---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37653 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: 5600.00 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 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 736 5215 4 2282 7205 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:9d:24:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81690sec preferred_lft 81690sec inet6 fe80::f816:3eff:fe9d:24fc/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-37653) 07/22/26 _x86_64_ (2 CPU) 00:39:39 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 5.57 3.22 2.29 0.05 383.58 440.68 219.04 01:00:06 1.96 0.26 1.67 0.03 30.77 77.32 432.87 01:10:20 1.27 0.00 1.25 0.02 1.03 14.96 1.00 01:20:01 1.18 0.00 1.18 0.00 0.01 14.24 0.12 01:30:20 1.40 0.00 1.39 0.01 0.00 17.57 422.71 01:40:20 1.31 0.00 1.30 0.01 0.00 16.28 217.80 01:50:01 14.20 0.00 1.24 12.95 0.15 15.21 112650.89 Average: 3.79 0.50 1.48 1.81 59.51 85.38 15771.84 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6292024 7538784 281996 3.47 30536 1421904 531956 5.79 447480 1183188 260 01:00:06 6249844 7523972 296260 3.64 30952 1448468 732288 7.98 462088 1201404 180 01:10:20 6250216 7525164 295116 3.63 31132 1449108 532296 5.80 456936 1201912 132 01:20:01 6249712 7525140 295136 3.63 31284 1449428 532296 5.80 457244 1202384 192 01:30:20 6265568 7541548 278700 3.43 31472 1449764 532448 5.80 457624 1202908 136 01:40:20 6264812 7541456 278772 3.43 31668 1450220 534056 5.82 459032 1203432 196 01:50:01 6263564 7540736 279444 3.44 31828 1450584 532512 5.80 458204 1203928 172 Average: 6262249 7533829 286489 3.52 31267 1445639 561122 6.11 456944 1199879 181 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 15.39 7.23 35.97 1.85 0.00 0.00 0.00 0.00 01:00:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.71 0.22 3.22 0.05 0.00 0.00 0.00 0.00 01:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 0.46 0.07 0.26 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.42 0.09 0.10 0.05 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 0.41 0.27 0.10 0.54 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 0.40 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.30 0.08 0.11 0.06 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 2.59 1.15 5.71 0.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37653) 07/22/26 _x86_64_ (2 CPU) 00:39:39 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.84 0.00 0.36 0.18 0.02 98.61 00:50:01 0 1.02 0.00 0.41 0.10 0.02 98.46 00:50:01 1 0.67 0.00 0.30 0.25 0.02 98.76 01:00:06 all 0.40 0.00 0.19 0.02 0.01 99.37 01:00:06 0 0.48 0.00 0.21 0.01 0.01 99.28 01:00:06 1 0.32 0.00 0.17 0.03 0.01 99.47 01:10:20 all 0.25 0.00 0.08 0.01 0.01 99.65 01:10:20 0 0.06 0.00 0.09 0.02 0.01 99.82 01:10:20 1 0.45 0.00 0.07 0.00 0.01 99.47 01:20:01 all 0.25 0.00 0.08 0.01 0.01 99.65 01:20:01 0 0.06 0.00 0.09 0.02 0.01 99.82 01:20:01 1 0.44 0.00 0.07 0.00 0.01 99.48 01:30:20 all 0.31 0.00 0.16 0.01 0.01 99.50 01:30:20 0 0.49 0.00 0.16 0.00 0.01 99.34 01:30:20 1 0.14 0.00 0.17 0.01 0.02 99.66 01:40:20 all 0.27 0.00 0.08 0.01 0.01 99.63 01:40:20 0 0.07 0.00 0.10 0.02 0.02 99.80 01:40:20 1 0.47 0.00 0.06 0.01 0.01 99.45 01:50:01 all 0.24 0.00 0.08 0.03 0.01 99.64 01:50:01 0 0.33 0.00 0.07 0.01 0.01 99.58 01:50:01 1 0.15 0.00 0.09 0.05 0.01 99.69 Average: all 0.37 0.00 0.15 0.04 0.01 99.43 Average: 0 0.36 0.00 0.16 0.03 0.01 99.44 Average: 1 0.38 0.00 0.13 0.05 0.01 99.43