---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32471 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 766 5202 4 2265 7175 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:6f:25:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81635sec preferred_lft 81635sec inet6 fe80::f816:3eff:fe6f:2575/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32471) 07/03/26 _x86_64_ (2 CPU) 00:38:10 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.94 0.28 1.64 0.02 33.26 76.41 0.71 01:00:11 1.65 0.01 1.62 0.02 0.05 19.46 0.80 01:10:01 1.29 0.00 1.29 0.00 0.00 15.17 0.00 01:20:01 1.32 0.00 1.32 0.00 0.01 15.65 0.00 01:30:11 1.56 0.00 1.54 0.02 0.00 19.41 0.29 01:40:01 1.33 0.00 1.33 0.00 0.00 16.37 221.78 01:50:01 1.28 0.00 1.28 0.00 0.00 15.61 0.00 Average: 1.48 0.04 1.43 0.01 4.76 25.46 31.38 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6243456 7516804 303060 3.73 30732 1448136 520152 5.67 454368 1200656 144 01:00:11 6249788 7523732 296112 3.64 30952 1448468 520248 5.67 454600 1201208 124 01:10:01 6254472 7528904 290940 3.58 31112 1448792 521744 5.68 456180 1201692 120 01:20:01 6251952 7526888 292980 3.60 31284 1449120 521900 5.68 456516 1202192 240 01:30:11 6241216 7516772 302956 3.73 31492 1449524 604272 6.58 465724 1202732 244 01:40:01 6241216 7517268 302556 3.72 31656 1449840 549232 5.98 462508 1203220 124 01:50:01 6248524 7525192 294628 3.62 31816 1450292 549308 5.98 464224 1203704 128 Average: 6247232 7522223 297605 3.66 31292 1449167 540979 5.89 459160 1202201 161 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.28 0.55 3.53 0.09 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.54 0.09 0.09 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.77 0.14 0.23 0.13 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 0.52 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.45 0.24 0.08 0.71 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.36 0.08 0.10 0.05 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 0.29 0.08 0.08 0.04 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 0.89 0.18 0.60 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32471) 07/03/26 _x86_64_ (2 CPU) 00:38:10 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.40 0.00 0.10 0.10 0.02 99.37 00:50:01 0 0.29 0.00 0.12 0.09 0.02 99.48 00:50:01 1 0.52 0.00 0.09 0.11 0.02 99.26 01:00:11 all 0.30 0.00 0.17 0.02 0.02 99.48 01:00:11 0 0.30 0.00 0.18 0.05 0.02 99.45 01:00:11 1 0.30 0.00 0.16 0.00 0.03 99.52 01:10:01 all 0.29 0.00 0.07 0.04 0.02 99.58 01:10:01 0 0.19 0.00 0.09 0.06 0.03 99.63 01:10:01 1 0.39 0.00 0.06 0.01 0.02 99.53 01:20:01 all 0.25 0.00 0.07 0.02 0.02 99.64 01:20:01 0 0.12 0.00 0.08 0.00 0.03 99.77 01:20:01 1 0.37 0.00 0.07 0.03 0.02 99.51 01:30:11 all 0.23 0.00 0.18 0.03 0.02 99.54 01:30:11 0 0.13 0.00 0.19 0.01 0.02 99.64 01:30:11 1 0.34 0.00 0.17 0.04 0.02 99.43 01:40:01 all 0.27 0.00 0.06 0.04 0.02 99.61 01:40:01 0 0.25 0.00 0.06 0.01 0.02 99.65 01:40:01 1 0.29 0.00 0.06 0.07 0.02 99.56 01:50:01 all 0.19 0.00 0.07 0.02 0.02 99.70 01:50:01 0 0.34 0.00 0.05 0.00 0.02 99.59 01:50:01 1 0.04 0.00 0.08 0.05 0.03 99.80 Average: all 0.28 0.00 0.10 0.04 0.02 99.56 Average: 0 0.23 0.00 0.11 0.03 0.02 99.60 Average: 1 0.32 0.00 0.10 0.04 0.02 99.52