---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34110 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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: 5599.94 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 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 747 5129 4 2358 7194 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:52:24:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80508sec preferred_lft 80508sec inet6 fe80::f816:3eff:fe52:24d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34110) 08/11/26 _x86_64_ (2 CPU) 00:36:21 LINUX RESTART (2 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:09 1.49 0.02 1.46 0.00 1.24 17.74 2.30 01:00:10 2.47 0.71 1.72 0.04 94.07 77.73 502.91 01:10:10 14.62 0.01 1.35 13.26 1.20 16.64 109022.28 01:20:10 1.13 0.00 1.11 0.02 0.01 14.10 23.07 01:30:10 1.58 0.00 1.54 0.03 0.00 19.41 643.99 01:40:11 1.21 0.00 1.19 0.02 0.00 14.90 23.04 01:50:17 17.26 1.57 14.75 0.94 113.49 2197.12 239.66 02:00:09 13.01 1.25 10.28 1.47 110.85 1329.47 587.20 02:10:07 1.36 0.00 1.34 0.02 0.00 75.09 1.74 Average: 6.02 0.40 3.86 1.76 35.64 418.56 12348.76 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:09 6283080 7534212 286708 3.53 31032 1425788 529912 5.77 441540 1188344 184 01:00:10 6238544 7519028 301200 3.70 31532 1454240 723852 7.88 458312 1206984 300 01:10:10 6243024 7524428 295708 3.64 31732 1454928 530144 5.77 452548 1207536 132 01:20:10 6250596 7532528 287600 3.54 31936 1455248 530296 5.78 452796 1208060 264 01:30:10 6275476 7558092 261948 3.22 32140 1455712 530360 5.78 453136 1208600 132 01:40:11 6275476 7558624 261408 3.21 32340 1456040 530424 5.78 453200 1209128 204 01:50:17 5443676 7386984 393352 4.84 72176 2042376 636496 6.93 590676 1818636 47568 02:00:09 5196156 7415676 351268 4.32 87416 2292020 642912 7.00 593508 2054672 196 02:10:07 5172644 7409640 357396 4.39 87576 2309344 647708 7.05 597560 2072148 312 Average: 5930964 7493246 310732 3.82 48653 1705077 589123 6.42 499253 1463790 5477 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:09 ens3 1.57 0.17 0.25 0.11 0.00 0.00 0.00 0.00 01:00:10 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.81 0.36 3.35 0.10 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.64 0.29 1.55 0.71 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.52 0.11 0.15 0.10 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.29 0.10 0.13 0.08 0.00 0.00 0.00 0.00 01:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 0.48 0.14 0.17 0.10 0.00 0.00 0.00 0.00 01:50:17 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:17 ens3 40.89 25.49 275.49 6.13 0.00 0.00 0.00 0.00 02:00:09 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:09 ens3 62.08 47.97 46.66 8.81 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 39.63 38.77 8.63 5.29 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 16.27 12.54 37.61 2.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34110) 08/11/26 _x86_64_ (2 CPU) 00:36:21 LINUX RESTART (2 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:09 all 0.29 0.00 0.09 0.01 0.03 99.59 00:50:09 0 0.13 0.00 0.09 0.01 0.02 99.74 00:50:09 1 0.44 0.00 0.08 0.01 0.03 99.44 01:00:10 all 0.40 0.00 0.20 0.03 0.03 99.34 01:00:10 0 0.14 0.00 0.21 0.02 0.03 99.61 01:00:10 1 0.66 0.00 0.20 0.04 0.02 99.08 01:10:10 all 0.23 0.00 0.09 0.03 0.03 99.62 01:10:10 0 0.39 0.00 0.07 0.01 0.02 99.52 01:10:10 1 0.08 0.00 0.11 0.05 0.04 99.73 01:20:10 all 0.23 0.00 0.06 0.01 0.02 99.67 01:20:10 0 0.39 0.00 0.05 0.00 0.01 99.55 01:20:10 1 0.08 0.00 0.08 0.02 0.04 99.79 01:30:10 all 0.30 0.00 0.17 0.01 0.02 99.49 01:30:10 0 0.44 0.00 0.15 0.00 0.02 99.39 01:30:10 1 0.17 0.00 0.19 0.01 0.03 99.59 01:40:11 all 0.24 0.00 0.07 0.01 0.02 99.66 01:40:11 0 0.13 0.00 0.08 0.01 0.02 99.76 01:40:11 1 0.34 0.00 0.06 0.01 0.02 99.56 01:50:17 all 6.27 0.00 0.93 0.32 0.04 92.44 01:50:17 0 8.77 0.00 1.07 0.12 0.04 90.01 01:50:17 1 3.77 0.00 0.79 0.53 0.03 94.88 02:00:09 all 9.57 0.00 1.36 0.20 0.07 88.80 02:00:09 0 9.14 0.00 1.49 0.19 0.08 89.10 02:00:09 1 9.99 0.00 1.24 0.20 0.07 88.50 02:10:07 all 6.12 0.00 0.60 0.01 0.06 93.21 02:10:07 0 6.04 0.00 0.63 0.01 0.06 93.26 02:10:07 1 6.20 0.00 0.57 0.01 0.06 93.16 Average: all 2.60 0.00 0.39 0.07 0.04 96.90 Average: 0 2.82 0.00 0.42 0.04 0.03 96.69 Average: 1 2.39 0.00 0.37 0.10 0.04 97.11