---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4713 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 742 5300 4 2187 7199 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:11:66:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81911sec preferred_lft 81911sec inet6 fe80::f816:3eff:fe11:6654/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4713) 04/20/26 _x86_64_ (2 CPU) 00:43:17 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.01 0.33 1.65 0.03 40.26 75.72 656.06 01:10:03 1.16 0.00 1.14 0.02 0.00 14.36 1.20 01:20:04 1.21 0.00 1.19 0.02 0.01 14.79 1.20 01:30:01 1.45 0.00 1.42 0.03 0.00 17.98 657.41 01:40:07 1.47 0.00 1.45 0.02 0.00 17.61 0.37 01:50:07 14.58 0.40 1.61 12.57 15.96 51.06 109266.90 Average: 3.65 0.12 1.41 2.11 9.34 31.87 18420.64 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6246684 7526004 293596 3.61 30900 1453648 530588 5.78 456692 1204312 132 01:10:03 6262072 7541928 277684 3.41 31100 1453980 530800 5.78 456940 1204844 240 01:20:04 6261596 7542000 277604 3.41 31304 1454316 530800 5.78 457268 1205384 196 01:30:01 6253904 7534836 284756 3.50 31500 1454636 530800 5.78 457256 1205900 240 01:40:07 6253400 7535032 284488 3.50 31724 1455104 586028 6.38 463216 1206460 180 01:50:07 6201100 7504652 314648 3.87 32100 1476240 574772 6.26 501320 1226516 6992 Average: 6246459 7530742 288796 3.55 31438 1457987 547298 5.96 465449 1208903 1330 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.07 0.23 3.16 0.05 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.45 0.09 0.09 0.04 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.43 0.10 0.11 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 0.32 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.55 0.25 0.15 0.58 0.00 0.00 0.00 0.00 01:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 12.98 6.82 35.00 2.73 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 2.63 1.26 6.43 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4713) 04/20/26 _x86_64_ (2 CPU) 00:43:17 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.38 0.00 0.19 0.02 0.04 99.37 01:00:01 0 0.45 0.00 0.18 0.01 0.03 99.32 01:00:01 1 0.31 0.00 0.21 0.03 0.04 99.42 01:10:03 all 0.25 0.00 0.07 0.01 0.03 99.64 01:10:03 0 0.31 0.00 0.05 0.00 0.03 99.61 01:10:03 1 0.18 0.00 0.08 0.02 0.04 99.68 01:20:04 all 0.24 0.00 0.07 0.01 0.03 99.65 01:20:04 0 0.06 0.00 0.08 0.01 0.04 99.81 01:20:04 1 0.42 0.00 0.05 0.00 0.03 99.49 01:30:01 all 0.26 0.00 0.16 0.01 0.04 99.54 01:30:01 0 0.08 0.00 0.19 0.00 0.04 99.69 01:30:01 1 0.43 0.00 0.14 0.01 0.04 99.38 01:40:07 all 0.26 0.00 0.08 0.01 0.03 99.62 01:40:07 0 0.20 0.00 0.08 0.01 0.03 99.68 01:40:07 1 0.33 0.00 0.07 0.01 0.03 99.56 01:50:07 all 0.49 0.00 0.11 0.04 0.03 99.33 01:50:07 0 0.28 0.00 0.15 0.05 0.04 99.49 01:50:07 1 0.70 0.00 0.08 0.03 0.02 99.17 Average: all 0.31 0.00 0.11 0.02 0.03 99.53 Average: 0 0.23 0.00 0.12 0.02 0.03 99.60 Average: 1 0.40 0.00 0.10 0.02 0.03 99.45