---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39483 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 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 738 5215 4 2280 7203 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:03:64:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82292sec preferred_lft 82292sec inet6 fe80::f816:3eff:fe03:6431/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39483) 07/28/26 _x86_64_ (2 CPU) 00:39:58 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 9.25 4.25 4.90 0.10 457.36 5535.08 225.41 01:00:18 1.46 0.01 1.43 0.02 0.05 17.68 643.66 01:10:18 13.85 0.00 1.30 12.55 0.15 15.69 109180.25 01:20:18 1.17 0.00 1.15 0.02 0.01 14.13 1.20 01:30:18 1.52 0.00 1.49 0.03 0.00 18.49 655.10 01:40:01 1.89 0.26 1.59 0.03 32.98 78.07 1.35 Average: 4.87 0.76 1.99 2.12 82.65 958.90 18447.84 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 6295684 7542148 278340 3.42 30504 1421644 529700 5.77 437560 1183264 132 01:00:18 6299980 7546976 273668 3.37 30688 1421980 529832 5.77 437760 1183780 168 01:10:18 6286492 7534064 286544 3.52 30888 1422344 529832 5.77 446228 1184320 148 01:20:18 6286000 7534092 286508 3.52 31076 1422668 529916 5.77 446664 1184832 172 01:30:18 6284244 7532900 287692 3.54 31300 1423008 529988 5.77 446764 1185384 172 01:40:01 6251396 7527716 292384 3.60 31668 1449968 530288 5.78 456248 1203552 168 Average: 6283966 7536316 284189 3.49 31021 1426935 529926 5.77 445204 1187522 160 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 00:50:08 ens3 17.23 7.50 66.70 1.88 0.00 0.00 0.00 0.00 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.68 0.13 0.22 0.04 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 0.36 0.06 0.18 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.43 0.10 0.15 0.06 0.00 0.00 0.00 0.00 01:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 0.31 0.21 0.06 0.56 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.62 0.27 3.40 0.09 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 3.31 1.39 11.92 0.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39483) 07/28/26 _x86_64_ (2 CPU) 00:39:58 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 0.98 0.00 0.79 0.24 0.03 97.97 00:50:08 0 0.84 0.00 0.79 0.17 0.03 98.17 00:50:08 1 1.13 0.00 0.78 0.30 0.03 97.77 01:00:18 all 0.28 0.00 0.17 0.01 0.02 99.52 01:00:18 0 0.09 0.00 0.18 0.01 0.02 99.68 01:00:18 1 0.47 0.00 0.15 0.01 0.01 99.35 01:10:18 all 0.27 0.00 0.08 0.03 0.02 99.60 01:10:18 0 0.12 0.00 0.08 0.02 0.02 99.77 01:10:18 1 0.42 0.00 0.09 0.05 0.02 99.43 01:20:18 all 0.26 0.00 0.07 0.01 0.02 99.64 01:20:18 0 0.16 0.00 0.09 0.01 0.03 99.72 01:20:18 1 0.37 0.00 0.06 0.01 0.02 99.55 01:30:18 all 0.28 0.00 0.15 0.01 0.02 99.54 01:30:18 0 0.48 0.00 0.13 0.01 0.02 99.37 01:30:18 1 0.08 0.00 0.17 0.02 0.03 99.71 01:40:01 all 0.35 0.00 0.10 0.07 0.02 99.45 01:40:01 0 0.15 0.00 0.09 0.01 0.02 99.73 01:40:01 1 0.56 0.00 0.11 0.14 0.02 99.18 Average: all 0.41 0.00 0.23 0.06 0.02 99.28 Average: 0 0.31 0.00 0.23 0.04 0.02 99.40 Average: 1 0.50 0.00 0.23 0.09 0.02 99.16