---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26755 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 789 5128 4 2324 7152 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:a7:89:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81537sec preferred_lft 81537sec inet6 fe80::f816:3eff:fea7:893e/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-26755) 06/12/26 _x86_64_ (2 CPU) 00:42:04 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.56 0.01 1.54 0.01 0.05 18.60 436.18 01:10:20 1.80 0.24 1.54 0.02 30.04 19.81 1.27 01:20:01 16.02 13.97 1.98 0.07 155.91 45.13 7.70 01:30:01 1.52 0.00 1.49 0.03 0.00 18.16 433.56 01:40:05 1.77 0.40 1.36 0.02 15.68 47.32 1.19 01:50:00 36.67 2.63 18.14 15.90 213.56 3483.38 108796.63 02:00:01 1.51 0.00 1.49 0.02 0.00 24.26 0.31 Average: 8.58 2.40 3.91 2.28 58.50 517.60 15520.43 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6283680 7534748 285556 3.51 30764 1426148 522780 5.69 447812 1187636 124 01:10:20 6265092 7526460 293644 3.61 31100 1435992 578768 6.30 461932 1189052 160 01:20:01 6205100 7523628 287324 3.53 35308 1480588 578768 6.30 462904 1237248 124 01:30:01 6205892 7525024 285784 3.51 35536 1480912 578896 6.31 462684 1237800 240 01:40:05 6181612 7515944 294508 3.62 35868 1495700 596972 6.50 488400 1251264 288 01:50:00 5090032 7339456 418364 5.14 90644 2310920 711212 7.75 628096 2077196 188 02:00:01 5053688 7305168 452600 5.57 90808 2312812 734060 8.00 642672 2079256 240 Average: 5897871 7467204 331111 4.07 50004 1706153 614494 6.69 513500 1465636 195 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.63 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 1.31 0.16 7.30 0.11 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.66 0.09 0.96 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 11.72 5.54 20.03 3.30 0.00 0.00 0.00 0.00 01:50:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 61.40 44.33 315.38 9.26 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.27 11.62 107.14 1.07 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.69 8.78 64.07 1.97 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26755) 06/12/26 _x86_64_ (2 CPU) 00:42:04 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.15 0.01 0.03 99.52 01:00:01 0 0.29 0.00 0.15 0.01 0.03 99.53 01:00:01 1 0.29 0.00 0.16 0.01 0.04 99.51 01:10:20 all 0.35 0.00 0.08 0.02 0.03 99.51 01:10:20 0 0.27 0.00 0.10 0.01 0.04 99.58 01:10:20 1 0.44 0.00 0.06 0.02 0.03 99.44 01:20:01 all 0.25 0.18 0.14 0.13 0.03 99.26 01:20:01 0 0.05 0.25 0.17 0.16 0.04 99.32 01:20:01 1 0.45 0.11 0.11 0.10 0.03 99.19 01:30:01 all 0.25 0.00 0.15 0.02 0.03 99.55 01:30:01 0 0.13 0.00 0.15 0.01 0.04 99.68 01:30:01 1 0.37 0.00 0.15 0.03 0.03 99.42 01:40:05 all 0.49 0.00 0.10 0.01 0.03 99.37 01:40:05 0 0.71 0.00 0.06 0.01 0.02 99.20 01:40:05 1 0.26 0.00 0.14 0.01 0.04 99.54 01:50:00 all 11.69 0.00 1.74 0.50 0.07 86.00 01:50:00 0 11.74 0.00 1.84 0.60 0.08 85.74 01:50:00 1 11.64 0.00 1.65 0.39 0.06 86.26 02:00:01 all 0.85 0.00 0.28 0.01 0.07 98.79 02:00:01 0 1.03 0.00 0.26 0.00 0.07 98.64 02:00:01 1 0.68 0.00 0.29 0.01 0.07 98.95 Average: all 2.01 0.03 0.38 0.10 0.04 97.45 Average: 0 2.01 0.03 0.39 0.11 0.04 97.41 Average: 1 2.00 0.02 0.36 0.08 0.04 97.49