---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16120 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 763 5288 4 2179 7178 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:9d:ec:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81884sec preferred_lft 81884sec inet6 fe80::f816:3eff:fe9d:ecd0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16120) 05/18/26 _x86_64_ (2 CPU) 00:41:30 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.09 0.26 1.80 0.03 31.03 77.19 654.09 01:10:01 1.34 0.00 1.34 0.00 1.05 15.62 0.05 01:20:03 1.29 0.00 1.27 0.01 0.01 15.60 0.96 01:30:01 1.58 0.00 1.55 0.03 0.00 19.07 219.78 01:40:01 1.29 0.00 1.27 0.02 0.00 15.34 1.11 01:50:03 1.87 0.40 1.46 0.01 15.75 48.73 0.51 Average: 1.58 0.11 1.45 0.02 7.98 31.93 145.90 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6235164 7507852 312044 3.84 30872 1447364 727924 7.93 463460 1200572 160 01:10:01 6249652 7523160 296876 3.65 31044 1448004 533400 5.81 458320 1201072 276 01:20:03 6248144 7522196 297880 3.66 31252 1448332 533500 5.81 459428 1201608 204 01:30:01 6237528 7512172 307928 3.79 31480 1448656 533500 5.81 459284 1202160 124 01:40:01 6245088 7520392 299704 3.69 31692 1449112 533596 5.81 459508 1202688 152 01:50:03 6206396 7496988 322528 3.97 32048 1463804 627548 6.84 503156 1216228 344 Average: 6236995 7513793 306160 3.76 31398 1450879 581578 6.33 467193 1204055 210 00:50:01 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 1.09 0.23 3.18 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.02 0.05 10.74 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.62 0.23 0.13 0.48 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 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.38 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 11.63 5.55 24.00 2.72 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 2.51 1.03 6.38 0.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16120) 05/18/26 _x86_64_ (2 CPU) 00:41:30 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.41 0.00 0.22 0.02 0.02 99.33 01:00:01 0 0.37 0.00 0.22 0.01 0.02 99.38 01:00:01 1 0.45 0.00 0.21 0.04 0.02 99.28 01:10:01 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:01 0 0.24 0.00 0.08 0.00 0.02 99.66 01:10:01 1 0.33 0.00 0.08 0.02 0.02 99.56 01:20:03 all 0.31 0.00 0.07 0.01 0.02 99.59 01:20:03 0 0.41 0.00 0.05 0.01 0.02 99.51 01:20:03 1 0.20 0.00 0.08 0.01 0.02 99.68 01:30:01 all 0.26 0.00 0.16 0.01 0.02 99.55 01:30:01 0 0.29 0.00 0.15 0.01 0.02 99.54 01:30:01 1 0.22 0.00 0.18 0.01 0.02 99.57 01:40:01 all 0.22 0.00 0.07 0.01 0.02 99.68 01:40:01 0 0.39 0.00 0.04 0.01 0.01 99.55 01:40:01 1 0.06 0.00 0.10 0.01 0.02 99.82 01:50:03 all 0.53 0.00 0.11 0.01 0.02 99.32 01:50:03 0 0.56 0.00 0.11 0.02 0.02 99.29 01:50:03 1 0.50 0.00 0.12 0.01 0.02 99.35 Average: all 0.34 0.00 0.12 0.01 0.02 99.51 Average: 0 0.38 0.00 0.11 0.01 0.02 99.49 Average: 1 0.29 0.00 0.13 0.01 0.02 99.54