---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25989 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 8.0G 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 758 5074 4 2410 7183 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:44:da:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79194sec preferred_lft 79194sec inet6 fe80::f816:3eff:fe44:dacb/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-25989) 06/09/26 _x86_64_ (2 CPU) 00:41:38 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:22 1.62 0.01 1.59 0.02 0.05 18.77 851.50 01:10:01 1.34 0.00 1.33 0.02 0.00 15.40 1.24 01:20:18 1.40 0.00 1.38 0.02 0.01 15.93 1.17 01:30:22 1.64 0.00 1.61 0.03 0.00 19.35 866.64 01:40:01 1.90 0.26 1.61 0.03 32.10 76.72 1.42 01:50:22 22.34 2.91 17.22 2.21 221.10 3352.30 501.33 02:00:18 1.45 0.00 1.43 0.02 0.00 23.03 0.28 02:10:02 16.02 13.92 2.05 0.06 154.91 48.90 118.90 02:20:08 15.04 0.00 1.66 13.37 0.15 139.79 105632.41 02:30:22 1.53 0.00 1.51 0.02 0.00 33.03 0.35 02:40:01 1.38 0.00 1.37 0.01 0.00 22.13 0.15 Average: 6.02 1.53 3.03 1.46 37.38 353.16 9932.35 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:22 6291984 7538704 282020 3.47 30716 1421680 521480 5.68 447660 1183532 188 01:10:01 6299572 7546824 273888 3.37 30916 1422004 521576 5.68 447788 1184056 124 01:20:18 6298564 7546364 274344 3.37 31128 1422332 521576 5.68 448228 1184596 136 01:30:22 6292012 7540356 280320 3.45 31340 1422660 521708 5.68 448080 1185128 176 01:40:01 6232860 7508112 312092 3.84 31720 1448828 717832 7.82 463932 1202792 172 01:50:22 5182828 7385892 381360 4.69 86800 2276452 630772 6.87 597200 2039620 136 02:00:18 5161808 7366732 400492 4.92 86924 2278184 639388 6.96 597200 2041480 212 02:10:02 5110060 7372096 386352 4.75 90320 2323744 659056 7.18 617920 2089828 280 02:20:08 5054928 7353608 404580 4.97 90492 2360016 647656 7.05 604436 2126244 184 02:30:22 4972732 7276392 481732 5.92 90648 2364756 716472 7.80 673752 2131012 184 02:40:01 5119892 7428816 329248 4.05 90764 2369836 556556 6.06 550040 2136208 3492 Average: 5637931 7442172 346039 4.26 62888 1919136 604916 6.59 536021 1682227 480 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:22 ens3 0.68 0.07 0.20 0.03 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 0.33 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.52 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:22 ens3 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.81 0.41 3.36 0.64 0.00 0.00 0.00 0.00 01:50:22 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:22 ens3 76.70 54.37 414.54 11.64 0.00 0.00 0.00 0.00 02:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 13.31 11.52 141.02 1.05 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 5.97 5.36 34.05 0.66 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 15.61 14.20 155.46 1.57 0.00 0.00 0.00 0.00 02:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:22 ens3 23.20 22.13 247.16 2.05 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 9.56 8.71 59.11 1.03 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 13.63 10.83 97.66 1.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25989) 06/09/26 _x86_64_ (2 CPU) 00:41:38 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:22 all 0.25 0.00 0.17 0.01 0.04 99.54 01:00:22 0 0.33 0.00 0.16 0.01 0.03 99.47 01:00:22 1 0.17 0.00 0.17 0.01 0.04 99.60 01:10:01 all 0.27 0.00 0.07 0.01 0.04 99.61 01:10:01 0 0.34 0.00 0.06 0.00 0.03 99.57 01:10:01 1 0.20 0.00 0.09 0.02 0.04 99.65 01:20:18 all 0.23 0.00 0.08 0.01 0.03 99.65 01:20:18 0 0.07 0.00 0.09 0.00 0.04 99.80 01:20:18 1 0.39 0.00 0.07 0.02 0.02 99.50 01:30:22 all 0.28 0.00 0.17 0.01 0.04 99.50 01:30:22 0 0.19 0.00 0.18 0.00 0.04 99.59 01:30:22 1 0.38 0.00 0.15 0.02 0.03 99.42 01:40:01 all 0.40 0.00 0.10 0.02 0.03 99.45 01:40:01 0 0.37 0.00 0.13 0.03 0.04 99.44 01:40:01 1 0.44 0.00 0.07 0.01 0.02 99.46 01:50:22 all 11.70 0.00 1.74 0.47 0.07 86.02 01:50:22 0 13.69 0.00 1.86 0.56 0.07 83.82 01:50:22 1 9.70 0.00 1.61 0.38 0.08 88.22 02:00:18 all 0.84 0.00 0.31 0.01 0.06 98.79 02:00:18 0 0.92 0.00 0.26 0.01 0.05 98.77 02:00:18 1 0.76 0.00 0.36 0.01 0.07 98.81 02:10:02 all 9.04 0.18 0.66 0.13 0.07 89.92 02:10:02 0 4.22 0.36 0.54 0.26 0.07 94.55 02:10:02 1 13.68 0.00 0.78 0.01 0.07 85.46 02:20:08 all 3.40 0.00 0.34 0.03 0.07 96.16 02:20:08 0 2.72 0.00 0.33 0.01 0.07 96.86 02:20:08 1 4.07 0.00 0.35 0.05 0.07 95.46 02:30:22 all 1.76 0.00 0.44 0.01 0.06 97.73 02:30:22 0 1.92 0.00 0.42 0.01 0.05 97.59 02:30:22 1 1.60 0.00 0.46 0.01 0.07 97.86 02:40:01 all 1.25 0.00 0.22 0.01 0.05 98.48 02:40:01 0 1.62 0.00 0.19 0.01 0.05 98.13 02:40:01 1 0.87 0.00 0.24 0.00 0.06 98.83 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.69 0.02 0.39 0.07 0.05 96.78 Average: 0 2.43 0.03 0.39 0.08 0.05 97.02 Average: 1 2.96 0.00 0.40 0.05 0.05 96.54