---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10210 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 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 769 5275 4 2185 7172 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:79:7c:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80773sec preferred_lft 80773sec inet6 fe80::f816:3eff:fe79:7c18/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10210) 05/02/26 _x86_64_ (2 CPU) 00:39:46 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:22 5.80 2.90 2.86 0.04 366.43 123.96 211.20 01:00:17 1.39 0.01 1.37 0.02 0.05 16.97 440.59 01:10:22 1.26 0.00 1.25 0.02 0.00 15.00 1.08 01:20:22 14.56 0.26 1.74 12.56 32.19 75.51 109130.55 01:30:07 1.63 0.00 1.62 0.01 0.00 19.73 447.16 01:40:22 1.36 0.00 1.36 0.00 0.00 16.31 0.00 01:50:17 1.33 0.00 1.33 0.00 0.00 15.62 0.00 02:00:22 22.46 2.99 17.25 2.22 226.11 3111.20 585.86 02:10:07 1.29 0.00 1.28 0.01 0.00 21.61 0.08 Average: 5.71 0.70 3.36 1.65 71.09 382.57 12295.73 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:22 6275812 7522244 298056 3.66 30504 1421804 526068 5.73 444356 1183024 164 01:00:17 6286508 7533504 286784 3.53 30716 1422144 526072 5.73 444592 1183568 248 01:10:22 6285532 7533060 287244 3.53 30928 1422464 526072 5.73 444776 1184096 180 01:20:22 6233932 7508440 311420 3.83 31272 1448740 526220 5.73 454412 1201624 132 01:30:07 6242072 7517120 302664 3.72 31456 1449076 526420 5.73 454788 1202140 160 01:40:22 6248904 7524588 295144 3.63 31632 1449536 526516 5.73 455336 1202644 160 01:50:17 6264304 7540480 279244 3.43 31792 1449856 526628 5.74 455312 1203124 208 02:00:22 5264300 7382320 389012 4.78 85060 2197100 634652 6.91 603860 1958088 180 02:10:07 5208484 7328524 442832 5.45 85196 2198992 664480 7.24 625584 1960108 324 Average: 6034428 7487809 321378 3.95 43173 1606635 553681 6.03 487002 1364268 195 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:22 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:22 ens3 13.62 6.93 34.97 1.79 0.00 0.00 0.00 0.00 01:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 0.52 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 0.41 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:20:22 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:22 ens3 0.77 0.32 3.23 0.10 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.31 0.17 0.07 0.51 0.00 0.00 0.00 0.00 01:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:22 ens3 0.45 0.10 0.14 0.08 0.00 0.00 0.00 0.00 01:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:17 ens3 0.34 0.11 0.12 0.07 0.00 0.00 0.00 0.00 02:00:22 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:22 ens3 68.11 47.54 312.46 11.60 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 10.46 9.58 109.87 0.92 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.64 7.25 51.30 1.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10210) 05/02/26 _x86_64_ (2 CPU) 00:39:46 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:22 all 0.74 0.00 0.30 0.12 0.03 98.82 00:50:22 0 0.72 0.00 0.26 0.09 0.02 98.91 00:50:22 1 0.75 0.00 0.33 0.14 0.04 98.73 01:00:17 all 0.30 0.00 0.17 0.01 0.03 99.49 01:00:17 0 0.14 0.00 0.19 0.01 0.03 99.63 01:00:17 1 0.45 0.00 0.15 0.02 0.03 99.35 01:10:22 all 0.25 0.00 0.07 0.01 0.03 99.63 01:10:22 0 0.09 0.00 0.09 0.01 0.03 99.78 01:10:22 1 0.42 0.00 0.06 0.01 0.03 99.48 01:20:22 all 0.39 0.00 0.11 0.04 0.03 99.42 01:20:22 0 0.26 0.00 0.13 0.02 0.04 99.56 01:20:22 1 0.52 0.00 0.10 0.07 0.02 99.29 01:30:07 all 0.27 0.00 0.16 0.01 0.03 99.53 01:30:07 0 0.08 0.00 0.18 0.00 0.04 99.70 01:30:07 1 0.47 0.00 0.14 0.02 0.02 99.36 01:40:22 all 0.24 0.00 0.06 0.01 0.03 99.66 01:40:22 0 0.06 0.00 0.09 0.00 0.04 99.81 01:40:22 1 0.42 0.00 0.04 0.01 0.02 99.51 01:50:17 all 0.24 0.00 0.07 0.01 0.03 99.65 01:50:17 0 0.04 0.00 0.09 0.01 0.03 99.82 01:50:17 1 0.44 0.00 0.04 0.01 0.03 99.48 02:00:22 all 11.02 0.00 1.78 0.58 0.07 86.55 02:00:22 0 10.31 0.00 1.65 0.48 0.05 87.51 02:00:22 1 11.74 0.00 1.92 0.67 0.08 85.59 02:10:07 all 0.91 0.00 0.20 0.01 0.06 98.83 02:10:07 0 1.10 0.00 0.22 0.01 0.07 98.60 02:10:07 1 0.71 0.00 0.17 0.01 0.05 99.05 Average: all 1.60 0.00 0.33 0.09 0.04 97.94 Average: 0 1.43 0.00 0.32 0.07 0.04 98.14 Average: 1 1.78 0.00 0.33 0.11 0.04 97.75