---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38006 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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: 5600.00 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 Indirect target selection: 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 Tsa: 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 755 5120 4 2358 7186 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:ff:26:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81299sec preferred_lft 81299sec inet6 fe80::f816:3eff:feff:26e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38006) 08/16/26 _x86_64_ (2 CPU) 00:09:29 LINUX RESTART (2 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 2.63 0.74 1.86 0.03 95.56 87.28 485.43 00:30:00 1.46 0.01 1.42 0.02 1.11 17.46 2.63 00:40:16 26.22 2.76 21.21 2.25 218.42 3353.28 835.87 00:50:00 1.23 0.00 1.21 0.02 0.00 20.79 1.70 01:00:16 1.78 0.01 1.73 0.04 0.58 24.87 4.18 01:10:15 1.40 0.00 1.38 0.02 0.00 132.94 398.14 01:20:00 1.34 0.00 1.33 0.01 0.00 33.79 0.62 01:30:16 15.46 0.00 1.65 13.81 0.14 25.40 103433.71 Average: 6.56 0.45 4.03 2.07 40.09 471.69 13456.16 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 6220756 7495808 324376 3.99 31152 1449496 716880 7.81 462192 1202048 184 00:30:00 6240132 7516068 304156 3.74 31340 1450148 530356 5.78 457008 1202576 168 00:40:16 5155160 7364916 402256 4.95 86308 2283600 655256 7.14 608560 2045492 196 00:50:00 5159604 7371496 395668 4.87 86464 2285580 647992 7.06 592456 2047628 172 01:00:16 5170508 7384452 382616 4.70 86660 2287440 667212 7.27 612308 2049436 236 01:10:15 5113440 7364016 402888 4.95 86820 2323756 671064 7.31 615452 2085912 1484 01:20:00 5083376 7338320 428552 5.27 86972 2327912 690440 7.52 634556 2090220 160 01:30:16 5058744 7315872 450864 5.54 87124 2329900 690228 7.52 634448 2092332 120 Average: 5400215 7393868 386422 4.75 72855 2092229 658678 7.17 577122 1851956 340 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:20:01 ens3 1.05 0.24 3.46 0.06 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.50 0.09 0.14 0.07 0.00 0.00 0.00 0.00 00:40:16 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:16 ens3 71.36 49.06 340.24 12.20 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 22.63 19.91 230.14 1.72 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 7.27 6.00 32.50 0.72 0.00 0.00 0.00 0.00 01:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 18.53 14.88 157.93 1.79 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 17.25 15.45 145.47 1.66 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 13.99 13.46 136.79 1.21 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 19.19 14.95 130.86 2.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38006) 08/16/26 _x86_64_ (2 CPU) 00:09:29 LINUX RESTART (2 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 0.43 0.00 0.23 0.03 0.05 99.26 00:20:01 0 0.34 0.00 0.25 0.03 0.06 99.32 00:20:01 1 0.51 0.00 0.21 0.04 0.04 99.20 00:30:00 all 0.27 0.00 0.16 0.01 0.05 99.52 00:30:00 0 0.17 0.00 0.17 0.01 0.05 99.61 00:30:00 1 0.36 0.00 0.16 0.01 0.05 99.43 00:40:16 all 11.77 0.00 1.76 0.53 0.07 85.88 00:40:16 0 8.56 0.00 1.49 0.54 0.07 89.34 00:40:16 1 14.97 0.00 2.02 0.52 0.07 82.41 00:50:00 all 0.93 0.00 0.26 0.01 0.09 98.71 00:50:00 0 1.19 0.00 0.31 0.01 0.10 98.39 00:50:00 1 0.68 0.00 0.22 0.00 0.08 99.02 01:00:16 all 1.60 0.00 0.50 0.01 0.08 97.81 01:00:16 0 1.35 0.00 0.37 0.02 0.09 98.18 01:00:16 1 1.87 0.00 0.64 0.01 0.07 97.42 01:10:15 all 2.05 0.00 0.44 0.01 0.09 97.41 01:10:15 0 1.96 0.00 0.52 0.01 0.07 97.44 01:10:15 1 2.13 0.00 0.37 0.01 0.11 97.39 01:20:00 all 1.56 0.00 0.32 0.01 0.09 98.02 01:20:00 0 0.97 0.00 0.23 0.00 0.07 98.73 01:20:00 1 2.16 0.00 0.41 0.02 0.12 97.30 01:30:16 all 0.96 0.00 0.32 0.03 0.10 98.59 01:30:16 0 1.26 0.00 0.41 0.01 0.12 98.20 01:30:16 1 0.65 0.00 0.24 0.05 0.07 98.99 Average: all 2.48 0.00 0.50 0.08 0.08 96.85 Average: 0 2.00 0.00 0.47 0.08 0.08 97.37 Average: 1 2.97 0.00 0.54 0.08 0.07 96.34