---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-956 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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: 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 8.0G 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 754 5191 4 2289 7187 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:f3:c0:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 73569sec preferred_lft 73569sec inet6 fe80::f816:3eff:fef3:c048/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-956) 09/07/26 _x86_64_ (2 CPU) 02:37:53 LINUX RESTART (2 CPU) 02:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 28.18 1.47 10.88 15.83 122.61 1947.03 108658.98 03:00:34 1.43 0.01 1.40 0.02 0.05 17.27 1.77 03:10:04 1.08 0.00 1.08 0.00 0.00 13.25 0.00 03:20:01 1.40 0.02 1.38 0.00 0.62 16.61 0.05 03:30:34 2.21 0.31 1.89 0.02 40.87 103.52 0.43 03:40:34 1.31 0.00 1.31 0.00 0.00 15.37 0.00 03:50:01 1.30 0.00 1.30 0.00 0.00 15.46 0.00 04:00:04 1.36 0.00 1.34 0.01 0.00 16.50 0.28 04:10:34 1.21 0.00 1.21 0.00 0.00 14.68 0.00 04:20:01 1.20 0.00 1.20 0.00 0.00 14.71 0.00 04:30:34 1.47 0.00 1.46 0.01 0.00 17.61 0.27 04:40:04 1.21 0.00 1.21 0.00 0.00 14.82 0.00 04:50:34 1.26 0.00 1.26 0.00 0.00 16.14 0.00 05:00:04 1.38 0.00 1.36 0.01 0.00 17.39 0.29 05:10:34 1.20 0.00 1.20 0.00 0.00 15.39 0.00 05:20:34 1.28 0.00 1.28 0.00 0.00 16.23 0.00 05:30:34 1.45 0.00 1.44 0.01 0.00 18.51 0.24 05:40:04 1.19 0.00 1.19 0.00 0.00 15.09 0.00 05:50:01 1.22 0.00 1.22 0.00 0.00 15.45 0.00 06:00:34 1.42 0.00 1.40 0.01 0.00 17.81 0.27 06:10:34 3.32 0.06 2.63 0.63 2.15 106.57 1733.88 Average: 2.70 0.09 1.83 0.77 7.91 114.91 5157.43 02:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 5278416 7454096 313040 3.85 87300 2249856 558100 6.08 529940 2022160 144 03:00:34 5265324 7441516 325316 4.00 87472 2250192 558120 6.08 529892 2022676 176 03:10:04 5265084 7441732 325088 4.00 87600 2250516 558324 6.08 529988 2023132 248 03:20:01 5266420 7443712 323104 3.97 87756 2251020 558272 6.08 530204 2023672 160 03:30:34 5211900 7428616 337632 4.15 88232 2289844 758784 8.26 548504 2052760 124 03:40:34 5211900 7429096 337152 4.15 88388 2290172 758784 8.26 548568 2053244 172 03:50:01 5223524 7441160 325080 4.00 88504 2290504 758784 8.26 548568 2053684 216 04:00:04 5222036 7440132 326040 4.01 88632 2290824 758784 8.26 548476 2054140 220 04:10:34 5224924 7443452 322724 3.97 88740 2291148 758784 8.26 548480 2054572 124 04:20:01 5223664 7442788 323384 3.98 88876 2291608 758784 8.26 548744 2055040 160 04:30:34 5216200 7435780 330400 4.06 89000 2291932 758848 8.27 552172 2055488 176 04:40:04 5221776 7441820 324392 3.99 89140 2292256 758912 8.27 552348 2055952 240 04:50:34 5221524 7442056 324156 3.99 89292 2292592 758912 8.27 552352 2056440 160 05:00:04 5205508 7426620 339504 4.17 89416 2293044 759120 8.27 552552 2056888 280 05:10:34 5208832 7430388 335704 4.13 89528 2293368 759184 8.27 