---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19693 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 792 5133 4 2316 7149 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:14:57:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82218sec preferred_lft 82218sec inet6 fe80::f816:3eff:fe14:574e/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-19693) 05/25/26 _x86_64_ (2 CPU) 01:48:00 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.59 0.03 1.55 0.02 1.25 19.27 876.73 02:10:06 1.23 0.01 1.22 0.00 0.05 14.64 0.12 02:20:07 15.44 13.53 1.86 0.05 150.95 42.63 6.49 02:30:01 1.39 0.00 1.38 0.02 0.00 17.35 0.34 02:40:08 13.74 0.00 1.28 12.45 0.15 15.52 108050.19 02:50:08 1.80 0.26 1.53 0.01 32.00 74.31 0.23 Average: 5.88 2.30 1.47 2.11 30.73 30.61 18323.55 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6289472 7535700 284988 3.50 30536 1421372 516532 5.63 434348 1183136 124 02:10:06 6289220 7535964 284656 3.50 30716 1421732 517248 5.63 434524 1183644 272 02:20:07 6235516 7539392 272184 3.35 34860 1466356 516736 5.63 435216 1231836 168 02:30:01 6243648 7548052 263484 3.24 35056 1466660 518344 5.65 436428 1232332 252 02:40:08 6250736 7555728 255728 3.14 35232 1467060 516824 5.63 435892 1232884 172 02:50:08 6191108 7523356 287672 3.54 35584 1493604 521520 5.68 457864 1250576 132 Average: 6249950 7539699 274785 3.38 33664 1456131 517867 5.64 439045 1219068 187 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.04 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.41 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.28 0.03 0.04 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 0.24 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.33 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:50:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.72 0.40 3.23 0.45 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.50 0.10 0.59 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19693) 05/25/26 _x86_64_ (2 CPU) 01:48:00 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.31 0.00 0.17 0.01 0.02 99.48 02:00:01 0 0.20 0.00 0.17 0.02 0.02 99.59 02:00:01 1 0.42 0.00 0.18 0.00 0.02 99.38 02:10:06 all 0.29 0.00 0.08 0.01 0.02 99.61 02:10:06 0 0.07 0.00 0.09 0.00 0.02 99.82 02:10:06 1 0.50 0.00 0.07 0.01 0.02 99.40 02:20:07 all 0.25 0.21 0.16 0.19 0.02 99.17 02:20:07 0 0.28 0.41 0.22 0.37 0.02 98.70 02:20:07 1 0.23 0.01 0.10 0.00 0.02 99.64 02:30:01 all 0.29 0.00 0.18 0.01 0.02 99.51 02:30:01 0 0.47 0.00 0.17 0.01 0.01 99.33 02:30:01 1 0.10 0.00 0.19 0.01 0.02 99.68 02:40:08 all 0.27 0.00 0.09 0.04 0.02 99.59 02:40:08 0 0.46 0.00 0.07 0.01 0.01 99.45 02:40:08 1 0.07 0.00 0.11 0.07 0.02 99.73 02:50:08 all 0.43 0.00 0.11 0.08 0.02 99.36 02:50:08 0 0.52 0.00 0.08 0.01 0.01 99.37 02:50:08 1 0.34 0.00 0.13 0.15 0.02 99.36 Average: all 0.31 0.03 0.13 0.06 0.02 99.45 Average: 0 0.33 0.07 0.13 0.07 0.02 99.38 Average: 1 0.28 0.00 0.13 0.04 0.02 99.53