---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8086 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 8.1G 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 775 5065 4 2398 7166 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:c3:2b:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79485sec preferred_lft 79485sec inet6 fe80::f816:3eff:fec3:2bbf/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-8086) 04/26/26 _x86_64_ (2 CPU) 00:15:36 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:15 10.76 1.39 8.12 1.25 112.17 1099.96 306.36 00:40:01 1.26 0.01 1.26 0.00 0.05 17.92 0.00 00:50:01 1.96 0.31 1.62 0.03 39.01 77.73 0.32 01:00:05 15.06 0.01 1.63 13.41 1.19 24.80 106037.41 01:10:01 1.38 0.00 1.33 0.05 0.00 20.35 0.40 01:20:01 1.57 0.00 1.51 0.06 0.00 25.58 0.44 01:30:15 1.62 0.00 1.56 0.05 0.00 25.79 0.49 01:40:01 1.29 0.00 1.28 0.01 0.00 19.91 0.07 01:50:01 1.38 0.00 1.38 0.00 0.00 20.16 0.00 02:00:15 1.57 0.00 1.55 0.02 0.00 23.55 0.22 02:10:01 3.07 0.04 2.55 0.48 1.46 98.00 153.73 Average: 3.75 0.16 2.18 1.41 14.23 134.39 9748.94 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:15 5325216 7408220 364092 4.48 84628 2163044 618500 6.74 577700 1933172 136 00:40:01 5324824 7408956 363128 4.47 84760 2164040 621004 6.76 580312 1934300 160 00:50:01 5249476 7363160 408592 5.02 85088 2193160 832004 9.06 597524 1952684 288 01:00:05 5250516 7366056 405768 4.99 85280 2194792 622260 6.78 592724 1954168 216 01:10:01 5250516 7367544 404260 4.97 85492 2196092 622260 6.78 592796 1955656 260 01:20:01 5250292 7369848 401900 4.94 85744 2198344 623348 6.79 594592 1958056 296 01:30:15 5260688 7382224 389496 4.79 85956 2200104 623348 6.79 594436 1960028 132 01:40:01 5260688 7383884 387800 4.77 86100 2201656 623340 6.79 594536 1961688 224 01:50:01 5260688 7385372 386352 4.75 86276 2202932 623412 6.79 594412 1963176 324 02:00:15 5259544 7385852 385856 4.74 86444 2204396 623524 6.79 594672 1964792 184 02:10:01 5234924 7379344 391896 4.82 87704 2220880 621692 6.77 615604 1982160 39912 Average: 5266125 7381860 389922 4.79 85770 2194495 641336 6.99 593573 1956353 3830 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:15 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 00:30:15 ens3 6.66 4.95 34.52 1.49 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 2.16 0.29 0.48 0.21 0.00 0.00 0.00 0.00 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.45 0.35 3.20 0.07 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.57 0.15 0.11 0.06 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 0.47 0.11 0.10 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.82 0.12 0.80 0.07 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.41 0.07 0.09 0.04 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 0.60 0.18 0.17 0.10 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 3.46 0.25 0.61 0.20 0.00 0.00 0.00 0.00 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 1.34 0.27 0.19 0.09 0.00 0.00 0.00 0.00 02:10:01 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 6.62 5.21 9.55 9.29 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.23 1.09 4.58 1.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8086) 04/26/26 _x86_64_ (2 CPU) 00:15:36 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:15 all 5.56 0.00 0.88 0.16 0.05 93.35 00:30:15 0 3.45 0.00 0.73 0.19 0.06 95.56 00:30:15 1 7.67 0.00 1.02 0.12 0.04 91.14 00:40:01 all 0.57 0.00 0.13 0.03 0.04 99.23 00:40:01 0 0.65 0.00 0.16 0.04 0.05 99.10 00:40:01 1 0.49 0.00 0.10 0.01 0.03 99.37 00:50:01 all 0.68 0.00 0.16 0.02 0.04 99.10 00:50:01 0 0.65 0.00 0.16 0.01 0.04 99.14 00:50:01 1 0.70 0.00 0.16 0.03 0.05 99.06 01:00:05 all 0.66 0.00 0.22 0.03 0.04 99.05 01:00:05 0 0.71 0.00 0.25 0.00 0.06 98.98 01:00:05 1 0.61 0.00 0.19 0.06 0.03 99.11 01:10:01 all 0.61 0.00 0.12 0.01 0.04 99.22 01:10:01 0 0.67 0.00 0.14 0.01 0.05 99.13 01:10:01 1 0.55 0.00 0.09 0.02 0.04 99.30 01:20:01 all 0.74 0.00 0.13 0.01 0.05 99.08 01:20:01 0 0.86 0.00 0.17 0.00 0.06 98.91 01:20:01 1 0.62 0.00 0.08 0.02 0.03 99.25 01:30:15 all 0.68 0.00 0.20 0.01 0.04 99.07 01:30:15 0 0.70 0.00 0.23 0.01 0.05 99.01 01:30:15 1 0.66 0.00 0.17 0.01 0.04 99.13 01:40:01 all 0.67 0.00 0.12 0.01 0.21 98.98 01:40:01 0 0.63 0.00 0.14 0.02 0.15 99.07 01:40:01 1 0.72 0.00 0.10 0.01 0.26 98.90 01:50:01 all 0.63 0.00 0.12 0.01 0.04 99.21 01:50:01 0 0.64 0.00 0.15 0.00 0.05 99.16 01:50:01 1 0.61 0.00 0.10 0.01 0.03 99.25 02:00:15 all 0.67 0.00 0.22 0.01 0.04 99.06 02:00:15 0 0.51 0.00 0.19 0.01 0.03 99.27 02:00:15 1 0.84 0.00 0.25 0.01 0.05 98.85 02:10:01 all 2.43 0.00 0.31 0.04 0.04 97.18 02:10:01 0 3.40 0.00 0.37 0.07 0.03 96.13 02:10:01 1 1.47 0.00 0.25 0.01 0.05 98.22 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.27 0.00 0.24 0.03 0.06 98.40 Average: 0 1.17 0.00 0.25 0.03 0.06 98.49 Average: 1 1.37 0.00 0.23 0.03 0.06 98.31