---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36809 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: 5599.94 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 22% / 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 762 5132 4 2348 7179 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:e7:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82180sec preferred_lft 82180sec inet6 fe80::f816:3eff:fe33:e7f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36809) 07/18/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.34 0.03 1.31 0.00 1.26 15.64 0.12 02:20:47 1.34 0.01 1.32 0.01 0.06 15.53 0.89 02:30:17 16.42 14.25 2.09 0.08 159.07 47.28 928.12 02:40:01 1.92 0.26 1.63 0.03 31.85 78.17 1.29 02:50:47 1.42 0.00 1.40 0.02 0.98 16.55 1.39 03:00:07 1.82 0.07 1.72 0.03 3.69 23.81 927.94 Average: 3.92 2.32 1.57 0.03 31.35 32.22 292.27 02:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6283900 7530464 289944 3.57 30524 1421952 527296 5.74 446304 1183136 124 02:20:47 6282392 7529560 290820 3.58 30760 1422308 527328 5.74 446496 1183728 152 02:30:17 6207548 7511856 299368 3.68 34936 1466928 527352 5.74 447208 1231916 176 02:40:01 6164628 7496252 314420 3.87 35336 1493468 735852 8.01 461780 1250092 124 02:50:47 6165060 7497592 313076 3.85 35556 1494144 527600 5.75 456792 1250676 120 03:00:07 6163572 7498564 311904 3.84 35824 1496420 530720 5.78 461296 1252500 156 Average: 6211183 7510715 303255 3.73 33823 1465870 562691 6.13 453313 1225341 142 02:00:11 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 1.28 0.10 0.21 0.02 0.00 0.00 0.00 0.00 02:20:47 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:47 ens3 0.38 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:17 ens3 0.48 0.06 1.13 0.04 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 1.10 0.30 4.19 0.08 0.00 0.00 0.00 0.00 02:50:47 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:47 ens3 0.36 0.10 0.11 0.06 0.00 0.00 0.00 0.00 03:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:07 ens3 1.35 0.75 2.34 0.98 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 0.81 0.22 1.29 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36809) 07/18/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:11 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.25 0.00 0.08 0.01 0.03 99.64 02:10:01 0 0.11 0.00 0.07 0.01 0.03 99.78 02:10:01 1 0.38 0.00 0.08 0.01 0.03 99.50 02:20:47 all 0.26 0.00 0.07 0.02 0.03 99.61 02:20:47 0 0.47 0.00 0.05 0.01 0.03 99.44 02:20:47 1 0.06 0.00 0.09 0.03 0.04 99.78 02:30:17 all 0.29 0.18 0.24 0.14 0.03 99.11 02:30:17 0 0.23 0.00 0.19 0.01 0.04 99.54 02:30:17 1 0.36 0.35 0.29 0.28 0.03 98.69 02:40:01 all 0.39 0.00 0.10 0.02 0.03 99.45 02:40:01 0 0.29 0.00 0.13 0.03 0.04 99.52 02:40:01 1 0.49 0.00 0.07 0.02 0.03 99.39 02:50:47 all 0.23 0.00 0.08 0.01 0.03 99.65 02:50:47 0 0.05 0.00 0.08 0.01 0.03 99.83 02:50:47 1 0.42 0.00 0.07 0.01 0.03 99.47 03:00:07 all 0.33 0.00 0.17 0.01 0.03 99.45 03:00:07 0 0.13 0.00 0.18 0.01 0.03 99.66 03:00:07 1 0.54 0.00 0.17 0.01 0.03 99.25 Average: all 0.29 0.03 0.12 0.04 0.03 99.49 Average: 0 0.21 0.00 0.11 0.01 0.03 99.63 Average: 1 0.37 0.06 0.13 0.06 0.03 99.36