---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6488 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: 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 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 8.1G 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 771 5056 4 2408 7170 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:33:1e:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80023sec preferred_lft 80023sec inet6 fe80::f816:3eff:fe33:1e2b/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-6488) 09/10/26 _x86_64_ (2 CPU) 00:40:40 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 25.08 2.83 20.02 2.23 223.56 3397.25 1487.36 01:10:22 1.66 0.01 1.61 0.04 0.55 147.63 4.56 01:20:02 1.28 0.00 1.28 0.01 0.01 23.07 0.23 01:30:01 16.41 0.33 1.88 14.21 43.29 222.13 106418.66 01:40:22 1.39 0.01 1.38 0.00 0.58 18.36 0.04 01:50:01 1.21 0.00 1.21 0.00 0.00 16.49 0.00 02:00:01 1.45 0.00 1.44 0.01 0.00 22.86 403.09 02:10:22 1.42 0.00 1.41 0.00 0.19 57.46 0.89 02:20:01 1.31 0.00 1.28 0.03 0.00 21.64 3.71 Average: 5.69 0.35 3.50 1.83 29.80 436.96 12017.96 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5272188 7459996 307004 3.78 87484 2261244 554108 6.04 536024 2033672 26088 01:10:22 5157216 7355884 411076 5.05 87664 2271996 647916 7.06 592964 2044604 616 01:20:02 5138176 7338780 428168 5.26 87804 2273836 672972 7.33 617908 2046548 280 01:30:01 5055452 7329932 435788 5.36 88252 2346584 886964 9.66 648184 2109536 300 01:40:22 5050992 7326464 439252 5.40 88412 2347396 886968 9.66 648376 2110392 148 01:50:01 5056088 7332312 433400 5.33 88536 2348012 886992 9.66 648396 2111132 124 02:00:01 5075852 7353596 411888 5.06 88660 2349388 855492 9.32 617404 2112612 300 02:10:22 4948492 7239324 525976 6.47 88824 2362132 916124 9.98 677384 2125524 160 02:20:01 5019936 7312816 452436 5.56 88988 2363984 882792 9.62 644076 2127416 168 Average: 5086044 7338789 427221 5.25 88292 2324952 798925 8.70 625635 2091271 3132 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:01 ens3 76.48 53.64 321.66 11.89 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 23.16 19.92 292.54 2.29 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 9.11 8.03 63.42 0.90 0.00 0.00 0.00 0.00 01:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 3.27 2.67 40.01 0.28 0.00 0.00 0.00 0.00 01:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:22 ens3 2.86 1.74 0.37 0.24 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 2.66 1.72 0.36 0.25 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 9.77 9.07 120.22 1.03 0.00 0.00 0.00 0.00 02:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:22 ens3 16.90 16.58 209.59 1.92 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 9.84 9.59 144.63 0.92 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 17.20 13.73 133.65 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6488) 09/10/26 _x86_64_ (2 CPU) 00:40:40 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 11.89 0.00 2.12 0.60 0.02 85.37 01:00:01 0 11.87 0.00 2.16 0.45 0.02 85.50 01:00:01 1 11.91 0.00 2.07 0.75 0.02 85.24 01:10:22 all 1.55 0.00 0.40 0.01 0.01 98.02 01:10:22 0 1.33 0.00 0.39 0.01 0.02 98.25 01:10:22 1 1.77 0.00 0.42 0.01 0.01 97.80 01:20:02 all 1.01 0.00 0.25 0.01 0.02 98.72 01:20:02 0 1.45 0.00 0.31 0.01 0.02 98.21 01:20:02 1 0.58 0.00 0.19 0.01 0.01 99.21 01:30:01 all 1.48 0.00 0.45 0.06 0.02 97.98 01:30:01 0 1.87 0.00 0.47 0.02 0.02 97.62 01:30:01 1 1.12 0.00 0.44 0.10 0.02 98.32 01:40:22 all 0.66 0.00 0.18 0.01 0.02 99.13 01:40:22 0 0.66 0.00 0.18 0.00 0.02 99.14 01:40:22 1 0.67 0.00 0.18 0.02 0.02 99.12 01:50:01 all 0.62 0.00 0.17 0.01 0.01 99.19 01:50:01 0 0.55 0.00 0.14 0.00 0.01 99.30 01:50:01 1 0.69 0.00 0.20 0.02 0.01 99.07 02:00:01 all 0.96 0.00 0.34 0.01 0.02 98.66 02:00:01 0 1.31 0.00 0.44 0.01 0.03 98.22 02:00:01 1 0.62 0.00 0.24 0.02 0.01 99.10 02:10:22 all 2.26 0.00 0.45 0.01 0.03 97.25 02:10:22 0 1.79 0.00 0.38 0.00 0.03 97.80 02:10:22 1 2.73 0.00 0.52 0.02 0.03 96.70 02:20:01 all 0.89 0.00 0.32 0.01 0.02 98.76 02:20:01 0 0.68 0.00 0.26 0.02 0.01 99.03 02:20:01 1 1.10 0.00 0.38 0.00 0.02 98.49 Average: all 2.39 0.00 0.52 0.08 0.02 96.99 Average: 0 2.41 0.00 0.53 0.06 0.02 96.99 Average: 1 2.38 0.00 0.52 0.10 0.02 96.98