---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3938 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 29G 126G 19% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 836 7766 4 23489 30787 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:77:80:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.150/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84614sec preferred_lft 84614sec inet6 fe80::f816:3eff:fe77:8031/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:33:d9:a9:0d:1e brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::3c33:d9ff:fea9:d1e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3938) 08/04/26 _x86_64_ (8 CPU) 07:49:42 LINUX RESTART (8 CPU) 07:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:22 142.70 9.69 128.74 4.27 1410.38 18731.95 29754.01 08:10:00 311.83 0.37 301.71 9.75 8.46 75307.37 413736.41 Average: 224.13 5.20 212.02 6.91 735.36 45972.78 214640.00 07:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:22 25574808 31195380 1102024 3.35 186460 5569888 1727472 5.09 1783308 4903716 466204 08:10:00 11282092 31071704 1167608 3.55 460968 18891452 1711804 5.05 7247360 13116952 54276 Average: 18428450 31133542 1134816 3.45 323714 12230670 1719638 5.07 4515334 9010334 260240 07:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:22 lo 0.72 0.72 0.08 0.08 0.00 0.00 0.00 0.00 08:00:22 ens3 182.88 120.24 1798.64 388.68 0.00 0.00 0.00 0.00 08:00:22 docker0 33.88 61.90 1.94 788.90 0.00 0.00 0.00 0.00 08:00:22 veth0965679 28.31 45.77 1.94 408.29 0.00 0.00 0.00 0.03 08:10:00 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 08:10:00 ens3 141.37 86.84 1670.47 2370.77 0.00 0.00 0.00 0.00 08:10:00 docker0 0.05 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 162.90 104.16 1736.93 1343.05 0.00 0.00 0.00 0.00 Average: docker0 17.59 32.12 1.00 409.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3938) 08/04/26 _x86_64_ (8 CPU) 07:49:42 LINUX RESTART (8 CPU) 07:50:00 CPU %user %nice %system %iowait %steal %idle 08:00:22 all 4.79 0.00 1.30 0.41 0.03 93.47 08:00:22 0 4.29 0.00 1.04 0.14 0.02 94.50 08:00:22 1 4.17 0.00 1.37 0.55 0.04 93.88 08:00:22 2 5.14 0.00 1.52 0.52 0.04 92.78 08:00:22 3 4.72 0.00 1.09 0.25 0.03 93.91 08:00:22 4 4.25 0.00 1.44 0.99 0.03 93.30 08:00:22 5 4.42 0.00 1.25 0.22 0.03 94.08 08:00:22 6 3.68 0.00 1.23 0.27 0.03 94.80 08:00:22 7 7.62 0.00 1.48 0.35 0.04 90.51 08:10:00 all 9.89 0.00 3.65 1.08 0.06 85.31 08:10:00 0 7.56 0.00 2.94 0.70 0.05 88.74 08:10:00 1 11.64 0.00 3.75 0.88 0.07 83.67 08:10:00 2 9.31 0.00 3.45 0.66 0.06 86.52 08:10:00 3 9.30 0.00 4.12 1.23 0.07 85.29 08:10:00 4 10.56 0.00 3.56 1.13 0.06 84.69 08:10:00 5 10.97 0.00 3.85 1.15 0.07 83.96 08:10:00 6 10.97 0.00 4.07 0.94 0.07 83.96 08:10:00 7 8.83 0.00 3.46 1.96 0.07 85.68 Average: all 7.24 0.00 2.43 0.73 0.05 89.56 Average: 0 5.86 0.00 1.95 0.41 0.04 91.74 Average: 1 7.75 0.00 2.51 0.70 0.05 88.98 Average: 2 7.14 0.00 2.45 0.59 0.05 89.77 Average: 3 6.92 0.00 2.55 0.72 0.05 89.77 Average: 4 7.28 0.00 2.46 1.05 0.05 89.16 Average: 5 7.57 0.00 2.50 0.67 0.05 89.22 Average: 6 7.18 0.00 2.59 0.59 0.05 89.59 Average: 7 8.20 0.00 2.43 1.13 0.05 88.19