---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4414 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 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 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 798 5039 4 2400 7143 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:b1:53:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79544sec preferred_lft 79544sec inet6 fe80::f816:3eff:feb1:537d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4414) 04/19/26 _x86_64_ (2 CPU) 00:15:52 LINUX RESTART (2 CPU) 00:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:09 10.57 1.41 7.90 1.26 113.95 1112.96 888.74 00:40:01 1.34 0.01 1.31 0.02 0.05 18.74 1.34 00:50:09 2.05 0.32 1.70 0.03 39.51 77.36 1.10 01:00:09 1.66 0.00 1.64 0.02 0.00 23.45 0.33 01:10:01 1.46 0.00 1.43 0.02 0.00 21.49 0.46 01:20:09 1.43 0.00 1.39 0.04 0.00 23.55 0.93 01:30:09 1.53 0.00 1.48 0.05 0.00 24.83 1.07 01:40:01 1.49 0.00 1.44 0.05 0.00 21.11 1.01 01:50:09 14.87 0.00 1.58 13.29 0.14 22.39 105202.02 02:00:09 1.73 0.00 1.65 0.08 0.00 24.96 1.55 02:10:01 6.38 0.08 4.95 1.35 6.22 296.92 246.30 Average: 4.07 0.17 2.41 1.49 14.67 152.24 9812.77 00:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:09 5295104 7380112 392452 4.83 84648 2164852 647552 7.05 606656 1934960 184 00:40:01 5297992 7384108 388232 4.77 84812 2165796 649924 7.08 608996 1936068 256 00:50:09 5246752 7362668 409400 5.03 85112 2195164 650180 7.08 620968 1954360 136 01:00:09 5241976 7359344 412724 5.07 85280 2196440 651348 7.09 621904 1955788 176 01:10:01 5241056 7360008 411844 5.06 85484 2197848 706424 7.69 627220 1957252 188 01:20:09 5248540 7369916 402096 4.94 85708 2200000 652372 7.11 623324 1959664 152 01:30:09 5241880 7365436 406620 5.00 85940 2201952 652372 7.11 623368 1961848 160 01:40:01 5241640 7366772 405316 4.98 86156 2203312 652376 7.11 623256 1963424 164 01:50:09 5249480 7376184 395784 4.87 86396 2204640 652376 7.11 623452 1964964 204 02:00:09 5251548 7379936 391912 4.82 86632 2206084 652440 7.11 623504 1966628 220 02:10:01 5139216 7293572 477640 5.87 90012 2228192 726688 7.92 719612 1990332 29568 Average: 5245017 7363460 408547 5.02 86016 2196753 663096 7.22 629296 1958663 2855 00:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:09 lo 1.16 1.16 0.08 0.08 0.00 0.00 0.00 0.00 00:30:09 ens3 6.01 4.68 34.99 1.48 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 1.32 0.20 0.32 0.16 0.00 0.00 0.00 0.00 00:50:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:09 ens3 3.33 0.48 3.51 0.20 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.81 0.15 0.12 0.06 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.83 0.19 3.94 0.07 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.66 0.10 0.27 0.03 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.66 0.14 0.14 0.07 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 0.74 0.15 0.13 0.06 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 0.66 0.13 0.12 0.05 0.00 0.00 0.00 0.00 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.12 0.35 0.22 0.12 0.00 0.00 0.00 0.00 02:10:01 lo 1.09 1.09 0.07 0.07 0.00 0.00 0.00 0.00 02:10:01 ens3 13.90 7.26 11.60 10.78 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.72 1.25 5.05 1.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4414) 04/19/26 _x86_64_ (2 CPU) 00:15:52 LINUX RESTART (2 CPU) 00:20:04 CPU %user %nice %system %iowait %steal %idle 00:30:09 all 5.52 0.00 0.91 0.18 0.08 93.31 00:30:09 0 6.47 0.00 0.94 0.25 0.08 92.27 00:30:09 1 4.58 0.00 0.87 0.11 0.08 94.36 00:40:01 all 0.56 0.00 0.13 0.01 0.07 99.23 00:40:01 0 0.49 0.00 0.15 0.01 0.09 99.26 00:40:01 1 0.62 0.00 0.12 0.01 0.06 99.20 00:50:09 all 0.76 0.00 0.16 0.02 0.08 98.98 00:50:09 0 0.92 0.00 0.20 0.03 0.10 98.75 00:50:09 1 0.61 0.00 0.12 0.00 0.06 99.21 01:00:09 all 0.61 0.00 0.21 0.01 0.08 99.10 01:00:09 0 0.63 0.00 0.20 0.01 0.07 99.08 01:00:09 1 0.58 0.00 0.21 0.01 0.08 99.12 01:10:01 all 0.62 0.00 0.12 0.01 0.08 99.18 01:10:01 0 0.66 0.00 0.14 0.01 0.09 99.10 01:10:01 1 0.57 0.00 0.10 0.01 0.06 99.25 01:20:09 all 0.70 0.00 0.11 0.01 0.08 99.10 01:20:09 0 0.46 0.00 0.08 0.02 0.04 99.40 01:20:09 1 0.93 0.00 0.15 0.00 0.11 98.80 01:30:09 all 0.70 0.00 0.20 0.01 0.08 99.01 01:30:09 0 0.62 0.00 0.18 0.00 0.06 99.14 01:30:09 1 0.78 0.00 0.23 0.01 0.10 98.88 01:40:01 all 0.62 0.00 0.11 0.01 0.08 99.18 01:40:01 0 0.71 0.00 0.15 0.00 0.11 99.03 01:40:01 1 0.53 0.00 0.08 0.02 0.05 99.32 01:50:09 all 0.60 0.00 0.12 0.03 0.08 99.17 01:50:09 0 0.51 0.00 0.07 0.02 0.04 99.36 01:50:09 1 0.69 0.00 0.17 0.04 0.11 98.98 02:00:09 all 0.66 0.00 0.22 0.01 0.08 99.04 02:00:09 0 0.63 0.00 0.21 0.01 0.07 99.08 02:00:09 1 0.68 0.00 0.22 0.01 0.09 99.00 02:10:01 all 5.10 0.00 0.54 0.39 0.08 93.89 02:10:01 0 8.33 0.00 0.74 0.71 0.11 90.11 02:10:01 1 1.87 0.00 0.33 0.08 0.05 97.66 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.49 0.00 0.26 0.06 0.08 98.11 Average: 0 1.85 0.00 0.28 0.10 0.08 97.69 Average: 1 1.13 0.00 0.24 0.03 0.08 98.52