---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32737 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 768 5199 4 2265 7173 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:bb:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82314sec preferred_lft 82314sec inet6 fe80::f816:3eff:fe2c:bbc7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32737) 07/04/26 _x86_64_ (2 CPU) 00:41:10 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:28 1.45 0.01 1.43 0.01 0.05 17.69 417.65 01:10:38 1.23 0.00 1.21 0.02 0.00 14.82 0.97 01:20:01 1.26 0.00 1.24 0.02 0.01 15.36 1.16 01:30:00 14.62 0.26 1.76 12.60 32.23 79.16 110030.50 01:40:01 1.21 0.00 1.20 0.02 0.00 15.10 1.09 Average: 3.95 0.05 1.37 2.53 6.45 28.42 22056.24 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:28 6288124 7535348 284764 3.50 30704 1422372 530052 5.77 447904 1183732 216 01:10:38 6290080 7537852 282256 3.47 30916 1422704 530212 5.78 448100 1184276 220 01:20:01 6290548 7538824 281312 3.46 31112 1423008 530356 5.78 448748 1184776 240 01:30:00 6245568 7521420 298208 3.67 31516 1449784 530424 5.78 457784 1202852 132 01:40:01 6245320 7521820 297788 3.66 31708 1450248 530552 5.78 458256 1203368 320 Average: 6271928 7531053 288866 3.55 31191 1433623 530319 5.78 452158 1191801 226 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:28 ens3 0.62 0.09 0.10 0.03 0.00 0.00 0.00 0.00 01:10:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:38 ens3 0.94 0.06 3.61 0.03 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 0.66 0.13 0.70 0.10 0.00 0.00 0.00 0.00 01:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.58 0.25 3.23 0.05 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 0.67 0.27 0.18 0.71 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 0.69 0.16 1.57 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32737) 07/04/26 _x86_64_ (2 CPU) 00:41:10 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:28 all 0.28 0.00 0.15 0.01 0.04 99.52 01:00:28 0 0.06 0.00 0.16 0.02 0.04 99.71 01:00:28 1 0.50 0.00 0.14 0.00 0.03 99.33 01:10:38 all 0.23 0.00 0.07 0.01 0.04 99.65 01:10:38 0 0.04 0.00 0.07 0.01 0.04 99.83 01:10:38 1 0.42 0.00 0.06 0.01 0.03 99.48 01:20:01 all 0.25 0.00 0.07 0.01 0.03 99.63 01:20:01 0 0.06 0.00 0.09 0.02 0.04 99.80 01:20:01 1 0.44 0.00 0.05 0.00 0.03 99.47 01:30:00 all 0.39 0.00 0.20 0.04 0.03 99.33 01:30:00 0 0.25 0.00 0.23 0.05 0.04 99.43 01:30:00 1 0.53 0.00 0.16 0.04 0.03 99.24 01:40:01 all 0.27 0.00 0.07 0.01 0.03 99.62 01:40:01 0 0.19 0.00 0.08 0.01 0.03 99.69 01:40:01 1 0.35 0.00 0.06 0.02 0.03 99.54 Average: all 0.28 0.00 0.11 0.02 0.03 99.55 Average: 0 0.12 0.00 0.13 0.02 0.04 99.69 Average: 1 0.45 0.00 0.10 0.01 0.03 99.41