---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30957 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 8.0G 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 763 5118 4 2353 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:36:ed:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79206sec preferred_lft 79206sec inet6 fe80::f816:3eff:fe36:ed3b/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-30957) 06/27/26 _x86_64_ (2 CPU) 00:42:27 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:15 1.63 0.01 1.61 0.01 0.05 18.92 426.46 01:10:14 1.37 0.00 1.36 0.02 0.00 15.77 1.20 01:20:01 1.31 0.00 1.30 0.02 0.01 15.38 1.10 01:30:15 1.95 0.25 1.67 0.04 30.30 75.81 427.54 01:40:15 1.71 0.40 1.29 0.02 15.77 46.92 1.20 01:50:01 37.59 2.67 19.00 15.92 216.89 3601.50 111101.37 02:00:16 1.50 0.00 1.48 0.02 0.00 24.27 0.27 02:10:17 1.30 0.00 1.30 0.00 0.00 18.93 0.03 02:20:01 1.44 0.00 1.42 0.02 0.00 141.04 408.55 02:30:17 1.66 0.00 1.62 0.04 0.00 32.82 772.29 02:40:17 1.42 0.00 1.39 0.03 0.00 22.47 397.95 Average: 4.72 0.30 3.00 1.43 23.43 355.98 10052.63 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:15 6293176 7544536 276092 3.39 30756 1426224 534608 5.82 449460 1187816 124 01:10:14 6299904 7551812 268852 3.31 30964 1426556 534736 5.82 450048 1188360 152 01:20:01 6297440 7549892 270744 3.33 31172 1426888 535052 5.83 450740 1188896 132 01:30:15 6237884 7517460 302564 3.72 31572 1453228 733220 7.99 465084 1206872 124 01:40:15 6225508 7520284 299356 3.68 31908 1468020 747052 8.14 487652 1220348 284 01:50:01 5177616 7383160 383976 4.72 86944 2278664 832396 9.07 601844 2042104 384 02:00:16 5154128 7361800 405140 4.98 87088 2280648 841004 9.16 602196 2044232 452 02:10:17 5145160 7354008 413024 5.08 87248 2281664 860728 9.38 621052 2045408 204 02:20:01 5113428 7358896 408068 5.02 87400 2318040 865148 9.42 625296 2081936 192 02:30:17 5017104 7267420 499408 6.14 87612 2322632 917784 10.00 678620 2086724 456 02:40:17 5078524 7330848 436008 5.36 87768 2324448 884308 9.63 645476 2088584 192 Average: 5639988 7430920 360294 4.43 61857 1909728 753276 8.20 552497 1671025 245 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.84 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.35 0.06 0.07 0.03 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 1.12 0.23 1.13 0.56 0.00 0.00 0.00 0.00 01:30:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.59 0.27 3.15 0.05 0.00 0.00 0.00 0.00 01:40:15 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 7.75 4.97 19.88 2.81 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 71.39 52.67 419.48 10.10 0.00 0.00 0.00 0.00 02:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 16.20 14.38 163.87 1.25 0.00 0.00 0.00 0.00 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 3.02 2.54 5.05 0.46 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 14.91 13.85 161.47 1.55 0.00 0.00 0.00 0.00 02:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:17 ens3 23.80 22.72 246.31 2.10 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 8.00 7.62 56.72 0.82 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 13.32 10.77 97.38 1.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30957) 06/27/26 _x86_64_ (2 CPU) 00:42:27 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:15 all 0.30 0.00 0.18 0.01 0.03 99.48 01:00:15 0 0.36 0.00 0.19 0.01 0.03 99.41 01:00:15 1 0.25 0.00 0.17 0.01 0.03 99.55 01:10:14 all 0.26 0.00 0.09 0.01 0.03 99.61 01:10:14 0 0.08 0.00 0.08 0.00 0.03 99.81 01:10:14 1 0.44 0.00 0.09 0.02 0.04 99.42 01:20:01 all 0.33 0.00 0.09 0.01 0.03 99.54 01:20:01 0 0.12 0.00 0.11 0.00 0.04 99.74 01:20:01 1 0.54 0.00 0.07 0.02 0.03 99.35 01:30:15 all 0.44 0.00 0.17 0.03 0.04 99.32 01:30:15 0 0.53 0.00 0.18 0.01 0.03 99.24 01:30:15 1 0.35 0.00 0.17 0.05 0.04 99.40 01:40:15 all 0.44 0.00 0.09 0.03 0.03 99.41 01:40:15 0 0.46 0.00 0.10 0.01 0.03 99.40 01:40:15 1 0.42 0.00 0.08 0.04 0.04 99.41 01:50:01 all 12.23 0.00 1.84 0.53 0.07 85.34 01:50:01 0 11.09 0.00 1.72 0.44 0.06 86.69 01:50:01 1 13.36 0.00 1.96 0.63 0.07 83.98 02:00:16 all 0.90 0.00 0.30 0.01 0.07 98.71 02:00:16 0 0.99 0.00 0.32 0.01 0.08 98.60 02:00:16 1 0.82 0.00 0.29 0.01 0.07 98.82 02:10:17 all 6.15 0.00 0.51 0.01 0.08 93.25 02:10:17 0 2.74 0.00 0.31 0.01 0.09 96.85 02:10:17 1 9.69 0.00 0.72 0.01 0.07 89.51 02:20:01 all 2.72 0.00 0.34 0.01 0.08 96.86 02:20:01 0 1.87 0.00 0.35 0.02 0.10 97.66 02:20:01 1 3.58 0.00 0.32 0.00 0.06 96.04 02:30:17 all 1.73 0.00 0.43 0.01 0.07 97.77 02:30:17 0 0.95 0.00 0.32 0.00 0.05 98.67 02:30:17 1 2.50 0.00 0.53 0.01 0.08 96.88 02:40:17 all 0.79 0.00 0.19 0.01 0.06 98.94 02:40:17 0 0.60 0.00 0.12 0.02 0.04 99.22 02:40:17 1 0.99 0.00 0.26 0.01 0.09 98.66 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.35 0.00 0.38 0.06 0.05 97.16 Average: 0 1.77 0.00 0.34 0.05 0.05 97.79 Average: 1 2.93 0.00 0.42 0.07 0.05 96.53