---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1008 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 773 5046 4 2423 7167 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:e8:b8:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78904sec preferred_lft 78904sec inet6 fe80::f816:3eff:fee8:b897/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1008) 08/01/26 _x86_64_ (2 CPU) 00:43:00 LINUX RESTART (2 CPU) 00:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.62 0.01 1.60 0.02 0.05 19.32 670.20 01:10:01 1.32 0.00 1.31 0.02 0.00 15.76 1.20 01:20:15 1.37 0.00 1.35 0.02 0.01 16.12 1.17 01:30:01 1.58 0.00 1.55 0.03 0.00 19.17 893.61 01:40:01 1.34 0.00 1.33 0.02 0.00 15.84 1.20 01:50:25 26.33 1.81 11.42 13.10 142.99 2342.90 105093.83 02:00:01 11.52 1.30 8.88 1.33 113.95 1194.61 676.37 02:10:01 1.32 0.00 1.32 0.00 0.00 22.07 0.08 02:20:15 15.42 13.24 2.12 0.06 147.36 159.46 394.33 02:30:15 1.62 0.00 1.60 0.02 0.00 37.19 0.63 02:40:25 1.52 0.00 1.50 0.02 0.00 24.58 0.60 Average: 5.98 1.51 3.10 1.37 37.12 355.59 10159.98 00:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6288184 7539744 280892 3.45 30740 1426440 533784 5.81 447528 1187892 152 01:10:01 6291156 7543268 277380 3.41 30948 1426772 533816 5.81 447804 1188444 124 01:20:15 6290400 7543088 277552 3.41 31160 1427132 533880 5.81 448268 1189012 148 01:30:01 6286876 7540096 280556 3.45 31380 1427428 533944 5.82 448236 1189532 284 01:40:01 6286372 7540140 280512 3.45 31596 1427752 534008 5.82 448672 1190072 292 01:50:25 5444420 7389472 390952 4.81 72244 2044068 630868 6.87 582728 1821108 14856 02:00:01 5077420 7292656 473932 5.83 87720 2286920 709160 7.72 665636 2050572 456 02:10:01 5140648 7358164 408376 5.02 87844 2289116 667780 7.27 615924 2052852 560 02:20:15 5044960 7353284 404292 4.97 91172 2368236 672780 7.33 620176 2134732 120 02:30:15 5029860 7343996 413416 5.08 91304 2373860 679512 7.40 627104 2140332 160 02:40:25 4974468 7290872 466360 5.73 91432 2375860 711028 7.74 658836 2142488 124 Average: 5650433 7430435 359475 4.42 61595 1897599 612778 6.67 546447 1662458 1571 00:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.90 0.07 0.13 0.04 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 1.59 0.08 0.24 0.05 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 1.20 0.16 0.27 0.12 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 0.89 0.18 0.15 0.67 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 0.93 0.11 0.18 0.07 0.00 0.00 0.00 0.00 01:50:25 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:50:25 ens3 40.50 24.31 270.93 5.93 0.00 0.00 0.00 0.00 02:00:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:00:01 ens3 51.99 41.63 274.01 7.40 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 9.03 7.44 56.93 1.03 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 7.88 6.58 49.15 0.83 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 17.06 16.25 142.00 1.92 0.00 0.00 0.00 0.00 02:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:25 ens3 27.36 24.49 251.42 8.12 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 14.48 11.00 95.37 2.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1008) 08/01/26 _x86_64_ (2 CPU) 00:43:00 LINUX RESTART (2 CPU) 00:50:15 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.17 0.01 0.02 99.52 01:00:01 0 0.16 0.00 0.17 0.02 0.03 99.63 01:00:01 1 0.41 0.00 0.16 0.01 0.02 99.41 01:10:01 all 0.25 0.00 0.08 0.01 0.02 99.65 01:10:01 0 0.38 0.00 0.06 0.02 0.02 99.53 01:10:01 1 0.12 0.00 0.09 0.00 0.02 99.76 01:20:15 all 0.21 0.00 0.08 0.01 0.02 99.68 01:20:15 0 0.32 0.00 0.07 0.01 0.02 99.58 01:20:15 1 0.10 0.00 0.09 0.01 0.02 99.77 01:30:01 all 0.28 0.00 0.16 0.01 0.02 99.53 01:30:01 0 0.16 0.00 0.16 0.01 0.02 99.65 01:30:01 1 0.39 0.00 0.16 0.01 0.02 99.42 01:40:01 all 0.24 0.00 0.07 0.01 0.02 99.66 01:40:01 0 0.43 0.00 0.05 0.01 0.01 99.50 01:40:01 1 0.05 0.00 0.08 0.02 0.02 99.83 01:50:25 all 6.34 0.00 0.95 0.35 0.03 92.33 01:50:25 0 4.45 0.00 0.77 0.34 0.03 94.41 01:50:25 1 8.23 0.00 1.13 0.35 0.03 90.25 02:00:01 all 6.66 0.00 1.15 0.18 0.05 91.97 02:00:01 0 8.73 0.00 1.21 0.19 0.05 89.82 02:00:01 1 4.59 0.00 1.09 0.16 0.05 94.11 02:10:01 all 1.02 0.00 0.21 0.01 0.04 98.72 02:10:01 0 1.15 0.00 0.22 0.01 0.04 98.58 02:10:01 1 0.88 0.00 0.20 0.02 0.04 98.87 02:20:15 all 6.29 0.18 0.72 0.14 0.07 92.60 02:20:15 0 6.06 0.21 0.72 0.18 0.07 92.77 02:20:15 1 6.52 0.16 0.73 0.11 0.07 92.42 02:30:15 all 1.98 0.00 0.39 0.01 0.04 97.58 02:30:15 0 2.48 0.00 0.51 0.02 0.04 96.96 02:30:15 1 1.49 0.00 0.27 0.00 0.03 98.20 02:40:25 all 1.06 0.00 0.31 0.01 0.03 98.58 02:40:25 0 1.36 0.00 0.37 0.01 0.03 98.23 02:40:25 1 0.77 0.00 0.26 0.01 0.03 98.93 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.23 0.02 0.39 0.07 0.03 97.26 Average: 0 2.32 0.02 0.39 0.07 0.03 97.17 Average: 1 2.15 0.01 0.39 0.06 0.03 97.35