---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36021 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 8.0G 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 760 5123 4 2351 7181 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:bf:ec:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81888sec preferred_lft 81888sec inet6 fe80::f816:3eff:febf:ecd5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36021) 08/12/26 _x86_64_ (2 CPU) 00:40:51 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 25.34 2.80 20.19 2.35 221.84 3426.44 1742.01 01:10:28 1.35 0.00 1.33 0.02 0.00 25.82 1.70 01:20:01 1.28 0.00 1.28 0.01 0.01 20.24 0.24 01:30:28 2.42 0.68 1.71 0.04 90.16 186.75 440.50 01:40:28 1.50 0.01 1.48 0.02 1.05 35.81 0.72 01:50:01 1.30 0.00 1.29 0.01 0.00 21.03 0.11 Average: 5.59 0.59 4.58 0.41 53.26 627.10 370.79 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 5240664 7415000 353232 4.34 85904 2248804 639388 6.96 583548 2021048 1620 01:10:28 5163988 7340468 427804 5.26 86056 2250844 649596 7.08 586180 2023236 132 01:20:01 5187072 7365244 403040 4.96 86196 2252392 668312 7.28 604428 2024932 196 01:30:28 5073540 7315672 451888 5.56 86640 2315452 898164 9.78 656004 2078000 252 01:40:28 5056524 7304704 462936 5.69 86784 2321272 724976 7.90 671540 2083652 132 01:50:01 5076008 7326052 441596 5.43 86904 2322996 691676 7.53 638272 2085496 124 Average: 5132966 7344523 423416 5.21 86414 2285293 712019 7.76 623329 2052727 409 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:08 ens3 71.27 48.46 314.49 12.04 0.00 0.00 0.00 0.00 01:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:28 ens3 26.64 20.39 250.76 1.77 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 7.78 6.37 34.91 0.81 0.00 0.00 0.00 0.00 01:30:28 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:28 ens3 13.93 12.54 153.25 1.22 0.00 0.00 0.00 0.00 01:40:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:28 ens3 17.93 16.91 142.07 1.98 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 13.72 13.47 146.64 1.20 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 25.44 19.84 175.45 3.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36021) 08/12/26 _x86_64_ (2 CPU) 00:40:51 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 12.07 0.00 1.91 0.62 0.07 85.34 01:00:08 0 12.40 0.00 1.99 0.56 0.06 84.99 01:00:08 1 11.74 0.00 1.82 0.68 0.07 85.69 01:10:28 all 0.93 0.00 0.30 0.01 0.09 98.67 01:10:28 0 1.27 0.00 0.43 0.01 0.12 98.18 01:10:28 1 0.60 0.00 0.16 0.02 0.06 99.17 01:20:01 all 1.29 0.00 0.28 0.01 0.08 98.35 01:20:01 0 1.38 0.00 0.29 0.00 0.10 98.22 01:20:01 1 1.21 0.00 0.26 0.01 0.05 98.47 01:30:28 all 1.79 0.00 0.50 0.03 0.07 97.61 01:30:28 0 2.02 0.00 0.53 0.02 0.08 97.35 01:30:28 1 1.57 0.00 0.47 0.04 0.06 97.86 01:40:28 all 1.90 0.00 0.32 0.01 0.09 97.68 01:40:28 0 1.90 0.00 0.42 0.02 0.12 97.55 01:40:28 1 1.91 0.00 0.23 0.00 0.07 97.80 01:50:01 all 0.83 0.00 0.24 0.01 0.09 98.83 01:50:01 0 0.57 0.00 0.16 0.02 0.08 99.18 01:50:01 1 1.09 0.00 0.32 0.00 0.11 98.48 Average: all 3.19 0.00 0.60 0.12 0.08 96.02 Average: 0 3.31 0.00 0.65 0.11 0.09 95.84 Average: 1 3.06 0.00 0.55 0.13 0.07 96.19