.54 31876 1450824 530260 5.78 456828 1203876 272 Average: 6276104 7538515 281449 3.46 31247 1436625 529992 5.77 450675 1193675 195 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:26 ens3 0.94 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:26 ens3 0.36 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.39 0.03 3.46 0.01 0.00 0.00 0.00 0.00 02:30:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:25 ens3 0.60 0.26 3.16 0.05 0.00 0.00 0.00 0.00 02:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:25 ens3 0.40 0.10 0.12 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.47 0.21 0.13 0.62 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 0.53 0.12 1.17 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38532) 07/25/26 _x86_64_ (2 CPU) 01:46:42 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:26 all 0.31 0.00 0.17 0.01 0.03 99.48 02:00:26 0 0.52 0.00 0.13 0.01 0.03 99.32 02:00:26 1 0.10 0.00 0.21 0.01 0.04 99.64 02:10:26 all 0.26 0.00 0.08 0.03 0.03 99.60 02:10:26 0 0.35 0.00 0.06 0.02 0.03 99.55 02:10:26 1 0.17 0.00 0.11 0.04 0.04 99.65 02:20:01 all 0.24 0.00 0.08 0.06 0.03 99.59 02:20:01 0 0.06 0.00 0.09 0.13 0.04 99.70 02:20:01 1 0.42 0.00 0.07 0.00 0.03 99.48 02:30:25 all 0.38 0.00 0.19 0.03 0.03 99.38 02:30:25 0 0.57 0.00 0.17 0.02 0.03 99.21 02:30:25 1 0.18 0.00 0.20 0.03 0.04 99.55 02:40:25 all 0.25 0.00 0.07 0.01 0.03 99.64 02:40:25 0 0.33 0.00 0.06 0.00 0.03 99.58 02:40:25 1 0.16 0.00 0.08 0.01 0.04 99.71 02:50:01 all 0.28 0.00 0.08 0.06 0.03 99.55 02:50:01 0 0.42 0.00 0.07 0.06 0.02 99.43 02:50:01 1 0.13 0.00 0.10 0.07 0.03 99.67 Average: all 0.29 0.00 0.11 0.03 0.03 99.54 Average: 0 0.38 0.00 0.10 0.04 0.03 99.46 Average: 1 0.19 0.00 0.13 0.03 0.03 99.62