---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37452 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: 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 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 764 5106 4 2364 7177 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:99:87:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80124sec preferred_lft 80124sec inet6 fe80::f816:3eff:fe99:8778/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37452) 08/14/26 _x86_64_ (2 CPU) 01:09:12 LINUX RESTART (2 CPU) 01:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 1.53 0.03 1.49 0.01 1.31 18.10 220.06 01:30:00 2.36 0.71 1.62 0.03 94.18 77.52 922.97 01:40:01 1.23 0.00 1.21 0.02 1.05 15.05 20.87 01:50:02 1.19 0.00 1.17 0.02 0.00 14.37 23.05 02:00:03 14.78 0.00 1.51 13.26 0.15 18.75 108941.96 02:10:03 1.25 0.00 1.23 0.02 0.00 14.70 20.83 02:20:04 1.29 0.00 1.27 0.02 0.00 15.35 23.03 02:30:05 1.47 0.00 1.44 0.03 0.00 17.75 21.03 02:40:07 1.40 0.00 1.39 0.02 0.00 17.09 20.78 02:50:06 29.45 3.01 24.02 2.42 229.79 3654.47 1415.50 Average: 5.60 0.38 3.64 1.59 32.66 386.43 11188.17 01:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 6297636 7543744 277688 3.41 30932 1420976 529640 5.77 441520 1183916 44 01:30:00 6251756 7527300 293464 3.61 31404 1449548 716240 7.80 458012 1202644 136 01:40:01 6258868 7535272 285496 3.51 31612 1450184 529796 5.77 452396 1203184 184 01:50:02 6271044 7547964 272796 3.35 31796 1450508 529860 5.77 452436 1203692 188 02:00:03 6262648 7540300 280432 3.45 32004 1451016 529924 5.77 452820 1204248 272 02:10:03 6262648 7540816 279912 3.44 32188 1451336 530068 5.77 452968 1204756 196 02:20:04 6262648 7541352 279364 3.44 32388 1451664 530068 5.77 452888 1205284 220 02:30:05 6253392 7532648 288012 3.54 32592 1451992 530068 5.77 453016 1205816 224 02:40:07 6247848 7527656 292980 3.60 32816 1452316 579632 6.31 461816 1206360 164 02:50:06 5159876 7396760 370796 4.56 88612 2308188 655092 7.14 611232 2072072 620 Average: 6152836 7523381 292094 3.59 37634 1533773 566039 6.17 468910 1289197 225 01:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 1.40 0.14 0.27 0.10 0.00 0.00 0.00 0.00 01:30:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.88 0.29 8.85 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.81 0.07 1.04 0.05 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.39 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 1.23 0.20 10.96 0.61 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.15 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.19 0.06 0.06 0.03 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 0.15 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 6.62 4.36 4.18 6.64 0.00 0.00 0.00 0.00 02:50:06 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:50:06 ens3 74.03 55.30 338.40 13.99 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 8.59 6.06 36.41 2.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37452) 08/14/26 _x86_64_ (2 CPU) 01:09:12 LINUX RESTART (2 CPU) 01:10:12 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 0.30 0.00 0.16 0.01 0.03 99.49 01:20:00 0 0.29 0.00 0.16 0.02 0.03 99.50 01:20:00 1 0.32 0.00 0.17 0.01 0.04 99.48 01:30:00 all 0.37 0.00 0.21 0.03 0.03 99.35 01:30:00 0 0.46 0.00 0.20 0.06 0.02 99.26 01:30:00 1 0.29 0.00 0.22 0.01 0.04 99.45 01:40:01 all 0.26 0.00 0.07 0.01 0.03 99.62 01:40:01 0 0.06 0.00 0.08 0.01 0.04 99.82 01:40:01 1 0.45 0.00 0.07 0.02 0.03 99.42 01:50:02 all 0.26 0.00 0.07 0.01 0.03 99.62 01:50:02 0 0.06 0.00 0.10 0.01 0.04 99.81 01:50:02 1 0.47 0.00 0.05 0.02 0.02 99.43 02:00:03 all 0.32 0.00 0.17 0.03 0.03 99.46 02:00:03 0 0.35 0.00 0.16 0.01 0.03 99.46 02:00:03 1 0.29 0.00 0.19 0.05 0.03 99.45 02:10:03 all 0.23 0.00 0.07 0.01 0.03 99.66 02:10:03 0 0.42 0.00 0.05 0.01 0.02 99.50 02:10:03 1 0.04 0.00 0.09 0.02 0.04 99.82 02:20:04 all 0.24 0.00 0.07 0.01 0.03 99.65 02:20:04 0 0.44 0.00 0.04 0.00 0.01 99.49 02:20:04 1 0.04 0.00 0.09 0.02 0.04 99.82 02:30:05 all 0.23 0.00 0.16 0.38 0.03 99.20 02:30:05 0 0.41 0.00 0.15 0.06 0.02 99.36 02:30:05 1 0.05 0.00 0.17 0.70 0.03 99.04 02:40:07 all 0.22 0.00 0.10 0.01 0.03 99.64 02:40:07 0 0.28 0.00 0.08 0.00 0.02 99.61 02:40:07 1 0.15 0.00 0.12 0.02 0.03 99.68 02:50:06 all 14.32 0.00 1.82 0.71 0.06 83.10 02:50:06 0 18.77 0.00 1.99 0.86 0.06 78.32 02:50:06 1 9.86 0.00 1.65 0.56 0.06 87.88 Average: all 1.67 0.00 0.29 0.12 0.03 97.88 Average: 0 2.15 0.00 0.30 0.10 0.03 97.41 Average: 1 1.20 0.00 0.28 0.14 0.04 98.35