---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9506 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 747 5295 4 2187 7193 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:d7:98:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81929sec preferred_lft 81929sec inet6 fe80::f816:3eff:fed7:98fa/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-9506) 04/29/26 _x86_64_ (2 CPU) 01:48:12 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.37 0.03 1.34 0.01 1.24 17.11 437.83 02:10:09 1.22 0.01 1.20 0.01 0.05 14.91 0.83 02:20:09 13.93 0.00 1.38 12.55 0.16 16.26 109168.92 02:30:01 1.50 0.00 1.47 0.03 0.00 17.64 443.17 02:40:11 1.40 0.00 1.38 0.02 0.00 16.35 1.18 02:50:00 2.39 0.68 1.67 0.03 48.98 108.12 1.45 03:00:01 25.80 2.61 20.77 2.42 211.94 3566.49 6655.02 Average: 6.81 0.48 4.18 2.15 37.42 537.54 16686.63 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6280312 7526840 293708 3.61 30532 1421880 524836 5.72 444240 1183148 256 02:10:09 6279640 7526696 293836 3.61 30736 1422212 524924 5.72 444428 1183672 152 02:20:09 6279640 7527288 293192 3.61 30940 1422584 525096 5.72 444508 1184224 160 02:30:01 6281708 7529884 290576 3.57 31148 1422908 525092 5.72 444556 1184764 240 02:40:11 6271628 7520340 300112 3.69 31352 1423236 525124 5.72 444888 1185296 124 02:50:00 6213256 7503692 316004 3.89 31868 1463996 545036 5.94 490580 1215848 212 03:00:01 5284720 7402924 368412 4.53 85040 2197316 634312 6.91 597792 1958304 400 Average: 6127272 7505381 307977 3.79 38802 1539162 543489 5.92 472999 1299322 221 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.25 0.07 0.16 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 0.84 0.04 9.40 0.01 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 0.33 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 12.11 5.57 23.66 3.18 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.10 0.10 0.00 0.00 0.00 0.00 03:00:01 ens3 58.36 40.16 283.30 8.80 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 10.46 6.57 45.29 1.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-9506) 04/29/26 _x86_64_ (2 CPU) 01:48:12 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.19 0.03 0.02 99.46 02:00:01 0 0.36 0.00 0.18 0.01 0.02 99.43 02:00:01 1 0.24 0.00 0.20 0.05 0.02 99.49 02:10:09 all 0.27 0.00 0.08 0.07 0.03 99.56 02:10:09 0 0.07 0.00 0.09 0.14 0.03 99.67 02:10:09 1 0.47 0.00 0.06 0.01 0.02 99.44 02:20:09 all 0.26 0.00 0.09 0.05 0.02 99.58 02:20:09 0 0.05 0.00 0.09 0.02 0.03 99.81 02:20:09 1 0.46 0.00 0.08 0.09 0.02 99.35 02:30:01 all 0.27 0.00 0.16 0.03 0.02 99.52 02:30:01 0 0.07 0.00 0.17 0.02 0.03 99.70 02:30:01 1 0.47 0.00 0.14 0.03 0.02 99.34 02:40:11 all 0.25 0.00 0.08 0.04 0.02 99.62 02:40:11 0 0.12 0.00 0.08 0.06 0.02 99.71 02:40:11 1 0.37 0.00 0.08 0.01 0.02 99.52 02:50:00 all 0.70 0.00 0.14 0.44 0.02 98.71 02:50:00 0 0.92 0.00 0.11 0.12 0.01 98.83 02:50:00 1 0.47 0.00 0.16 0.77 0.02 98.58 03:00:01 all 11.97 0.00 1.98 21.81 0.05 64.19 03:00:01 0 13.10 0.00 2.08 18.27 0.05 66.50 03:00:01 1 10.83 0.00 1.88 25.36 0.05 61.88 Average: all 2.00 0.00 0.39 3.21 0.03 94.37 Average: 0 2.10 0.00 0.40 2.67 0.03 94.81 Average: 1 1.90 0.00 0.37 3.76 0.02 93.94