---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-961 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 751 5192 4 2291 7190 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:4d:b4:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 73566sec preferred_lft 73566sec inet6 fe80::f816:3eff:fe4d:b442/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-961) 09/07/26 _x86_64_ (2 CPU) 02:38:27 LINUX RESTART (2 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:12 18.57 1.48 15.28 1.82 124.14 2705.25 952.63 03:00:01 1.40 0.01 1.38 0.02 0.05 17.63 5.45 03:10:01 1.15 0.00 1.15 0.00 0.00 14.44 0.00 03:20:12 1.73 0.32 1.40 0.01 42.32 101.91 0.17 03:30:01 15.84 0.00 1.36 14.48 0.15 17.67 108253.91 03:40:01 1.14 0.00 1.14 0.00 0.00 14.41 0.00 03:50:12 1.16 0.00 1.16 0.00 0.00 14.68 0.00 04:00:12 1.39 0.00 1.37 0.02 0.00 17.48 0.25 04:10:12 1.20 0.00 1.20 0.00 0.00 14.53 0.00 04:20:12 1.26 0.00 1.26 0.00 0.00 15.51 0.00 04:30:12 1.46 0.00 1.45 0.01 0.00 17.91 0.25 04:40:12 1.17 0.00 1.17 0.00 0.00 14.83 0.00 04:50:12 1.24 0.00 1.24 0.00 0.00 15.80 0.00 05:00:12 1.47 0.00 1.46 0.01 0.00 19.13 0.25 05:10:01 1.20 0.00 1.20 0.00 0.00 15.20 0.00 05:20:12 1.24 0.00 1.24 0.00 0.00 15.54 0.00 05:30:01 1.43 0.00 1.42 0.01 0.00 18.39 0.26 05:40:01 1.22 0.00 1.22 0.00 0.00 15.33 0.00 05:50:12 1.27 0.00 1.27 0.00 0.00 15.74 0.00 06:00:01 1.44 0.00 1.43 0.02 0.00 18.48 0.26 06:10:02 1.35 0.00 1.35 0.00 0.48 19.17 0.00 Average: 2.83 0.09 1.97 0.77 8.11 151.01 5109.78 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:12 5259604 7435760 331800 4.08 87244 2250108 566184 6.17 535456 2022200 228 03:00:01 5248540 7425172 342152 4.21 87392 2250440 566264 6.17 535664 2022680 184 03:10:01 5248292 7425392 341932 4.20 87540 2250760 566420 6.17 535704 2023148 248 03:20:12 5201052 7417272 349700 4.30 87948 2289452 766896 8.35 553796 2052164 240 03:30:01 5211444 7428348 338488 4.16 88104 2289960 766896 8.35 554072 2052672 288 03:40:01 5217980 7435348 331488 4.08 88244 2290284 766896 8.35 553940 2053136 240 03:50:12 5225820 7443652 323184 3.97 88384 2290608 766960 8.35 554128 2053600 124 04:00:12 5214800 7433084 333768 4.10 88488 2290940 766960 8.35 554184 2054036 128 04:10:12 5219616 7438320 328536 4.04 88588 2291260 766952 8.35 554180 2054456 124 04:20:12 5232528 7451828 315024 3.87 88724 2291720 766952 8.35 554316 2054924 128 04:30:12 5207616 7427384 339412 4.17 88860 2292048 766960 8.35 554348 2055388 124 04:40:12 5223032 7443244 323556 3.98 88976 2292376 767088 8.36 554440 2055832 208 04:50:12 5227868 7448544 318232 3.91 89112 2292704 767152 8.36 554516 2056296 228 05:00:12 5217908 7439076 327700 4.03 89280 2293024 767152 8.36 554436 2056784 124 05:10:01 5217152 7438888 327884 4.03 89388 2293484 767296 8.36 554608 2057224 240 05:20:12 5216436 7438632 328136 4.03 89516 2293808 767296 8.36 554724 2057676 208 05:30:01 