---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22066 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 753 5219 4 2260 7188 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:2d:61:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81455sec preferred_lft 81455sec inet6 fe80::f816:3eff:fe2d:6121/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22066) 06/01/26 _x86_64_ (2 CPU) 00:40:29 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 1.67 0.01 1.63 0.03 1.08 19.25 427.00 01:10:14 14.13 0.00 1.48 12.65 0.15 17.19 109884.06 01:20:18 1.41 0.00 1.39 0.02 0.01 16.09 1.19 01:30:19 1.61 0.00 1.58 0.03 0.00 19.21 436.51 01:40:06 1.90 0.41 1.48 0.02 16.18 49.99 1.25 01:50:21 22.41 2.56 17.65 2.20 206.93 3278.96 789.66 02:00:21 1.48 0.00 1.46 0.02 0.00 24.27 0.97 Average: 6.42 0.43 3.86 2.13 32.62 499.08 15765.83 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 6254372 7527604 292360 3.59 30920 1447804 530068 5.77 452712 1200820 124 01:10:14 6256232 7530048 289864 3.56 31128 1448180 530276 5.78 454088 1201368 160 01:20:18 6255252 7529604 290304 3.57 31324 1448512 530416 5.78 454672 1201896 180 01:30:19 6265628 7540524 279340 3.43 31528 1448836 530532 5.78 454948 1202428 184 01:40:06 6222924 7513128 306412 3.77 31892 1463604 603080 6.57 487668 1215924 208 01:50:21 5182252 7374884 392808 4.83 86508 2266980 644456 7.02 600984 2029892 160 02:00:21 5153824 7348452 419244 5.16 86640 2268880 653100 7.11 601548 2031908 224 Average: 5941498 7480606 324333 3.99 47134 1684685 574561 6.26 500946 1440605 177 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.51 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.56 0.08 0.14 0.05 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.54 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.73 0.17 0.12 0.64 0.00 0.00 0.00 0.00 01:40:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 12.20 4.92 20.67 2.77 0.00 0.00 0.00 0.00 01:50:21 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:21 ens3 58.84 42.58 300.76 8.80 0.00 0.00 0.00 0.00 02:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:21 ens3 10.10 9.04 107.04 0.91 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 12.06 8.24 62.06 1.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22066) 06/01/26 _x86_64_ (2 CPU) 00:40:29 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:18 0 0.13 0.00 0.17 0.00 0.03 99.66 01:00:18 1 0.44 0.00 0.16 0.02 0.03 99.35 01:10:14 all 0.30 0.00 0.09 0.03 0.03 99.55 01:10:14 0 0.12 0.00 0.11 0.05 0.03 99.68 01:10:14 1 0.47 0.00 0.06 0.02 0.03 99.43 01:20:18 all 0.25 0.00 0.07 0.01 0.03 99.63 01:20:18 0 0.07 0.00 0.09 0.01 0.04 99.79 01:20:18 1 0.43 0.00 0.05 0.00 0.02 99.48 01:30:19 all 0.29 0.00 0.17 0.02 0.03 99.50 01:30:19 0 0.25 0.00 0.17 0.02 0.04 99.52 01:30:19 1 0.33 0.00 0.16 0.01 0.03 99.47 01:40:06 all 0.43 0.00 0.10 0.02 0.03 99.42 01:40:06 0 0.33 0.00 0.12 0.03 0.03 99.49 01:40:06 1 0.53 0.00 0.09 0.01 0.03 99.34 01:50:21 all 11.28 0.00 1.66 0.59 0.07 86.41 01:50:21 0 8.85 0.00 1.50 0.82 0.07 88.75 01:50:21 1 13.71 0.00 1.81 0.36 0.06 84.06 02:00:21 all 0.86 0.00 0.29 0.01 0.06 98.78 02:00:21 0 1.01 0.00 0.26 0.01 0.05 98.67 02:00:21 1 0.71 0.00 0.32 0.01 0.07 98.89 Average: all 1.99 0.00 0.37 0.10 0.04 97.51 Average: 0 1.56 0.00 0.35 0.14 0.04 97.91 Average: 1 2.41 0.00 0.38 0.06 0.04 97.10