---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30960 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 750 5213 4 2269 7191 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:80:49:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82267sec preferred_lft 82267sec inet6 fe80::f816:3eff:fe80:4969/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30960) 06/27/26 _x86_64_ (2 CPU) 00:42:45 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.58 0.01 1.55 0.02 0.05 18.51 654.15 01:10:01 1.32 0.00 1.30 0.02 0.00 15.29 1.20 01:20:03 1.29 0.00 1.27 0.02 0.01 15.03 1.09 01:30:03 2.01 0.25 1.71 0.04 30.97 77.61 655.18 01:40:01 1.37 0.01 1.35 0.02 1.06 15.96 1.26 01:50:03 41.72 3.03 21.98 16.71 228.08 3935.94 110144.65 Average: 8.24 0.55 4.88 2.82 43.53 682.62 18657.58 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6296460 7547868 272432 3.35 30760 1426248 519528 5.66 441596 1187704 216 01:10:01 6303292 7555236 265060 3.26 30968 1426576 519664 5.66 441612 1188240 272 01:20:03 6298756 7551224 269064 3.31 31168 1426900 521292 5.68 439140 1188760 216 01:30:03 6253492 7533088 286652 3.52 31584 1453240 727780 7.93 453732 1206748 260 01:40:01 6252736 7533308 286472 3.52 31772 1454008 521536 5.68 449224 1207272 160 01:50:03 5391484 7407452 369024 4.54 88256 2096428 616620 6.72 596240 1860312 22508 Average: 6132703 7521363 291451 3.58 40751 1547233 571070 6.22 470257 1306506 3939 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.86 0.06 0.10 0.03 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 0.36 0.05 0.07 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 1.00 0.12 1.09 0.10 0.00 0.00 0.00 0.00 01:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 1.00 0.54 3.25 0.07 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 0.63 0.29 0.18 0.68 0.00 0.00 0.00 0.00 01:50:03 lo 1.36 1.36 0.09 0.09 0.00 0.00 0.00 0.00 01:50:03 ens3 72.88 50.20 323.29 13.20 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 12.84 8.58 54.90 2.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30960) 06/27/26 _x86_64_ (2 CPU) 00:42:45 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.29 0.00 0.18 0.01 0.02 99.51 01:00:03 0 0.09 0.00 0.18 0.02 0.02 99.70 01:00:03 1 0.49 0.00 0.17 0.01 0.02 99.32 01:10:01 all 0.25 0.00 0.08 0.01 0.02 99.64 01:10:01 0 0.07 0.00 0.08 0.02 0.02 99.81 01:10:01 1 0.44 0.00 0.07 0.00 0.02 99.47 01:20:03 all 0.32 0.00 0.07 0.01 0.02 99.58 01:20:03 0 0.18 0.00 0.09 0.01 0.02 99.70 01:20:03 1 0.46 0.00 0.05 0.01 0.02 99.46 01:30:03 all 0.37 0.00 0.18 0.09 0.02 99.34 01:30:03 0 0.56 0.00 0.17 0.02 0.02 99.23 01:30:03 1 0.19 0.00 0.19 0.15 0.03 99.45 01:40:01 all 0.26 0.00 0.07 0.48 0.02 99.17 01:40:01 0 0.27 0.00 0.06 0.96 0.02 98.69 01:40:01 1 0.25 0.00 0.08 0.01 0.02 99.64 01:50:03 all 14.72 0.00 2.11 19.35 0.06 63.76 01:50:03 0 14.09 0.00 2.20 23.09 0.06 60.56 01:50:03 1 15.35 0.00 2.03 15.62 0.06 66.95 Average: all 2.71 0.00 0.45 3.33 0.03 93.48 Average: 0 2.55 0.00 0.46 4.03 0.03 92.93 Average: 1 2.87 0.00 0.43 2.64 0.03 94.03