---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35283 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 741 5207 4 2285 7200 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:2c:df:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81128sec preferred_lft 81128sec inet6 fe80::f816:3eff:fe2c:dfd9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35283) 07/13/26 _x86_64_ (2 CPU) 00:35:57 LINUX RESTART (2 CPU) 00:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 1.79 0.28 1.49 0.02 33.27 75.48 1.07 01:00:06 1.44 0.01 1.42 0.02 0.05 17.79 871.21 01:10:06 1.17 0.00 1.17 0.00 0.00 14.01 0.00 01:20:06 13.97 0.01 1.41 12.55 0.16 17.41 109121.51 01:30:06 1.52 0.00 1.50 0.02 0.00 19.23 1088.85 01:40:06 1.18 0.00 1.18 0.00 0.00 14.60 0.00 01:50:06 1.41 0.25 1.16 0.00 8.68 33.51 0.00 02:00:06 23.39 2.60 18.48 2.32 217.01 3477.00 574.79 Average: 5.73 0.39 3.47 1.87 32.40 458.63 13957.01 00:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 6258336 7531940 288304 3.55 30800 1448132 519288 5.66 456244 1200800 216 01:00:06 6260812 7534984 285232 3.51 31012 1448464 519384 5.66 456308 1201344 208 01:10:06 6260140 7534824 285348 3.51 31188 1448792 519588 5.66 456868 1201848 224 01:20:06 6267448 7542708 277284 3.41 31384 1449164 574820 6.26 462212 1202384 184 01:30:06 6265244 7541172 278872 3.43 31580 1449620 519808 5.66 457212 1202912 192 01:40:06 6265244 7541660 278380 3.42 31740 1449944 519872 5.66 457392 1203396 204 01:50:06 6247096 7532520 287396 3.53 31960 1458624 530988 5.78 473328 1211472 216 02:00:06 5197092 7407664 359344 4.42 87136 2283600 625724 6.82 596200 2046888 416 Average: 6127676 7520934 292520 3.60 38350 1554542 541184 5.89 476970 1308880 232 00:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 2.36 0.47 3.36 0.09 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.53 0.09 0.08 0.04 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 1.31 0.08 8.83 0.04 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.66 0.11 0.72 0.06 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.44 0.24 0.08 0.63 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.54 0.12 0.14 0.07 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 5.31 2.91 11.67 1.34 0.00 0.00 0.00 0.00 02:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:06 ens3 98.82 72.83 317.36 15.72 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 13.75 9.61 42.78 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35283) 07/13/26 _x86_64_ (2 CPU) 00:35:57 LINUX RESTART (2 CPU) 00:40:06 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 0.37 0.00 0.11 0.02 0.02 99.47 00:50:06 0 0.25 0.00 0.14 0.03 0.03 99.56 00:50:06 1 0.50 0.00 0.09 0.02 0.02 99.38 01:00:06 all 0.30 0.00 0.17 0.01 0.02 99.49 01:00:06 0 0.28 0.00 0.17 0.02 0.02 99.52 01:00:06 1 0.33 0.00 0.18 0.01 0.02 99.46 01:10:06 all 0.24 0.00 0.07 0.01 0.02 99.66 01:10:06 0 0.31 0.00 0.07 0.01 0.02 99.60 01:10:06 1 0.18 0.00 0.08 0.01 0.02 99.71 01:20:06 all 0.28 0.00 0.09 0.03 0.02 99.58 01:20:06 0 0.48 0.00 0.06 0.02 0.02 99.43 01:20:06 1 0.07 0.00 0.13 0.05 0.03 99.72 01:30:06 all 0.31 0.00 0.17 0.01 0.02 99.49 01:30:06 0 0.52 0.00 0.14 0.01 0.02 99.31 01:30:06 1 0.10 0.00 0.20 0.02 0.03 99.66 01:40:06 all 0.21 0.00 0.07 0.01 0.02 99.69 01:40:06 0 0.04 0.00 0.08 0.01 0.02 99.85 01:40:06 1 0.38 0.00 0.06 0.01 0.02 99.53 01:50:06 all 0.36 0.00 0.08 0.01 0.02 99.53 01:50:06 0 0.18 0.00 0.09 0.02 0.03 99.68 01:50:06 1 0.54 0.00 0.06 0.01 0.02 99.37 02:00:06 all 14.82 0.00 2.13 0.63 0.06 82.37 02:00:06 0 11.03 0.00 1.99 0.81 0.05 86.11 02:00:06 1 18.60 0.00 2.26 0.46 0.06 78.61 Average: all 2.11 0.00 0.36 0.09 0.03 97.41 Average: 0 1.64 0.00 0.34 0.11 0.02 97.89 Average: 1 2.58 0.00 0.38 0.07 0.03 96.94