552592 2057324 124 05:20:34 5208580 7430596 335472 4.13 89660 2293700 759184 8.27 552476 2057780 176 05:30:34 5204528 7427036 339052 4.17 89800 2294028 759184 8.27 552492 2058256 180 05:40:04 5205204 7428160 337928 4.16 89928 2294348 759184 8.27 552632 2058704 216 05:50:01 5204700 7428252 337872 4.15 90060 2294804 759184 8.27 552804 2059164 240 06:00:34 5222948 7446972 319128 3.92 90196 2295132 759184 8.27 552836 2059628 124 06:10:34 5345200 7378832 396212 4.87 91452 2111500 846608 9.22 635360 1877072 24484 Average: 5231342 7434420 332304 4.09 88999 2275828 724906 7.90 551047 2041323 1340 02:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:50:01 ens3 9.34 6.19 36.74 1.86 0.00 0.00 0.00 0.00 03:00:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:34 ens3 0.85 0.17 0.11 0.06 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 0.66 0.14 0.06 0.04 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.73 0.16 0.07 0.03 0.00 0.00 0.00 0.00 03:30:34 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:30:34 ens3 0.98 0.37 3.21 0.08 0.00 0.00 0.00 0.00 03:40:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:34 ens3 0.60 0.12 0.05 0.02 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 0.83 0.17 0.10 0.05 0.00 0.00 0.00 0.00 04:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:04 ens3 0.69 0.14 0.08 0.04 0.00 0.00 0.00 0.00 04:10:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:34 ens3 0.63 0.13 0.06 0.02 0.00 0.00 0.00 0.00 04:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:01 ens3 0.64 0.14 0.06 0.02 0.00 0.00 0.00 0.00 04:30:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:34 ens3 0.63 0.14 0.06 0.02 0.00 0.00 0.00 0.00 04:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:40:04 ens3 0.74 0.16 0.09 0.04 0.00 0.00 0.00 0.00 04:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:34 ens3 0.80 0.17 0.12 0.07 0.00 0.00 0.00 0.00 05:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:04 ens3 0.80 0.18 0.12 0.07 0.00 0.00 0.00 0.00 05:10:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:34 ens3 0.76 0.16 0.09 0.04 0.00 0.00 0.00 0.00 05:20:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:34 ens3 0.64 0.12 0.06 0.02 0.00 0.00 0.00 0.00 05:30:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:34 ens3 0.65 0.12 0.06 0.02 0.00 0.00 0.00 0.00 05:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:04 ens3 0.73 0.15 0.07 0.03 0.00 0.00 0.00 0.00 05:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:01 ens3 0.79 0.15 0.10 0.05 0.00 0.00 0.00 0.00 06:00:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:34 ens3 0.80 0.17 0.09 0.04 0.00 0.00 0.00 0.00 06:10:34 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 06:10:34 ens3 6.46 5.16 8.25 3.54 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.41 0.68 2.34 0.