---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33088 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 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 744 5223 4 2266 7197 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:48:88:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80378sec preferred_lft 80378sec inet6 fe80::f816:3eff:fe48:8842/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33088) 07/05/26 _x86_64_ (2 CPU) 01:47:32 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.12 0.28 1.80 0.04 33.52 79.64 659.25 02:10:01 1.26 0.01 1.25 0.00 0.05 15.14 0.36 02:20:06 1.22 0.00 1.22 0.00 0.01 14.90 0.00 02:30:01 1.36 0.00 1.34 0.02 0.00 16.60 659.10 02:40:01 1.28 0.00 1.27 0.01 0.00 16.57 217.75 02:50:06 1.21 0.00 1.21 0.00 0.00 14.81 0.00 03:00:01 24.26 3.03 18.91 2.32 229.33 3520.38 852.86 03:10:01 1.23 0.00 1.23 0.00 0.00 15.13 0.00 03:20:06 1.26 0.00 1.26 0.00 0.00 16.11 0.00 Average: 3.89 0.37 3.26 0.26 28.98 408.98 263.54 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6263240 7537408 282536 3.47 30784 1448680 531268 5.79 452024 1200828 124 02:10:01 6263240 7537916 281992 3.47 30964 1449008 531268 5.79 452204 1201336 160 02:20:06 6277744 7552936 266956 3.28 31152 1449336 531404 5.79 452272 1201844 244 02:30:01 6280704 7556400 263492 3.24 31316 1449656 531404 5.79 452328 1202336 276 02:40:01 6275412 7551772 268120 3.30 31524 1450112 531528 5.79 452864 1202876 276 02:50:06 6274912 7551784 268108 3.30 31684 1450452 531620 5.79 453372 1203364 248 03:00:01 5208308 7408932 358068 4.40 86960 2273804 633756 6.90 592816 2036440 284 03:10:01 5208308 7409396 357604 4.40 87076 2274156 633764 6.90 592864 2036908 184 03:20:06 5211548 7413132 353912 4.35 87232 2274508 633788 6.90 592964 2037416 260 Average: 5918157 7502186 300088 3.69 49855 1724412 565533 6.16 499301 1480372 228 01:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.51 0.25 3.31 0.05 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 0.59 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 1.39 0.05 7.41 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.58 0.04 0.82 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.44 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.45 0.16 0.11 0.42 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 69.19 46.73 319.68 11.44 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 1.03 0.21 0.15 0.03 0.00 0.00 0.00 0.00 03:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:06 ens3 0.33 0.17 0.07 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 8.33 5.26 36.58 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33088) 07/05/26 _x86_64_ (2 CPU) 01:47:32 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.43 0.00 0.21 0.07 0.02 99.27 02:00:01 0 0.34 0.00 0.21 0.13 0.02 99.30 02:00:01 1 0.52 0.00 0.21 0.01 0.02 99.24 02:10:01 all 0.26 0.00 0.08 0.66 0.02 98.99 02:10:01 0 0.24 0.00 0.08 1.29 0.02 98.38 02:10:01 1 0.28 0.00 0.07 0.03 0.02 99.60 02:20:06 all 0.26 0.00 0.08 0.09 0.02 99.56 02:20:06 0 0.06 0.00 0.10 0.04 0.02 99.79 02:20:06 1 0.45 0.00 0.06 0.14 0.01 99.33 02:30:01 all 0.27 0.00 0.17 0.05 0.01 99.50 02:30:01 0 0.25 0.00 0.18 0.03 0.01 99.52 02:30:01 1 0.28 0.00 0.16 0.06 0.02 99.48 02:40:01 all 0.28 0.00 0.08 0.02 0.02 99.60 02:40:01 0 0.20 0.00 0.09 0.02 0.02 99.68 02:40:01 1 0.37 0.00 0.08 0.02 0.02 99.51 02:50:06 all 0.29 0.00 0.07 0.09 0.01 99.54 02:50:06 0 0.07 0.00 0.08 0.10 0.01 99.74 02:50:06 1 0.51 0.00 0.06 0.08 0.01 99.34 03:00:01 all 12.56 0.00 1.93 1.69 0.05 83.77 03:00:01 0 13.46 0.00 1.85 1.37 0.04 83.28 03:00:01 1 11.65 0.00 2.01 2.02 0.05 84.27 03:10:01 all 0.38 0.00 0.14 0.05 0.03 99.41 03:10:01 0 0.35 0.00 0.12 0.05 0.02 99.45 03:10:01 1 0.41 0.00 0.15 0.05 0.03 99.36 03:20:06 all 0.39 0.00 0.14 0.02 0.03 99.42 03:20:06 0 0.28 0.00 0.18 0.01 0.04 99.49 03:20:06 1 0.51 0.00 0.09 0.03 0.01 99.36 Average: all 1.67 0.00 0.32 0.30 0.02 97.69 Average: 0 1.68 0.00 0.32 0.34 0.02 97.64 Average: 1 1.65 0.00 0.32 0.27 0.02 97.74