---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53010 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 773 4977 4 2482 7168 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:41:c5:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78728sec preferred_lft 78728sec inet6 fe80::f816:3eff:fe41:c5bd/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-53010) 03/26/26 _x86_64_ (2 CPU) 01:47:53 LINUX RESTART (2 CPU) 01:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.49 0.02 1.44 0.02 1.24 17.93 654.50 02:10:09 1.26 0.01 1.24 0.02 0.05 15.11 1.08 02:20:00 1.80 0.33 1.44 0.03 40.67 72.39 1.31 02:30:00 1.45 0.00 1.44 0.01 0.00 17.77 653.28 02:40:09 1.22 0.00 1.22 0.00 0.00 14.90 0.00 02:50:09 1.32 0.00 1.32 0.00 0.00 15.52 0.00 03:00:09 22.66 3.02 17.39 2.25 227.76 3130.92 1151.77 03:10:09 1.61 0.01 1.60 0.00 0.48 30.03 0.00 03:20:09 1.39 0.00 1.39 0.00 0.00 16.84 0.00 03:30:09 15.47 0.00 2.00 13.46 0.15 195.65 106812.90 03:40:09 1.52 0.00 1.51 0.02 0.00 315.23 3.35 03:50:00 1.29 0.00 1.28 0.02 0.00 16.60 3.38 Average: 4.38 0.28 2.77 1.32 22.51 321.88 9117.87 01:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6278952 7525700 294708 3.62 30584 1422040 522188 5.69 445792 1183252 188 02:10:09 6285280 7532576 287860 3.54 30796 1422372 522248 5.69 445900 1183796 132 02:20:00 6229444 7505688 314192 3.86 31172 1450572 522580 5.69 457464 1200992 208 02:30:00 6248396 7525184 294672 3.62 31356 1450900 522580 5.69 457632 1201508 44 02:40:09 6248396 7525704 294140 3.62 31544 1451236 522612 5.69 457728 1202024 304 02:50:09 6262288 7540228 279608 3.44 31712 1451688 522676 5.69 458184 1202520 168 03:00:09 5340640 7448388 323448 3.98 85204 2186864 554832 6.04 556772 1945636 2336 03:10:09 5024280 7132924 638960 7.86 85340 2187704 847096 9.23 823296 1946604 264 03:20:09 5048184 7157472 614412 7.56 85460 2188224 840888 9.16 798728 1947248 212 03:30:09 5049668 7222992 548244 6.74 85608 2251712 802548 8.74 761860 2010716 11560 03:40:09 4843636 7096748 673196 8.28 85792 2330212 921544 10.04 881124 2089416 168 03:50:00 4884264 7137988 631916 7.77 85972 2330668 884532 9.63 844144 2090020 196 Average: 5645286 7362633 432946 5.32 58378 1843683 665527 7.25 615719 1600311 1315 01:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.04 0.06 0.12 0.03 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.41 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.74 0.24 6.44 0.06 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.19 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:09 ens3 0.33 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.31 0.15 0.08 0.47 0.00 0.00 0.00 0.00 03:00:09 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:09 ens3 61.09 42.32 296.98 10.86 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 41.69 35.73 566.68 2.62 0.00 0.00 0.00 0.00 03:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:09 ens3 81.06 76.25 1267.34 5.01 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 30.62 27.48 438.90 1.87 0.00 0.00 0.00 0.00 03:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:09 ens3 32.27 30.87 513.95 2.06 0.00 0.00 0.00 0.00 03:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:00 ens3 6.63 5.09 77.52 0.40 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 21.38 18.21 264.24 1.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53010) 03/26/26 _x86_64_ (2 CPU) 01:47:53 LINUX RESTART (2 CPU) 01:50:09 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.32 0.00 0.17 0.02 0.02 99.46 02:00:09 0 0.18 0.00 0.18 0.01 0.03 99.60 02:00:09 1 0.46 0.00 0.16 0.04 0.02 99.32 02:10:09 all 0.27 0.00 0.07 0.04 0.03 99.59 02:10:09 0 0.30 0.00 0.07 0.01 0.02 99.60 02:10:09 1 0.24 0.00 0.08 0.07 0.03 99.59 02:20:00 all 0.37 0.00 0.11 0.03 0.03 99.46 02:20:00 0 0.35 0.00 0.14 0.06 0.03 99.42 02:20:00 1 0.39 0.00 0.08 0.00 0.02 99.50 02:30:00 all 0.28 0.00 0.15 0.01 0.02 99.53 02:30:00 0 0.29 0.00 0.16 0.02 0.02 99.51 02:30:00 1 0.27 0.00 0.15 0.00 0.02 99.55 02:40:09 all 0.26 0.00 0.07 0.02 0.02 99.62 02:40:09 0 0.45 0.00 0.06 0.01 0.02 99.47 02:40:09 1 0.07 0.00 0.09 0.03 0.03 99.78 02:50:09 all 0.27 0.00 0.07 0.02 0.02 99.62 02:50:09 0 0.20 0.00 0.07 0.00 0.02 99.71 02:50:09 1 0.35 0.00 0.07 0.03 0.02 99.54 03:00:09 all 10.97 0.00 1.78 1.05 0.04 86.17 03:00:09 0 8.56 0.00 1.59 0.44 0.04 89.37 03:00:09 1 13.38 0.00 1.97 1.65 0.04 82.96 03:10:09 all 0.76 0.00 0.32 0.04 0.05 98.84 03:10:09 0 0.75 0.00 0.22 0.05 0.05 98.92 03:10:09 1 0.76 0.00 0.43 0.02 0.05 98.75 03:20:09 all 1.06 0.00 0.55 0.01 0.04 98.35 03:20:09 0 0.80 0.00 0.26 0.01 0.04 98.89 03:20:09 1 1.31 0.00 0.83 0.01 0.05 97.80 03:30:09 all 0.79 0.00 0.38 0.04 0.05 98.75 03:30:09 0 0.76 0.00 0.30 0.02 0.04 98.87 03:30:09 1 0.81 0.00 0.45 0.05 0.05 98.64 03:40:09 all 0.78 0.00 0.25 0.01 0.05 98.91 03:40:09 0 0.52 0.00 0.12 0.01 0.03 99.31 03:40:09 1 1.03 0.00 0.38 0.02 0.07 98.50 03:40:09 CPU %user %nice %system %iowait %steal %idle 03:50:00 all 0.44 0.00 0.16 0.01 0.05 99.35 03:50:00 0 0.45 0.00 0.18 0.00 0.05 99.31 03:50:00 1 0.42 0.00 0.14 0.01 0.04 99.39 Average: all 1.38 0.00 0.34 0.11 0.03 98.14 Average: 0 1.14 0.00 0.28 0.05 0.03 98.50 Average: 1 1.62 0.00 0.40 0.16 0.04 97.78