---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26792 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: 5599.94 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 748 5217 4 2268 7193 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:65:f2:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80452sec preferred_lft 80452sec inet6 fe80::f816:3eff:fe65:f227/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26792) 06/12/26 _x86_64_ (2 CPU) 01:48:25 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.54 0.02 1.50 0.02 1.22 18.96 430.43 02:10:09 1.55 0.03 1.51 0.00 2.20 18.01 0.16 02:20:01 14.08 0.01 1.38 12.70 0.16 16.21 110590.74 02:30:09 1.61 0.00 1.60 0.01 0.00 18.84 430.69 02:40:09 1.95 0.26 1.68 0.01 32.03 75.72 0.23 02:50:01 1.32 0.00 1.32 0.00 0.00 16.03 0.00 03:00:09 24.12 2.96 18.86 2.30 222.92 3419.39 500.69 03:10:09 1.40 0.00 1.39 0.02 0.00 16.52 1.20 03:20:09 1.38 0.00 1.36 0.02 0.00 16.21 1.20 Average: 5.45 0.37 3.43 1.66 29.03 406.40 12267.24 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6282588 7528844 291976 3.59 30564 1421368 522564 5.69 449344 1183104 132 02:10:09 6285288 7532720 288092 3.54 30760 1422340 522564 5.69 450020 1183712 132 02:20:01 6292760 7540748 279936 3.44 30932 1422712 522704 5.69 450096 1184228 124 02:30:09 6284456 7532956 287712 3.54 31104 1423040 522704 5.69 450180 1184728 136 02:40:09 6239140 7514884 305344 3.75 31452 1449564 522704 5.69 459480 1202396 132 02:50:01 6238888 7515140 305044 3.75 31628 1449892 522768 5.69 459820 1202900 276 03:00:09 5196788 7401528 365600 4.50 86784 2278044 624932 6.81 595276 2041088 132 03:10:09 5200084 7405340 361784 4.45 86948 2278396 624996 6.81 595360 2041604 132 03:20:09 5200084 7405864 361364 4.44 87120 2278748 624996 6.81 595444 2042128 216 Average: 5913342 7486447 316317 3.89 49699 1713789 556770 6.06 500558 1473988 157 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.65 0.10 0.30 0.04 0.00 0.00 0.00 0.00 02:10:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.48 0.07 0.08 0.02 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 0.27 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 1.02 0.50 3.23 0.08 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.50 0.13 0.17 0.10 0.00 0.00 0.00 0.00 03:00:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:09 ens3 62.44 43.56 315.45 11.48 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 1.63 0.16 0.21 0.03 0.00 0.00 0.00 0.00 03:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:09 ens3 0.54 0.22 0.09 0.03 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 7.72 5.04 35.94 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26792) 06/12/26 _x86_64_ (2 CPU) 01:48:25 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.32 0.00 0.17 0.01 0.03 99.47 02:00:09 0 0.30 0.00 0.18 0.01 0.03 99.48 02:00:09 1 0.33 0.00 0.17 0.01 0.03 99.45 02:10:09 all 0.30 0.00 0.08 0.01 0.02 99.58 02:10:09 0 0.17 0.00 0.08 0.01 0.02 99.72 02:10:09 1 0.44 0.00 0.08 0.01 0.02 99.45 02:20:01 all 0.28 0.00 0.09 0.04 0.02 99.58 02:20:01 0 0.49 0.00 0.06 0.02 0.02 99.41 02:20:01 1 0.06 0.00 0.11 0.05 0.02 99.76 02:30:09 all 0.26 0.00 0.17 0.01 0.02 99.54 02:30:09 0 0.44 0.00 0.17 0.01 0.02 99.36 02:30:09 1 0.08 0.00 0.17 0.00 0.02 99.72 02:40:09 all 0.35 0.00 0.11 0.02 0.02 99.51 02:40:09 0 0.24 0.00 0.11 0.01 0.02 99.63 02:40:09 1 0.46 0.00 0.11 0.03 0.02 99.39 02:50:01 all 0.26 0.00 0.07 0.01 0.02 99.64 02:50:01 0 0.12 0.00 0.09 0.01 0.02 99.76 02:50:01 1 0.40 0.00 0.06 0.01 0.02 99.52 03:00:09 all 11.96 0.00 1.84 1.24 0.06 84.90 03:00:09 0 13.05 0.00 2.02 1.51 0.06 83.37 03:00:09 1 10.88 0.00 1.66 0.97 0.05 86.43 03:10:09 all 0.40 0.00 0.13 0.01 0.04 99.43 03:10:09 0 0.50 0.00 0.09 0.01 0.02 99.38 03:10:09 1 0.29 0.00 0.18 0.01 0.05 99.48 03:20:09 all 0.40 0.00 0.13 0.01 0.04 99.43 03:20:09 0 0.48 0.00 0.07 0.01 0.02 99.42 03:20:09 1 0.31 0.00 0.18 0.01 0.06 99.45 Average: all 1.63 0.00 0.31 0.15 0.03 97.88 Average: 0 1.77 0.00 0.32 0.18 0.02 97.70 Average: 1 1.48 0.00 0.30 0.12 0.03 98.06