---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65905 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 8.2G 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 747 4963 4 2522 7194 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:6c:25:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78622sec preferred_lft 78622sec inet6 fe80::f816:3eff:fe6c:25b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65905) 04/02/26 _x86_64_ (2 CPU) 01:52:51 LINUX RESTART (2 CPU) 02:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 1.37 0.01 1.35 0.02 0.05 16.16 1.20 02:20:03 1.34 0.00 1.32 0.02 0.01 15.87 1.20 02:30:03 2.15 0.31 1.79 0.04 39.01 76.04 872.95 02:40:03 1.37 0.01 1.35 0.02 1.05 16.51 1.15 02:50:03 13.94 0.00 1.37 12.57 0.15 16.43 109124.14 03:00:03 20.87 3.02 15.63 2.21 227.28 2529.00 718.99 03:10:03 3.33 0.01 3.28 0.04 0.99 626.28 1.35 03:20:03 1.33 0.00 1.33 0.00 0.00 16.39 0.00 03:30:03 1.61 0.00 1.59 0.02 0.00 85.61 0.31 03:40:03 1.46 0.00 1.45 0.01 0.00 404.02 1.71 03:50:03 1.50 0.00 1.49 0.01 0.00 90.91 0.84 04:00:03 1.59 0.00 1.57 0.02 0.00 21.08 0.31 Average: 4.32 0.28 2.79 1.25 22.38 326.19 9227.01 02:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 6277264 7527916 292508 3.60 30752 1425532 522604 5.69 447320 1187332 216 02:20:03 6292536 7543724 276696 3.40 30964 1425848 522748 5.69 447404 1187864 208 02:30:03 6234076 7514020 305776 3.76 31372 1453800 720548 7.85 464404 1205160 216 02:40:03 6234076 7514876 305056 3.75 31572 1454452 522868 5.70 459112 1205692 264 02:50:03 6241176 7522692 297232 3.65 31764 1454952 522868 5.70 459328 1206236 236 03:00:03 5282848 7394856 377080 4.64 84932 2191344 622004 6.77 618520 1950352 177256 03:10:03 5080484 7193088 578616 7.11 85112 2191568 806792 8.79 779896 1950644 240 03:20:03 5068132 7181280 590420 7.26 85228 2192000 811932 8.84 784376 1951188 304 03:30:03 5179452 7312620 458932 5.64 85384 2211868 717076 7.81 673412 1971208 244 03:40:03 4883932 7141792 628084 7.72 85536 2334920 896492 9.76 852532 2094292 6420 03:50:03 4841316 7115548 654092 8.04 85692 2350912 896180 9.76 852996 2110440 256 04:00:03 4814356 7089148 680504 8.37 85816 2351336 931412 10.14 887692 2110988 268 Average: 5535804 7337630 453750 5.58 62844 1919878 707794 7.71 643916 1677616 15511 02:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.50 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.36 0.03 0.47 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.48 0.22 3.06 0.03 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.39 0.06 0.23 0.04 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.18 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:03 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:03 ens3 38.06 25.24 293.78 7.50 0.00 0.00 0.00 0.00 03:10:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:03 ens3 41.19 35.51 436.41 4.85 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 39.23 37.84 612.57 2.49 0.00 0.00 0.00 0.00 03:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:03 ens3 70.66 66.83 1097.13 4.42 0.00 0.00 0.00 0.00 03:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:03 ens3 27.62 25.68 412.40 1.73 0.00 0.00 0.00 0.00 03:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:03 ens3 23.75 21.86 352.88 1.46 0.00 0.00 0.00 0.00 04:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:03 ens3 14.25 11.95 180.78 0.82 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 21.39 18.77 282.48 1.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65905) 04/02/26 _x86_64_ (2 CPU) 01:52:51 LINUX RESTART (2 CPU) 02:00:03 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 0.23 0.00 0.08 0.01 0.02 99.67 02:10:03 0 0.30 0.00 0.08 0.01 0.02 99.60 02:10:03 1 0.16 0.00 0.08 0.01 0.02 99.73 02:20:03 all 0.26 0.00 0.07 0.01 0.02 99.64 02:20:03 0 0.45 0.00 0.06 0.02 0.02 99.45 02:20:03 1 0.07 0.00 0.09 0.00 0.02 99.82 02:30:03 all 0.34 0.00 0.19 0.02 0.02 99.42 02:30:03 0 0.33 0.00 0.18 0.01 0.02 99.48 02:30:03 1 0.35 0.00 0.21 0.04 0.02 99.37 02:40:03 all 0.26 0.00 0.08 0.02 0.02 99.63 02:40:03 0 0.46 0.00 0.06 0.02 0.02 99.45 02:40:03 1 0.07 0.00 0.10 0.01 0.02 99.81 02:50:03 all 0.25 0.00 0.09 0.03 0.02 99.61 02:50:03 0 0.45 0.00 0.06 0.00 0.01 99.47 02:50:03 1 0.06 0.00 0.12 0.06 0.02 99.74 03:00:03 all 10.97 0.00 1.71 0.47 0.04 86.82 03:00:03 0 12.64 0.00 1.77 0.60 0.04 84.95 03:00:03 1 9.30 0.00 1.64 0.33 0.04 88.68 03:10:03 all 1.13 0.00 0.38 0.02 0.04 98.44 03:10:03 0 1.32 0.00 0.44 0.02 0.04 98.18 03:10:03 1 0.93 0.00 0.32 0.02 0.04 98.69 03:20:03 all 0.73 0.00 0.31 0.01 0.04 98.91 03:20:03 0 0.76 0.00 0.30 0.01 0.04 98.90 03:20:03 1 0.71 0.00 0.32 0.01 0.05 98.92 03:30:03 all 1.14 0.00 0.66 0.01 0.05 98.14 03:30:03 0 1.28 0.00 0.67 0.02 0.03 98.00 03:30:03 1 0.99 0.00 0.66 0.01 0.06 98.28 03:40:03 all 0.85 0.00 0.21 0.01 0.04 98.88 03:40:03 0 0.83 0.00 0.19 0.01 0.04 98.93 03:40:03 1 0.87 0.00 0.24 0.01 0.04 98.84 03:50:03 all 0.65 0.00 0.25 0.01 0.04 99.05 03:50:03 0 0.61 0.00 0.30 0.02 0.06 99.02 03:50:03 1 0.69 0.00 0.20 0.00 0.03 99.08 03:50:03 CPU %user %nice %system %iowait %steal %idle 04:00:03 all 0.52 0.00 0.32 0.01 0.04 99.11 04:00:03 0 0.42 0.00 0.28 0.01 0.05 99.24 04:00:03 1 0.62 0.00 0.36 0.01 0.03 98.98 Average: all 1.44 0.00 0.36 0.05 0.03 98.11 Average: 0 1.65 0.00 0.37 0.06 0.03 97.89 Average: 1 1.23 0.00 0.36 0.04 0.03 98.33