---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1114 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 8.1G 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 770 5048 4 2413 7171 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:91:7a:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79357sec preferred_lft 79357sec inet6 fe80::f816:3eff:fe91:7ad4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1114) 04/08/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 13.99 0.01 1.51 12.47 0.20 18.86 109351.09 01:10:05 2.00 0.32 1.65 0.03 40.07 73.43 1.45 01:20:01 1.39 0.00 1.38 0.01 0.01 15.89 0.36 01:30:05 1.46 0.00 1.44 0.02 0.00 17.65 648.39 01:40:05 1.53 0.35 1.18 0.00 13.79 33.95 0.01 01:50:01 22.47 2.69 17.54 2.24 215.93 3142.10 1161.40 02:00:05 1.52 0.00 1.51 0.02 0.00 19.19 0.25 02:10:05 1.31 0.00 1.30 0.01 0.00 106.66 0.05 02:20:01 1.40 0.00 1.37 0.03 0.00 258.77 0.25 02:30:05 1.71 0.00 1.67 0.03 0.00 46.56 0.44 Average: 4.87 0.34 3.04 1.49 26.83 370.81 11179.69 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6289888 7537004 283332 3.48 30708 1422284 519188 5.65 450964 1183484 216 01:10:05 6258028 7534224 285580 3.51 31104 1450596 519188 5.65 462556 1200816 184 01:20:01 6253828 7530552 289248 3.56 31296 1450924 524144 5.71 462600 1201336 240 01:30:05 6251308 7528568 291164 3.58 31480 1451252 524144 5.71 462636 1201848 180 01:40:05 6211740 7499748 319848 3.93 31692 1461680 560984 6.11 503816 1211084 360 01:50:01 5062552 7171300 600316 7.38 84920 2188216 839092 9.14 800908 1946568 244 02:00:05 5061112 7170428 601140 7.39 85064 2188648 757520 8.25 718496 1947136 260 02:10:05 5162620 7305040 466528 5.74 85220 2221596 743260 8.10 688208 1980240 5428 02:20:01 4980824 7199628 570796 7.02 85400 2296772 844404 9.20 788952 2055604 8016 02:30:05 4935000 7154600 615764 7.57 85576 2297392 862904 9.40 808148 2056264 256 Average: 5646690 7363109 432372 5.32 58246 1842936 669483 7.29 614728 1598438 1538 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.90 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.92 0.22 7.37 0.05 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 0.41 0.04 0.89 0.01 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.20 0.02 0.04 0.01 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 4.91 2.69 12.33 1.89 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 71.88 54.29 735.05 10.49 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 30.55 28.87 556.29 1.93 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 63.40 61.52 1220.72 4.05 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 19.53 19.12 406.21 1.30 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 18.17 17.65 346.50 1.18 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 21.04 18.42 328.17 2.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1114) 04/08/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.24 0.00 0.20 0.03 0.04 99.48 01:00:05 0 0.18 0.00 0.22 0.05 0.04 99.51 01:00:05 1 0.31 0.00 0.18 0.02 0.04 99.46 01:10:05 all 0.36 0.00 0.11 0.03 0.04 99.46 01:10:05 0 0.51 0.00 0.10 0.03 0.03 99.33 01:10:05 1 0.21 0.00 0.13 0.03 0.05 99.58 01:20:01 all 0.26 0.00 0.08 0.01 0.04 99.60 01:20:01 0 0.42 0.00 0.06 0.02 0.04 99.47 01:20:01 1 0.11 0.00 0.10 0.00 0.05 99.74 01:30:05 all 0.26 0.00 0.16 0.01 0.04 99.53 01:30:05 0 0.29 0.00 0.17 0.01 0.04 99.49 01:30:05 1 0.23 0.00 0.16 0.01 0.04 99.56 01:40:05 all 0.50 0.00 0.10 0.02 0.05 99.34 01:40:05 0 0.40 0.00 0.09 0.02 0.06 99.44 01:40:05 1 0.61 0.00 0.11 0.01 0.04 99.24 01:50:01 all 11.06 0.00 1.81 0.96 0.09 86.08 01:50:01 0 11.79 0.00 1.85 1.03 0.08 85.25 01:50:01 1 10.32 0.00 1.78 0.89 0.10 86.91 02:00:05 all 0.63 0.00 0.37 0.01 0.10 98.89 02:00:05 0 0.80 0.00 0.46 0.01 0.11 98.61 02:00:05 1 0.45 0.00 0.27 0.01 0.09 99.18 02:10:05 all 1.07 0.00 0.56 0.02 0.11 98.25 02:10:05 0 1.32 0.00 0.79 0.01 0.14 97.73 02:10:05 1 0.82 0.00 0.33 0.02 0.07 98.76 02:20:01 all 0.73 0.00 0.22 0.03 0.11 98.92 02:20:01 0 0.81 0.00 0.22 0.01 0.10 98.85 02:20:01 1 0.64 0.00 0.21 0.05 0.11 99.00 02:30:05 all 0.58 0.00 0.33 0.02 0.09 98.98 02:30:05 0 0.62 0.00 0.44 0.03 0.13 98.79 02:30:05 1 0.54 0.00 0.22 0.01 0.06 99.17 Average: all 1.56 0.00 0.39 0.11 0.07 97.87 Average: 0 1.71 0.00 0.44 0.12 0.08 97.66 Average: 1 1.41 0.00 0.35 0.10 0.06 98.07