5218088 7440732 326020 4.01 89640 2294136 767296 8.36 554724 2058120 156 05:40:01 5222648 7445736 321020 3.95 89740 2294464 767296 8.36 554756 2058556 244 05:50:12 5224968 7448508 318240 3.91 89864 2294788 767360 8.36 554788 2059004 208 06:00:01 5212132 7436284 330404 4.06 90012 2295244 767360 8.36 554944 2059480 244 06:10:02 5178176 7403568 363100 4.46 90144 2296332 840152 9.15 598960 2060700 860 Average: 5221224 7435465 331418 4.08 88818 2286569 741895 8.08 553842 2051337 227 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:12 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 02:50:12 ens3 18.44 12.32 141.24 2.73 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.87 0.19 0.12 0.06 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.65 0.12 0.06 0.02 0.00 0.00 0.00 0.00 03:20:12 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:20:12 ens3 1.03 0.39 3.26 0.04 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.79 0.18 0.13 0.08 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.60 0.11 0.05 0.02 0.00 0.00 0.00 0.00 03:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:12 ens3 0.81 0.16 0.10 0.05 0.00 0.00 0.00 0.00 04:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:12 ens3 0.72 0.15 0.08 0.04 0.00 0.00 0.00 0.00 04:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:12 ens3 0.64 0.13 0.06 0.02 0.00 0.00 0.00 0.00 04:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:12 ens3 0.63 0.13 0.06 0.02 0.00 0.00 0.00 0.00 04:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:12 ens3 0.62 0.13 0.06 0.02 0.00 0.00 0.00 0.00 04:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:40:12 ens3 0.73 0.16 0.09 0.04 0.00 0.00 0.00 0.00 04:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:12 ens3 0.83 0.17 0.13 0.07 0.00 0.00 0.00 0.00 05:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:12 ens3 0.82 0.18 0.12 0.06 0.00 0.00 0.00 0.00 05:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:01 ens3 0.75 0.15 0.09 0.04 0.00 0.00 0.00 0.00 05:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:12 ens3 0.67 0.14 0.06 0.02 0.00 0.00 0.00 0.00 05:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 0.67 0.15 0.06 0.02 0.00 0.00 0.00 0.00 05:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:01 ens3 0.70 0.13 0.06 0.02 0.00 0.00 0.00 0.00 05:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:12 ens3 0.79 0.16 0.10 0.05 0.00 0.00 0.00 0.00 06:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:01 ens3 0.81 0.18 0.09 0.05 0.00 0.00 0.00 0.00 06:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:02 ens3 3.56 2.71 0.82 1.92 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 1.74 0.88 7.12 0.