---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6217 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 764 5181 4 2289 7177 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:5a:49:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80162sec preferred_lft 80162sec inet6 fe80::f816:3eff:fe5a:4910/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6217) 09/09/26 _x86_64_ (2 CPU) 01:07:54 LINUX RESTART (2 CPU) 01:10:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.22 0.03 1.19 0.00 1.34 14.74 0.09 01:30:20 1.42 0.01 1.40 0.02 0.05 17.63 0.38 01:40:20 1.14 0.00 1.14 0.00 0.00 14.04 0.08 01:50:01 1.08 0.00 1.08 0.00 0.00 13.52 0.00 02:00:20 2.06 0.32 1.72 0.02 42.22 104.92 207.42 02:10:10 1.21 0.00 1.21 0.00 0.00 14.96 0.00 02:20:01 1.20 0.00 1.19 0.02 0.00 14.44 45.42 02:30:20 1.54 0.00 1.51 0.03 0.00 18.58 466.72 02:40:20 1.37 0.00 1.36 0.01 0.00 15.92 44.76 02:50:01 29.69 2.99 23.64 3.07 233.36 3720.24 3585.27 Average: 4.13 0.33 3.49 0.31 27.28 386.31 428.89 01:10:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6287212 7534100 286432 3.52 30516 1423016 532376 5.80 446744 1183728 172 01:30:20 6286928 7534348 286200 3.52 30712 1423348 532476 5.80 446796 1184256 132 01:40:20 6294752 7542648 277904 3.42 30860 1423672 532628 5.80 446736 1184728 132 01:50:01 6301360 7549724 270788 3.33 31028 1424004 532628 5.80 446876 1185192 312 02:00:20 6217804 7506256 313368 3.85 31672 1462884 733892 7.99 465128 1214540 168 02:10:10 6239788 7528744 290872 3.58 31848 1463208 733892 7.99 465196 1215040 176 02:20:01 6243968 7533448 286140 3.52 32040 1463532 735540 8.01 466652 1215556 276 02:30:20 6238788 7528852 290648 3.57 32268 1463864 734636 8.00 466500 1216104 188 02:40:20 6238548 7529140 290356 3.57 32448 1464192 734696 8.00 466596 1216624 132 02:50:01 5177404 7272684 501976 6.17 89956 2173476 912852 9.94 704228 1937444 65860 Average: 6152655 7505994 309468 3.81 37335 1518520 671562 7.31 482145 1275321 6755 01:10:41 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.50 0.11 0.18 0.06 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 0.50 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 0.32 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.44 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:00:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:20 ens3 2.04 1.29 3.33 0.12 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 0.32 0.02 0.03 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.26 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.27 0.12 0.04 0.52 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 0.40 0.10 0.12 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 02:50:01 ens3 77.43 56.57 336.74 14.77 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.16 5.72 33.27 1.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6217) 09/09/26 _x86_64_ (2 CPU) 01:07:54 LINUX RESTART (2 CPU) 01:10:41 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.30 0.00 0.11 0.01 0.01 99.57 01:20:01 0 0.12 0.00 0.13 0.02 0.01 99.72 01:20:01 1 0.48 0.00 0.09 0.01 0.01 99.41 01:30:20 all 0.27 0.00 0.17 0.01 0.01 99.54 01:30:20 0 0.10 0.00 0.19 0.02 0.01 99.68 01:30:20 1 0.45 0.00 0.14 0.00 0.01 99.40 01:40:20 all 0.27 0.00 0.08 0.01 0.01 99.63 01:40:20 0 0.06 0.00 0.12 0.02 0.01 99.80 01:40:20 1 0.48 0.00 0.05 0.01 0.00 99.46 01:50:01 all 0.26 0.00 0.07 0.01 0.00 99.65 01:50:01 0 0.06 0.00 0.08 0.02 0.01 99.84 01:50:01 1 0.47 0.00 0.06 0.01 0.00 99.46 02:00:20 all 0.44 0.00 0.21 0.03 0.00 99.32 02:00:20 0 0.35 0.00 0.24 0.05 0.00 99.35 02:00:20 1 0.52 0.00 0.18 0.01 0.00 99.29 02:10:10 all 0.27 0.00 0.08 0.01 0.01 99.63 02:10:10 0 0.06 0.00 0.10 0.00 0.01 99.83 02:10:10 1 0.49 0.00 0.06 0.02 0.01 99.43 02:20:01 all 0.27 0.00 0.09 0.08 0.01 99.55 02:20:01 0 0.06 0.00 0.11 0.00 0.01 99.83 02:20:01 1 0.49 0.00 0.07 0.16 0.01 99.28 02:30:20 all 0.31 0.00 0.19 0.01 0.01 99.49 02:30:20 0 0.11 0.00 0.19 0.00 0.01 99.69 02:30:20 1 0.51 0.00 0.18 0.03 0.01 99.28 02:40:20 all 0.26 0.00 0.10 0.02 0.01 99.62 02:40:20 0 0.07 0.00 0.13 0.01 0.01 99.79 02:40:20 1 0.45 0.00 0.08 0.03 0.01 99.44 02:50:01 all 14.89 0.00 2.50 0.74 0.02 81.85 02:50:01 0 16.42 0.00 2.67 0.96 0.02 79.93 02:50:01 1 13.36 0.00 2.34 0.51 0.03 83.76 Average: all 1.72 0.00 0.36 0.09 0.01 97.82 Average: 0 1.70 0.00 0.39 0.11 0.01 97.79 Average: 1 1.74 0.00 0.32 0.08 0.01 97.86