---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1015 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 771 5035 4 2435 7170 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:51:96:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81690sec preferred_lft 81690sec inet6 fe80::f816:3eff:fe51:96f5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1015) 08/01/26 _x86_64_ (2 CPU) 00:43:11 LINUX RESTART (2 CPU) 00:50:51 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:51 1.50 0.01 1.47 0.02 0.04 18.03 0.81 01:10:42 1.39 0.00 1.38 0.02 0.00 16.09 1.22 01:20:42 1.89 0.25 1.62 0.01 30.99 76.27 0.53 01:30:02 1.45 0.01 1.43 0.02 1.13 17.56 0.30 01:40:32 1.19 0.00 1.19 0.00 0.00 14.46 0.00 01:50:00 14.11 1.70 11.45 0.95 122.57 2320.44 207.63 02:00:01 11.69 1.25 9.01 1.43 109.56 1446.58 290.08 Average: 4.69 0.45 3.89 0.35 37.29 547.81 70.84 00:50:51 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:51 6225812 7534604 276572 3.40 34708 1471360 529928 5.77 440328 1235580 124 01:10:42 6225448 7534784 276388 3.40 34916 1471692 530064 5.77 441020 1236120 124 01:20:42 6186448 7523148 287524 3.54 35280 1498320 731088 7.96 456196 1254348 180 01:30:02 6207464 7544956 265692 3.27 35468 1498912 530404 5.78 451000 1254808 132 01:40:32 6215444 7553616 257032 3.16 35636 1499408 530468 5.78 451332 1255352 132 01:50:00 5381872 7382692 387940 4.77 75604 2087844 645564 7.03 600368 1867064 44720 02:00:01 5125376 7443104 311076 3.83 91300 2377080 567804 6.18 553424 2143084 4468 Average: 5938266 7502415 294603 3.62 48987 1700659 580760 6.33 484810 1463765 7126 00:50:51 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:51 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:51 ens3 1.05 0.08 0.14 0.04 0.00 0.00 0.00 0.00 01:10:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:42 ens3 1.48 0.07 0.23 0.05 0.00 0.00 0.00 0.00 01:20:42 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:42 ens3 1.96 0.69 3.50 0.67 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.77 0.08 0.14 0.04 0.00 0.00 0.00 0.00 01:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:32 ens3 0.93 0.11 0.18 0.07 0.00 0.00 0.00 0.00 01:50:00 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:00 ens3 44.62 26.86 293.97 6.52 0.00 0.00 0.00 0.00 02:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:01 ens3 48.01 39.28 70.80 9.79 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 13.95 9.52 51.13 2.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1015) 08/01/26 _x86_64_ (2 CPU) 00:43:11 LINUX RESTART (2 CPU) 00:50:51 CPU %user %nice %system %iowait %steal %idle 01:00:51 all 0.29 0.00 0.20 0.01 0.02 99.48 01:00:51 0 0.43 0.00 0.19 0.01 0.02 99.36 01:00:51 1 0.16 0.00 0.22 0.01 0.02 99.60 01:10:42 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:42 0 0.24 0.00 0.08 0.00 0.02 99.66 01:10:42 1 0.33 0.00 0.08 0.02 0.01 99.56 01:20:42 all 0.42 0.00 0.11 0.02 0.02 99.44 01:20:42 0 0.36 0.00 0.13 0.02 0.02 99.47 01:20:42 1 0.48 0.00 0.08 0.02 0.02 99.41 01:30:02 all 0.27 0.00 0.16 0.01 0.02 99.54 01:30:02 0 0.07 0.00 0.18 0.00 0.02 99.73 01:30:02 1 0.47 0.00 0.14 0.02 0.01 99.36 01:40:32 all 0.22 0.00 0.07 0.01 0.01 99.69 01:40:32 0 0.05 0.00 0.09 0.00 0.02 99.85 01:40:32 1 0.40 0.00 0.05 0.01 0.01 99.53 01:50:00 all 6.62 0.00 0.95 0.32 0.03 92.08 01:50:00 0 5.70 0.00 0.87 0.10 0.03 93.30 01:50:00 1 7.54 0.00 1.03 0.53 0.03 90.86 02:00:01 all 12.80 0.00 1.23 0.19 0.06 85.73 02:00:01 0 13.02 0.00 1.29 0.20 0.05 85.43 02:00:01 1 12.58 0.00 1.17 0.18 0.06 86.02 Average: all 2.97 0.00 0.40 0.08 0.02 96.53 Average: 0 2.83 0.00 0.40 0.05 0.02 96.70 Average: 1 3.11 0.00 0.39 0.11 0.02 96.36