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-961) 09/07/26 _x86_64_ (2 CPU) 02:38:27 LINUX RESTART (2 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:12 all 8.12 0.00 1.35 0.37 0.01 90.15 02:50:12 0 8.73 0.00 1.41 0.35 0.01 89.49 02:50:12 1 7.50 0.00 1.29 0.38 0.01 90.80 03:00:01 all 0.30 0.00 0.19 0.01 0.01 99.49 03:00:01 0 0.34 0.00 0.18 0.01 0.01 99.47 03:00:01 1 0.27 0.00 0.21 0.00 0.01 99.51 03:10:01 all 0.27 0.00 0.07 0.01 0.00 99.65 03:10:01 0 0.48 0.00 0.03 0.01 0.00 99.47 03:10:01 1 0.06 0.00 0.11 0.01 0.01 99.82 03:20:12 all 0.41 0.00 0.12 0.02 0.00 99.44 03:20:12 0 0.49 0.00 0.06 0.02 0.00 99.42 03:20:12 1 0.34 0.00 0.18 0.02 0.01 99.45 03:30:01 all 0.29 0.00 0.19 0.04 0.01 99.47 03:30:01 0 0.44 0.00 0.18 0.07 0.01 99.31 03:30:01 1 0.14 0.00 0.21 0.01 0.01 99.64 03:40:01 all 0.28 0.00 0.08 0.01 0.01 99.63 03:40:01 0 0.41 0.00 0.06 0.01 0.01 99.52 03:40:01 1 0.15 0.00 0.10 0.00 0.01 99.74 03:50:12 all 0.24 0.00 0.07 0.01 0.00 99.67 03:50:12 0 0.41 0.00 0.05 0.00 0.00 99.53 03:50:12 1 0.06 0.00 0.10 0.01 0.01 99.82 04:00:12 all 0.26 0.00 0.18 0.01 0.01 99.54 04:00:12 0 0.46 0.00 0.18 0.00 0.01 99.36 04:00:12 1 0.07 0.00 0.19 0.01 0.01 99.72 04:10:12 all 0.26 0.00 0.08 0.01 0.01 99.64 04:10:12 0 0.46 0.00 0.05 0.00 0.01 99.48 04:10:12 1 0.07 0.00 0.11 0.01 0.01 99.80 04:20:12 all 0.27 0.00 0.08 0.01 0.00 99.64 04:20:12 0 0.43 0.00 0.06 0.01 0.00 99.51 04:20:12 1 0.11 0.00 0.10 0.02 0.00 99.78 04:30:12 all 0.29 0.00 0.16 0.01 0.00 99.54 04:30:12 0 0.28 0.00 0.14 0.02 0.00 99.55 04:30:12 1 0.29 0.00 0.18 0.00 0.00 99.53 04:30:12 CPU %user %nice %system %iowait %steal %idle 04:40:12 all 0.25 0.00 0.12 0.01 0.01 99.62 04:40:12 0 0.34 0.00 0.11 0.01 0.01 99.53 04:40:12 1 0.15 0.00 0.14 0.00 0.01 99.71 04:50:12 all 0.28 0.00 0.11 0.01 0.00 99.59 04:50:12 0 0.40 0.00 0.08 0.01 0.00 99.51 04:50:12 1 0.17 0.00 0.15 0.00 0.01 99.67 05:00:12 all 0.28 0.00 0.19 0.01 0.00 99.51 05:00:12 0 0.08 0.00 0.21 0.02 0.01 99.69 05:00:12 1 0.49 0.00 0.17 0.00 0.00 99.34 05:10:01 all 0.22 0.00 0.11 0.01 0.01 99.65 05:10:01 0 0.05 0.00 0.12 0.02 0.01 99.81 05:10:01 1 0.39 0.00 0.11 0.00 0.01 99.49 05:20:12 all 0.26 0.00 0.12 0.01 0.00 99.62 05:20:12 0 0.06 0.00 0.14 0.02 0.00 99.78 05:20:12 1 0.45 0.00 0.09 0.00 0.00 99.46 05:30:01 all 0.26 0.00 0.19 0.01 0.01 99.54 05:30:01 0 0.26 0.00 0.20 0.02 0.01 99.52 05:30:01 1 0.26 0.00 0.18 0.01 0.01 99.55 05:40:01 all 0.26 0.00 0.10 0.01 0.00 99.63 05:40:01 0 0.47 0.00 0.06 0.01 0.00 99.45 05:40:01 1 0.06 0.00 0.13 0.01 0.01 99.80 05:50:12 all 0.25 0.00 0.11 0.01 0.01 99.62 05:50:12 0 0.44 0.00 0.09 0.01 0.00 99.46 05:50:12 1 0.06 0.00 0.13 0.01 0.01 99.79 06:00:01 all 0.27 0.00 0.22 0.01 0.00 99.49 06:00:01 0 0.48 0.00 0.20 0.01 0.00 99.31 06:00:01 1 0.07 0.00 0.24 0.01 0.01 99.68 06:10:02 all 0.83 0.00 0.14 0.01 0.01 99.01 06:10:02 0 0.43 0.00 0.12 0.02 0.00 99.43 06:10:02 1 1.22 0.00 0.17 0.00 0.01 98.60 Average: all 0.68 0.00 0.19 0.03 0.01 99.09 Average: 0 0.77 0.00 0.18 0.03 0.00 99.02 Average: 1 0.60 0.00 0.20 0.02 0.01 99.17