---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37884 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: 5599.94 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 8.1G 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 750 5097 4 2387 7191 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:85:98:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.1/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81961sec preferred_lft 81961sec inet6 fe80::f816:3eff:fe85:98a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37884) 07/23/26 _x86_64_ (2 CPU) 00:39:47 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 5.52 3.33 2.15 0.04 422.43 188.69 259.29 01:00:06 1.20 0.01 1.17 0.01 1.11 15.83 653.41 01:10:06 0.99 0.00 0.99 0.00 0.00 13.12 0.00 01:20:06 1.10 0.00 1.10 0.01 0.01 15.24 0.15 01:30:06 1.32 0.03 1.27 0.02 2.15 18.09 1088.89 01:40:06 0.98 0.00 0.98 0.00 0.00 13.33 0.00 01:50:06 23.02 2.86 17.82 2.34 224.71 3647.91 923.61 Average: 4.88 0.89 3.64 0.35 93.40 558.35 417.68 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 6218920 7502724 316904 3.90 30772 1458488 740428 8.06 466128 1204420 52 01:00:06 6242712 7527532 292188 3.59 30980 1459264 540280 5.88 461124 1204964 148 01:10:06 6241956 7527276 292436 3.60 31148 1459592 540276 5.88 461404 1205460 168 01:20:06 6241956 7527808 291860 3.59 31344 1459924 595488 6.49 467000 1205984 12 01:30:06 6232344 7519400 300288 3.69 31540 1460900 540568 5.89 462308 1206600 136 01:40:06 6231084 7518768 300912 3.70 31708 1461352 541796 5.90 464088 1207092 196 01:50:06 5096848 7369008 378056 4.65 87392 2342100 660772 7.20 614384 2098352 2140 Average: 6072260 7498931 310378 3.82 39269 1585946 594230 6.47 485205 1333267 407 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 13.47 6.43 38.95 1.84 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 0.43 0.07 0.07 0.03 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 0.33 0.06 0.09 0.03 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 0.42 0.09 0.11 0.05 0.00 0.00 0.00 0.00 01:30:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.28 0.07 0.08 0.04 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 0.65 0.33 0.22 0.69 0.00 0.00 0.00 0.00 01:50:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 73.68 56.76 354.22 14.21 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.75 9.11 56.22 2.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37884) 07/23/26 _x86_64_ (2 CPU) 00:39:47 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 0.85 0.00 0.33 0.10 0.03 98.69 00:50:06 0 0.59 0.00 0.28 0.09 0.03 99.01 00:50:06 1 1.10 0.00 0.38 0.12 0.03 98.38 01:00:06 all 0.33 0.00 0.17 0.01 0.03 99.46 01:00:06 0 0.22 0.00 0.18 0.00 0.03 99.56 01:00:06 1 0.45 0.00 0.16 0.01 0.03 99.35 01:10:06 all 0.27 0.00 0.08 0.01 0.04 99.61 01:10:06 0 0.08 0.00 0.10 0.00 0.04 99.78 01:10:06 1 0.47 0.00 0.06 0.02 0.03 99.43 01:20:06 all 0.25 0.00 0.08 0.01 0.03 99.62 01:20:06 0 0.09 0.00 0.08 0.01 0.04 99.78 01:20:06 1 0.42 0.00 0.08 0.01 0.03 99.46 01:30:06 all 0.32 0.00 0.18 0.01 0.03 99.45 01:30:06 0 0.36 0.00 0.17 0.00 0.03 99.44 01:30:06 1 0.28 0.00 0.20 0.03 0.03 99.46 01:40:06 all 0.27 0.00 0.07 0.01 0.03 99.62 01:40:06 0 0.40 0.00 0.05 0.01 0.02 99.52 01:40:06 1 0.14 0.00 0.10 0.01 0.04 99.72 01:50:06 all 17.31 0.00 1.85 0.49 0.07 80.27 01:50:06 0 16.62 0.00 1.66 0.45 0.07 81.20 01:50:06 1 18.00 0.00 2.05 0.54 0.07 79.34 Average: all 2.80 0.00 0.40 0.09 0.04 96.68 Average: 0 2.62 0.00 0.36 0.08 0.04 96.91 Average: 1 2.97 0.00 0.43 0.10 0.04 96.46