---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21787 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 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 771 5070 4 2400 7170 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:50:79:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81218sec preferred_lft 81218sec inet6 fe80::f816:3eff:fe50:798e/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-21787) 05/31/26 _x86_64_ (2 CPU) 00:11:56 LINUX RESTART (2 CPU) 00:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:06 1.37 0.01 1.35 0.01 0.05 16.99 440.03 00:40:04 17.29 1.84 13.84 1.61 125.47 2490.98 965.73 00:50:11 21.53 1.18 6.37 13.98 102.19 991.99 105795.16 01:00:11 15.67 13.53 2.04 0.09 150.68 54.77 7.68 01:10:11 1.86 0.25 1.57 0.04 30.98 188.46 2.11 01:20:11 1.47 0.00 1.43 0.04 1.05 27.84 399.41 01:30:04 1.52 0.00 1.46 0.06 0.00 30.95 1205.55 Average: 8.71 2.41 4.02 2.29 58.85 544.67 15737.03 00:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:06 6307552 7552416 268860 3.31 30184 1420824 524584 5.71 438648 1182928 216 00:40:04 5424220 7395908 380848 4.68 74652 2065032 612396 6.67 549232 1853012 70204 00:50:11 5198388 7361904 407044 5.01 85256 2239872 643912 7.01 598372 2011460 256 01:00:11 5143020 7364660 395204 4.86 88604 2286476 655512 7.14 602448 2060812 348 01:10:11 5058456 7341280 417796 5.14 88916 2346776 869028 9.47 632264 2112532 264 01:20:11 5069336 7356508 402624 4.95 89100 2350892 644560 7.02 597804 2116512 976 01:30:04 5080064 7370480 388540 4.78 89332 2353860 650216 7.08 603832 2119688 228 Average: 5325862 7391879 380131 4.67 78006 2151962 657173 7.16 574657 1922421 10356 00:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:06 ens3 0.58 0.08 0.12 0.06 0.00 0.00 0.00 0.00 00:40:04 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:40:04 ens3 35.69 24.98 279.83 6.86 0.00 0.00 0.00 0.00 00:50:11 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:50:11 ens3 35.49 31.63 256.11 5.50 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 10.81 10.07 61.67 1.24 0.00 0.00 0.00 0.00 01:10:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 4.47 3.40 48.21 0.26 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 15.48 14.75 140.87 1.68 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 7.42 5.86 1.83 1.17 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.77 13.02 113.16 2.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21787) 05/31/26 _x86_64_ (2 CPU) 00:11:56 LINUX RESTART (2 CPU) 00:20:11 CPU %user %nice %system %iowait %steal %idle 00:30:06 all 0.29 0.00 0.15 0.07 0.03 99.46 00:30:06 0 0.49 0.00 0.13 0.09 0.02 99.27 00:30:06 1 0.09 0.00 0.18 0.05 0.03 99.65 00:40:04 all 8.87 0.00 1.22 2.22 0.04 87.65 00:40:04 0 10.24 0.00 1.26 1.87 0.04 86.60 00:40:04 1 7.49 0.00 1.19 2.57 0.05 88.70 00:50:11 all 3.79 0.00 0.77 1.78 0.06 93.60 00:50:11 0 4.72 0.00 0.89 3.31 0.06 91.01 00:50:11 1 2.86 0.00 0.65 0.25 0.05 96.18 01:00:11 all 1.63 0.22 0.42 0.40 0.06 97.27 01:00:11 0 2.31 0.06 0.42 0.16 0.07 96.98 01:00:11 1 0.95 0.38 0.41 0.64 0.05 97.57 01:10:11 all 7.22 0.00 0.74 0.07 0.07 91.90 01:10:11 0 10.53 0.00 1.00 0.11 0.07 88.29 01:10:11 1 4.04 0.00 0.49 0.04 0.07 95.36 01:20:11 all 1.64 0.00 0.24 0.03 0.05 98.04 01:20:11 0 1.83 0.00 0.21 0.02 0.06 97.88 01:20:11 1 1.45 0.00 0.27 0.04 0.05 98.19 01:30:04 all 2.87 0.00 0.45 0.03 0.06 96.59 01:30:04 0 2.00 0.00 0.37 0.04 0.06 97.54 01:30:04 1 3.75 0.00 0.54 0.02 0.06 95.64 Average: all 3.75 0.03 0.57 0.66 0.05 94.94 Average: 0 4.55 0.01 0.61 0.81 0.05 93.97 Average: 1 2.95 0.05 0.53 0.52 0.05 95.90