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-956) 09/07/26 _x86_64_ (2 CPU) 02:37:53 LINUX RESTART (2 CPU) 02:40:11 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 6.46 0.00 1.09 0.48 0.01 91.95 02:50:01 0 8.37 0.00 1.15 0.49 0.01 89.98 02:50:01 1 4.56 0.00 1.04 0.48 0.01 93.91 03:00:34 all 0.28 0.00 0.16 0.02 0.00 99.53 03:00:34 0 0.48 0.00 0.15 0.03 0.00 99.34 03:00:34 1 0.09 0.00 0.17 0.00 0.01 99.73 03:10:04 all 0.22 0.00 0.08 0.01 0.00 99.69 03:10:04 0 0.39 0.00 0.05 0.01 0.00 99.55 03:10:04 1 0.05 0.00 0.10 0.00 0.01 99.84 03:20:01 all 0.27 0.00 0.09 0.01 0.01 99.63 03:20:01 0 0.29 0.00 0.09 0.01 0.01 99.60 03:20:01 1 0.25 0.00 0.09 0.00 0.01 99.66 03:30:34 all 0.43 0.00 0.20 0.04 0.01 99.32 03:30:34 0 0.42 0.00 0.20 0.05 0.01 99.31 03:30:34 1 0.44 0.00 0.20 0.02 0.01 99.33 03:40:34 all 0.24 0.00 0.08 0.02 0.01 99.65 03:40:34 0 0.29 0.00 0.06 0.02 0.01 99.62 03:40:34 1 0.20 0.00 0.10 0.02 0.01 99.67 03:50:01 all 0.26 0.00 0.07 0.01 0.01 99.66 03:50:01 0 0.45 0.00 0.04 0.01 0.01 99.50 03:50:01 1 0.06 0.00 0.11 0.01 0.01 99.82 04:00:04 all 0.29 0.00 0.15 0.01 0.00 99.55 04:00:04 0 0.49 0.00 0.12 0.02 0.00 99.37 04:00:04 1 0.08 0.00 0.18 0.00 0.00 99.74 04:10:34 all 0.24 0.00 0.07 0.01 0.00 99.68 04:10:34 0 0.44 0.00 0.04 0.01 0.00 99.52 04:10:34 1 0.05 0.00 0.11 0.00 0.00 99.84 04:20:01 all 0.26 0.00 0.08 0.01 0.01 99.66 04:20:01 0 0.46 0.00 0.04 0.01 0.00 99.48 04:20:01 1 0.05 0.00 0.11 0.00 0.01 99.83 04:30:34 all 0.30 0.00 0.17 0.01 0.00 99.52 04:30:34 0 0.24 0.00 0.17 0.02 0.00 99.57 04:30:34 1 0.35 0.00 0.17 0.00 0.00 99.48 04:30:34 CPU %user %nice %system %iowait %steal %idle 04:40:04 all 0.26 0.00 0.09 0.01 0.00 99.64 04:40:04 0 0.20 0.00 0.08 0.01 0.00 99.70 04:40:04 1 0.33 0.00 0.10 0.00 0.00 99.57 04:50:34 all 0.25 0.00 0.08 0.01 0.00 99.66 04:50:34 0 0.19 0.00 0.08 0.02 0.00 99.71 04:50:34 1 0.31 0.00 0.08 0.00 0.00 99.61 05:00:04 all 0.28 0.00 0.18 0.01 0.01 99.52 05:00:04 0 0.18 0.00 0.18 0.02 0.01 99.61 05:00:04 1 0.38 0.00 0.18 0.00 0.01 99.43 05:10:34 all 0.29 0.00 0.09 0.01 0.01 99.61 05:10:34 0 0.38 0.00 0.06 0.02 0.00 99.54 05:10:34 1 0.19 0.00 0.12 0.00 0.01 99.67 05:20:34 all 0.26 0.00 0.09 0.01 0.00 99.63 05:20:34 0 0.43 0.00 0.06 0.01 0.00 99.49 05:20:34 1 0.09 0.00 0.13 0.01 0.01 99.77 05:30:34 all 0.31 0.00 0.18 0.01 0.01 99.49 05:30:34 0 0.52 0.00 0.15 0.03 0.00 99.30 05:30:34 1 0.10 0.00 0.22 0.00 0.01 99.67 05:40:04 all 0.28 0.00 0.09 0.01 0.01 99.61 05:40:04 0 0.49 0.00 0.06 0.01 0.00 99.45 05:40:04 1 0.07 0.00 0.13 0.01 0.01 99.78 05:50:01 all 0.27 0.00 0.08 0.01 0.01 99.64 05:50:01 0 0.46 0.00 0.06 0.01 0.01 99.46 05:50:01 1 0.07 0.00 0.10 0.01 0.01 99.81 06:00:34 all 0.26 0.00 0.16 0.02 0.00 99.57 06:00:34 0 0.26 0.00 0.15 0.02 0.00 99.56 06:00:34 1 0.26 0.00 0.16 0.01 0.00 99.57 06:10:34 all 2.09 0.00 0.35 0.06 0.01 97.49 06:10:34 0 3.14 0.00 0.37 0.11 0.01 96.37 06:10:34 1 1.04 0.00 0.33 0.01 0.01 98.61 Average: all 0.65 0.00 0.17 0.04 0.01 99.13 Average: 0 0.88 0.00 0.16 0.04 0.01 98.91 Average: 1 0.43 0.00 0.19 0.03 0.01 99.35