---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22997 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 7.9G 30G 21% / 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 739 5233 4 2260 7201 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:b8:44:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80455sec preferred_lft 80455sec inet6 fe80::f816:3eff:feb8:4473/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22997) 06/03/26 _x86_64_ (2 CPU) 04:48:11 LINUX RESTART (2 CPU) 04:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:00:11 14.23 0.03 1.52 12.67 1.40 18.94 110726.63 05:10:40 1.72 0.25 1.46 0.01 29.57 70.33 0.28 05:20:01 1.21 0.01 1.20 0.00 1.14 14.52 0.19 05:30:21 1.43 0.00 1.40 0.03 0.00 17.43 633.33 05:40:40 1.20 0.00 1.18 0.02 0.00 14.58 1.28 05:50:00 1.19 0.00 1.17 0.02 0.00 14.32 1.04 06:00:02 23.74 3.01 18.46 2.27 227.62 3417.61 508.90 06:10:01 1.23 0.00 1.23 0.00 0.00 14.88 0.00 06:20:02 1.57 0.00 1.56 0.01 0.00 19.16 0.19 Average: 5.28 0.37 3.26 1.66 29.14 402.29 12343.04 04:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:00:11 6284744 7536136 283852 3.49 30632 1426624 528748 5.76 443016 1187348 124 05:10:40 6227204 7505340 314176 3.86 31008 1452648 723836 7.88 457432 1204976 180 05:20:01 6243772 7522684 296888 3.65 31172 1453240 529088 5.76 453972 1205428 264 05:30:21 6255184 7534720 284824 3.50 31396 1453612 529088 5.76 454128 1206024 160 05:40:40 6255184 7535252 284288 3.50 31592 1453940 529216 5.76 454388 1206548 128 05:50:00 6254684 7535376 284148 3.49 31784 1454364 529216 5.76 454712 1207036 156 06:00:02 5219040 7416372 350916 4.31 86788 2271432 624472 6.80 577364 2033544 276 06:10:01 5218284 7416088 351212 4.32 86904 2271784 624544 6.80 577468 2034020 168 06:20:02 5211732 7410044 357280 4.39 87076 2272120 624536 6.80 577836 2034528 124 Average: 5907759 7490224 311954 3.84 49817 1723307 582527 6.34 494480 1479939 176 04:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:11 ens3 1.92 0.14 0.30 0.11 0.00 0.00 0.00 0.00 05:10:40 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:10:40 ens3 0.70 0.22 3.00 0.03 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 0.87 0.06 5.97 0.04 0.00 0.00 0.00 0.00 05:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:21 ens3 0.50 0.06 0.48 0.04 0.00 0.00 0.00 0.00 05:40:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:40 ens3 0.32 0.14 0.07 0.57 0.00 0.00 0.00 0.00 05:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:00 ens3 0.27 0.08 0.09 0.04 0.00 0.00 0.00 0.00 06:00:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 06:00:02 ens3 56.83 38.88 314.45 10.38 0.00 0.00 0.00 0.00 06:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:01 ens3 1.36 0.18 0.14 0.03 0.00 0.00 0.00 0.00 06:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:02 ens3 0.54 0.18 0.12 0.05 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 7.06 4.46 36.21 1.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22997) 06/03/26 _x86_64_ (2 CPU) 04:48:11 LINUX RESTART (2 CPU) 04:50:17 CPU %user %nice %system %iowait %steal %idle 05:00:11 all 0.34 0.00 0.21 0.03 0.02 99.40 05:00:11 0 0.17 0.00 0.19 0.01 0.02 99.62 05:00:11 1 0.50 0.00 0.23 0.05 0.02 99.19 05:10:40 all 0.41 0.00 0.13 0.02 0.02 99.43 05:10:40 0 0.35 0.00 0.11 0.00 0.02 99.52 05:10:40 1 0.47 0.00 0.15 0.03 0.02 99.33 05:20:01 all 0.32 0.00 0.09 0.01 0.03 99.56 05:20:01 0 0.13 0.00 0.10 0.00 0.03 99.74 05:20:01 1 0.51 0.00 0.08 0.01 0.03 99.37 05:30:21 all 0.26 0.00 0.17 0.01 0.02 99.53 05:30:21 0 0.24 0.00 0.19 0.01 0.03 99.53 05:30:21 1 0.28 0.00 0.16 0.01 0.02 99.53 05:40:40 all 0.28 0.00 0.08 0.01 0.03 99.60 05:40:40 0 0.20 0.00 0.08 0.01 0.03 99.67 05:40:40 1 0.37 0.00 0.07 0.00 0.02 99.53 05:50:00 all 0.22 0.00 0.07 0.01 0.02 99.68 05:50:00 0 0.06 0.00 0.07 0.01 0.02 99.84 05:50:00 1 0.38 0.00 0.07 0.01 0.02 99.52 06:00:02 all 11.89 0.00 1.82 0.47 0.06 85.76 06:00:02 0 8.22 0.00 1.46 0.27 0.06 89.99 06:00:02 1 15.55 0.00 2.17 0.67 0.07 81.54 06:10:01 all 0.40 0.00 0.13 0.01 0.05 99.41 06:10:01 0 0.47 0.00 0.11 0.01 0.05 99.37 06:10:01 1 0.34 0.00 0.15 0.01 0.06 99.44 06:20:02 all 0.36 0.00 0.13 0.02 0.05 99.44 06:20:02 0 0.28 0.00 0.16 0.02 0.07 99.47 06:20:02 1 0.44 0.00 0.10 0.01 0.04 99.41 Average: all 1.61 0.00 0.31 0.06 0.03 97.97 Average: 0 1.13 0.00 0.27 0.04 0.04 98.52 Average: 1 2.10 0.00 0.36 0.09 0.03 97.42