---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6211 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: 5600.00 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 756 5188 4 2291 7185 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:c3:dc:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79942sec preferred_lft 79942sec inet6 fe80::f816:3eff:fec3:dc71/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6211) 09/09/26 _x86_64_ (2 CPU) 01:07:45 LINUX RESTART (2 CPU) 01:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.40 0.03 1.37 0.00 1.29 16.48 5.88 01:30:16 1.63 0.01 1.61 0.02 0.05 19.64 39.40 01:40:06 1.35 0.00 1.33 0.02 0.00 16.37 58.31 01:50:01 1.15 0.00 1.14 0.02 0.00 14.52 57.82 02:00:16 1.41 0.00 1.39 0.03 0.00 17.74 61.80 02:10:46 1.78 0.31 1.45 0.02 41.44 100.00 51.90 02:20:01 1.16 0.00 1.16 0.00 0.00 14.22 0.00 02:30:06 1.40 0.00 1.38 0.01 0.00 17.56 422.66 02:40:36 13.88 0.00 1.29 12.59 0.14 15.97 103766.63 02:50:01 26.59 3.03 21.13 2.44 238.28 3720.97 993.71 Average: 5.11 0.32 3.21 1.57 26.99 374.97 11087.65 01:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6302128 7549296 270868 3.33 30536 1423288 528296 5.75 448196 1183752 272 01:30:16 6293156 7540880 279280 3.43 30744 1423620 528384 5.76 448288 1184292 120 01:40:06 6295860 7544132 276048 3.39 30960 1423944 528536 5.76 448380 1184832 68 01:50:01 6295980 7544780 275424 3.39 31152 1424272 528536 5.76 448652 1185352 124 02:00:16 6286780 7536144 284036 3.49 31384 1424604 528552 5.76 448796 1185904 184 02:10:46 6224152 7513560 305804 3.76 32056 1463484 729680 7.95 467060 1215248 132 02:20:01 6231236 7521104 298240 3.67 32184 1463808 729680 7.95 467004 1215696 300 02:30:06 6249176 7539628 279604 3.44 32376 1464140 729844 7.95 467436 1216232 204 02:40:36 6248208 7539184 279984 3.44 32528 1464512 729908 7.95 467484 1216720 156 02:50:01 5182004 7403596 362308 4.46 87800 2294416 837272 9.12 601128 2056392 532 Average: 6160868 7523230 291160 3.58 37172 1527009 639869 6.97 471242 1284442 209 01:10:16 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 1.59 0.11 0.19 0.06 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.51 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.32 0.07 0.07 0.04 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 0.43 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 0.28 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:10:46 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:46 ens3 1.01 0.52 3.17 0.05 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 0.25 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.33 0.14 0.05 0.55 0.00 0.00 0.00 0.00 02:40:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:36 ens3 0.39 0.11 0.12 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 02:50:01 ens3 100.30 75.62 344.76 17.48 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 9.98 7.26 32.94 1.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6211) 09/09/26 _x86_64_ (2 CPU) 01:07:45 LINUX RESTART (2 CPU) 01:10:16 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.28 0.00 0.13 0.02 0.01 99.56 01:20:01 0 0.09 0.00 0.15 0.01 0.01 99.74 01:20:01 1 0.47 0.00 0.11 0.03 0.01 99.37 01:30:16 all 0.29 0.00 0.21 0.01 0.00 99.48 01:30:16 0 0.08 0.00 0.20 0.00 0.00 99.71 01:30:16 1 0.50 0.00 0.22 0.02 0.00 99.26 01:40:06 all 0.27 0.00 0.09 0.01 0.01 99.62 01:40:06 0 0.07 0.00 0.10 0.00 0.01 99.82 01:40:06 1 0.48 0.00 0.08 0.02 0.01 99.41 01:50:01 all 0.27 0.00 0.11 0.01 0.01 99.60 01:50:01 0 0.08 0.00 0.13 0.00 0.01 99.78 01:50:01 1 0.46 0.00 0.09 0.02 0.01 99.42 02:00:16 all 0.27 0.00 0.18 0.01 0.00 99.54 02:00:16 0 0.08 0.00 0.18 0.00 0.00 99.73 02:00:16 1 0.45 0.00 0.17 0.02 0.00 99.35 02:10:46 all 0.40 0.00 0.14 0.02 0.01 99.43 02:10:46 0 0.29 0.00 0.10 0.02 0.01 99.58 02:10:46 1 0.51 0.00 0.18 0.02 0.01 99.28 02:20:01 all 0.28 0.00 0.12 0.01 0.01 99.58 02:20:01 0 0.50 0.00 0.10 0.01 0.00 99.38 02:20:01 1 0.07 0.00 0.14 0.01 0.01 99.78 02:30:06 all 0.29 0.00 0.19 0.01 0.00 99.50 02:30:06 0 0.50 0.00 0.18 0.01 0.00 99.31 02:30:06 1 0.08 0.00 0.21 0.01 0.00 99.70 02:40:36 all 0.24 0.00 0.11 0.04 0.01 99.61 02:40:36 0 0.40 0.00 0.10 0.06 0.00 99.43 02:40:36 1 0.08 0.00 0.11 0.02 0.01 99.78 02:50:01 all 14.44 0.00 2.47 1.02 0.02 82.04 02:50:01 0 13.35 0.00 2.24 0.84 0.02 83.54 02:50:01 1 15.53 0.00 2.70 1.20 0.02 80.54 Average: all 1.63 0.00 0.36 0.11 0.01 97.89 Average: 0 1.47 0.00 0.34 0.09 0.01 98.09 Average: 1 1.78 0.00 0.39 0.13 0.01 97.69