---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-112 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 779 5102 4 2353 7162 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:c8:df:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80610sec preferred_lft 80610sec inet6 fe80::f816:3eff:fec8:df7a/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-112) 07/29/26 _x86_64_ (2 CPU) 00:40:12 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.37 0.01 1.35 0.02 0.05 16.95 652.04 01:10:03 1.16 0.00 1.16 0.00 0.00 13.61 0.00 01:20:05 1.22 0.00 1.21 0.00 0.01 14.28 0.12 01:30:05 1.29 0.00 1.27 0.01 0.00 16.18 653.17 01:40:06 1.64 0.26 1.37 0.01 31.97 74.42 0.19 01:50:07 12.86 1.44 10.60 0.82 106.36 1938.04 377.61 02:00:05 26.41 1.42 10.11 14.89 119.71 1705.55 108693.24 02:10:08 1.45 0.00 1.44 0.02 0.00 68.14 1.22 Average: 5.91 0.39 3.56 1.96 32.18 479.75 13737.17 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6277856 7524868 295816 3.64 30720 1421936 520980 5.67 447832 1183636 124 01:10:03 6277856 7525352 295328 3.63 30880 1422260 520980 5.67 448064 1184120 176 01:20:05 6277632 7525632 295012 3.63 31048 1422588 521416 5.68 448604 1184616 188 01:30:05 6277632 7526148 294484 3.62 31224 1422920 521412 5.68 448580 1185124 180 01:40:06 6247108 7523368 296776 3.65 31568 1449972 521480 5.68 457944 1203308 272 01:50:07 5377248 7351148 429864 5.29 70060 2075468 669288 7.29 636552 1852284 158028 02:00:05 5189392 7401040 365464 4.49 87460 2283760 633216 6.90 599288 2047404 304 02:10:08 5177988 7405044 361448 4.44 87636 2299000 636056 6.93 602052 2062812 276 Average: 5887839 7472825 329274 4.05 50074 1724738 568104 6.19 511114 1487913 19944 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.46 0.05 0.05 0.01 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.39 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.65 0.29 0.19 0.61 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.33 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.95 0.47 3.32 0.09 0.00 0.00 0.00 0.00 01:50:07 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:50:07 ens3 43.32 25.45 277.37 6.05 0.00 0.00 0.00 0.00 02:00:05 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:00:05 ens3 42.02 33.59 42.84 7.12 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 45.52 41.64 10.26 5.67 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 16.70 12.70 41.72 2.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-112) 07/29/26 _x86_64_ (2 CPU) 00:40:12 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.24 0.00 0.17 0.01 0.03 99.55 01:00:02 0 0.09 0.00 0.17 0.01 0.03 99.70 01:00:02 1 0.40 0.00 0.17 0.01 0.02 99.40 01:10:03 all 0.23 0.00 0.07 0.01 0.03 99.67 01:10:03 0 0.06 0.00 0.09 0.00 0.03 99.82 01:10:03 1 0.40 0.00 0.05 0.01 0.02 99.51 01:20:05 all 0.30 0.00 0.07 0.01 0.03 99.59 01:20:05 0 0.10 0.00 0.09 0.01 0.04 99.77 01:20:05 1 0.50 0.00 0.06 0.00 0.03 99.41 01:30:05 all 0.21 0.00 0.16 0.01 0.03 99.60 01:30:05 0 0.11 0.00 0.18 0.00 0.03 99.68 01:30:05 1 0.31 0.00 0.14 0.02 0.02 99.51 01:40:06 all 0.36 0.00 0.10 0.02 0.02 99.50 01:40:06 0 0.37 0.00 0.09 0.03 0.02 99.49 01:40:06 1 0.36 0.00 0.10 0.02 0.03 99.50 01:50:07 all 5.71 0.00 0.82 0.38 0.04 93.05 01:50:07 0 6.18 0.00 0.84 0.27 0.03 92.68 01:50:07 1 5.24 0.00 0.80 0.50 0.04 93.42 02:00:05 all 9.33 0.00 1.33 0.23 0.05 89.05 02:00:05 0 9.45 0.00 1.46 0.23 0.05 88.81 02:00:05 1 9.20 0.00 1.20 0.24 0.06 89.30 02:10:08 all 6.34 0.00 0.65 0.02 0.06 92.93 02:10:08 0 6.30 0.00 0.66 0.02 0.06 92.95 02:10:08 1 6.38 0.00 0.64 0.02 0.06 92.91 Average: all 2.83 0.00 0.42 0.09 0.04 96.63 Average: 0 2.82 0.00 0.45 0.07 0.04 96.63 Average: 1 2.84 0.00 0.39 0.10 0.04 96.63