---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27689 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 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 741 5299 4 2190 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:c3:5c:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81769sec preferred_lft 81769sec inet6 fe80::f816:3eff:fec3:5c62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27689) 06/16/26 _x86_64_ (2 CPU) 00:41:47 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 14.22 0.01 1.66 12.55 0.20 19.99 109893.64 01:10:04 1.31 0.00 1.31 0.00 0.00 15.45 0.00 01:20:03 1.89 0.26 1.62 0.01 32.08 74.88 0.35 01:30:04 1.56 0.00 1.55 0.02 0.00 18.69 0.33 01:40:04 1.66 0.30 1.37 0.00 10.84 35.27 0.00 01:50:05 16.79 1.50 13.89 1.40 108.40 2411.73 245.04 Average: 6.24 0.34 3.57 2.33 25.27 429.77 18349.38 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6272992 7524452 295748 3.64 30704 1426576 526396 5.73 438432 1187636 212 01:10:04 6280384 7532340 287852 3.54 30872 1426900 526460 5.73 438544 1188128 208 01:20:03 6241152 7520232 299500 3.68 31216 1453320 526616 5.74 455624 1205816 184 01:30:04 6239192 7518792 300948 3.70 31396 1453648 526720 5.74 455588 1206324 240 01:40:04 6237320 7526792 292820 3.60 31624 1463188 535624 5.83 469464 1214884 224 01:50:05 5451264 7387676 392532 4.83 72680 2035296 637036 6.94 595760 1812240 252 Average: 6120384 7501714 311567 3.83 38082 1543155 546475 5.95 475569 1302505 220 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.60 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 1.09 0.07 12.00 0.04 0.00 0.00 0.00 0.00 01:20:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 1.05 0.52 3.25 0.09 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.32 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 4.95 2.41 11.97 1.85 0.00 0.00 0.00 0.00 01:50:05 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 01:50:05 ens3 37.79 23.94 265.00 5.38 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.64 4.51 48.78 1.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27689) 06/16/26 _x86_64_ (2 CPU) 00:41:47 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.29 0.00 0.18 0.04 0.03 99.46 01:00:05 0 0.14 0.00 0.20 0.05 0.03 99.58 01:00:05 1 0.44 0.00 0.17 0.04 0.03 99.33 01:10:04 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:04 0 0.36 0.00 0.07 0.01 0.03 99.54 01:10:04 1 0.16 0.00 0.08 0.01 0.03 99.72 01:20:03 all 0.42 0.00 0.11 0.11 0.04 99.33 01:20:03 0 0.45 0.00 0.11 0.19 0.03 99.22 01:20:03 1 0.38 0.00 0.10 0.04 0.04 99.44 01:30:04 all 0.27 0.00 0.17 0.01 0.03 99.51 01:30:04 0 0.18 0.00 0.18 0.01 0.03 99.61 01:30:04 1 0.37 0.00 0.17 0.01 0.03 99.42 01:40:04 all 0.39 0.00 0.09 0.01 0.03 99.48 01:40:04 0 0.33 0.00 0.11 0.01 0.03 99.53 01:40:04 1 0.45 0.00 0.08 0.02 0.03 99.42 01:50:05 all 7.42 0.00 1.00 0.44 0.05 91.10 01:50:05 0 12.79 0.00 1.44 0.43 0.05 85.29 01:50:05 1 2.05 0.00 0.56 0.44 0.05 96.91 Average: all 1.51 0.00 0.27 0.10 0.03 98.08 Average: 0 2.38 0.00 0.35 0.12 0.03 97.13 Average: 1 0.64 0.00 0.19 0.09 0.03 99.04