---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2507 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: 5599.99 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 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 782 5176 4 2276 7159 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:5f:fd:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81612sec preferred_lft 81612sec inet6 fe80::f816:3eff:fe5f:fd99/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2507) 08/06/26 _x86_64_ (2 CPU) 01:56:09 LINUX RESTART (2 CPU) 02:00:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:35 1.26 0.03 1.22 0.00 2.28 15.28 0.09 02:20:01 1.14 0.01 1.13 0.00 0.07 14.17 0.00 02:30:30 14.14 0.00 1.48 12.66 0.14 18.60 104091.82 02:40:32 1.22 0.00 1.22 0.00 0.00 15.12 0.09 02:50:01 1.11 0.00 1.11 0.00 0.00 14.10 0.01 03:00:32 1.41 0.00 1.39 0.01 0.00 17.18 0.29 03:10:04 12.71 1.45 10.73 0.54 109.25 1218.30 189.18 Average: 4.75 0.20 2.56 1.99 15.33 180.56 15713.39 02:00:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:35 6268016 7543500 277092 3.41 31252 1449812 528192 5.75 448812 1201868 224 02:20:01 6265384 7541352 279244 3.43 31424 1450108 528268 5.75 448948 1202344 248 02:30:30 6252952 7529516 290804 3.58 31604 1450516 576032 6.27 454816 1202900 180 02:40:32 6238336 7515404 304968 3.75 31784 1450840 556452 6.06 477772 1203400 212 02:50:01 6238336 7516012 304388 3.74 31948 1451268 556452 6.06 477804 1203872 252 03:00:32 6229396 7507616 312776 3.85 32124 1451628 556484 6.06 477968 1204408 184 03:10:04 5609252 7456176 327036 4.02 68060 1952712 582612 6.35 520148 1726284 242280 Average: 6157382 7515654 299473 3.68 36885 1522412 554927 6.04 472324 1277868 34797 02:00:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:35 ens3 0.60 0.05 0.06 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 0.43 0.08 0.09 0.04 0.00 0.00 0.00 0.00 02:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:30 ens3 0.29 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:32 ens3 6.30 4.06 4.10 3.48 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.55 0.13 0.16 0.09 0.00 0.00 0.00 0.00 03:00:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:32 ens3 0.31 0.06 0.08 0.04 0.00 0.00 0.00 0.00 03:10:04 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 03:10:04 ens3 33.28 21.40 216.34 9.40 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.78 3.57 30.29 1.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2507) 08/06/26 _x86_64_ (2 CPU) 01:56:09 LINUX RESTART (2 CPU) 02:00:32 CPU %user %nice %system %iowait %steal %idle 02:10:35 all 0.25 0.00 0.08 0.01 0.03 99.62 02:10:35 0 0.07 0.00 0.09 0.01 0.04 99.79 02:10:35 1 0.44 0.00 0.07 0.01 0.02 99.45 02:20:01 all 0.24 0.00 0.07 0.02 0.03 99.64 02:20:01 0 0.38 0.00 0.05 0.01 0.02 99.53 02:20:01 1 0.10 0.00 0.09 0.02 0.04 99.75 02:30:30 all 0.29 0.00 0.18 0.03 0.03 99.47 02:30:30 0 0.48 0.00 0.16 0.01 0.02 99.32 02:30:30 1 0.10 0.00 0.20 0.05 0.04 99.61 02:40:32 all 0.41 0.00 0.10 0.06 0.03 99.40 02:40:32 0 0.33 0.00 0.11 0.05 0.03 99.48 02:40:32 1 0.48 0.00 0.09 0.08 0.03 99.32 02:50:01 all 0.26 0.00 0.07 0.03 0.03 99.61 02:50:01 0 0.05 0.00 0.10 0.06 0.03 99.75 02:50:01 1 0.47 0.00 0.05 0.00 0.02 99.46 03:00:32 all 0.30 0.00 0.16 0.03 0.03 99.48 03:00:32 0 0.08 0.00 0.18 0.03 0.04 99.68 03:00:32 1 0.51 0.00 0.15 0.04 0.02 99.28 03:10:04 all 4.80 0.00 0.80 0.33 0.04 94.03 03:10:04 0 2.44 0.00 0.58 0.38 0.05 96.56 03:10:04 1 7.16 0.00 1.03 0.28 0.03 91.50 Average: all 0.91 0.00 0.21 0.07 0.03 98.78 Average: 0 0.54 0.00 0.18 0.08 0.03 99.17 Average: 1 1.29 0.00 0.24 0.07 0.03 98.38