---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3901 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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: 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: 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 18G 138G 12% / 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 932 19607 4 11552 30690 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:05:80:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.124/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84665sec preferred_lft 84665sec inet6 fe80::f816:3eff:fe05:80d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:e7:af:91:79:4a 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 ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3901) 09/21/26 _x86_64_ (8 CPU) 13:06:03 LINUX RESTART (8 CPU) 13:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:01 41.59 0.98 38.19 2.42 233.00 6865.25 4647.88 13:30:01 11.25 0.24 9.83 1.18 7.68 2970.32 1306.56 Average: 26.35 0.61 23.95 1.80 119.81 4908.66 2969.39 13:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:01 15916788 24985448 7258876 22.09 464500 8138976 12113100 35.72 1546972 14174720 224 13:30:01 15169584 25065088 7175964 21.84 471736 8926300 9464828 27.91 1633140 14812652 1984 Average: 15543186 25025268 7217420 21.96 468118 8532638 10788964 31.82 1590056 14493686 1104 13:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:01 lo 2.80 2.80 1.15 1.15 0.00 0.00 0.00 0.00 13:20:01 ens3 265.01 174.75 572.28 100.58 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 5.35 5.35 0.88 0.88 0.00 0.00 0.00 0.00 13:30:01 ens3 83.35 53.64 102.04 34.23 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.08 4.08 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 173.76 113.91 336.06 67.25 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3901) 09/21/26 _x86_64_ (8 CPU) 13:06:03 LINUX RESTART (8 CPU) 13:10:06 CPU %user %nice %system %iowait %steal %idle 13:20:01 all 78.26 0.00 3.20 0.04 0.03 18.47 13:20:01 0 76.21 0.00 3.35 0.02 0.03 20.39 13:20:01 1 75.83 0.00 3.10 0.07 0.03 20.97 13:20:01 2 78.19 0.00 3.17 0.02 0.03 18.60 13:20:01 3 78.36 0.00 3.46 0.06 0.03 18.10 13:20:01 4 77.00 0.00 3.03 0.02 0.03 19.93 13:20:01 5 79.93 0.00 3.08 0.02 0.03 16.95 13:20:01 6 77.08 0.00 3.11 0.03 0.04 19.74 13:20:01 7 83.51 0.00 3.27 0.06 0.04 13.11 13:30:01 all 96.47 0.00 3.43 0.00 0.04 0.07 13:30:01 0 96.51 0.00 3.39 0.00 0.04 0.06 13:30:01 1 96.40 0.00 3.48 0.00 0.04 0.08 13:30:01 2 96.38 0.00 3.51 0.00 0.03 0.08 13:30:01 3 96.77 0.00 3.14 0.00 0.03 0.06 13:30:01 4 96.34 0.00 3.56 0.00 0.03 0.07 13:30:01 5 96.48 0.00 3.42 0.00 0.04 0.06 13:30:01 6 96.53 0.00 3.37 0.00 0.04 0.06 13:30:01 7 96.35 0.00 3.54 0.00 0.03 0.08 Average: all 87.42 0.00 3.31 0.02 0.03 9.22 Average: 0 86.41 0.00 3.37 0.01 0.04 10.17 Average: 1 86.17 0.00 3.29 0.04 0.03 10.46 Average: 2 87.33 0.00 3.34 0.01 0.03 9.29 Average: 3 87.61 0.00 3.30 0.03 0.03 9.03 Average: 4 86.73 0.00 3.30 0.01 0.03 9.94 Average: 5 88.25 0.00 3.25 0.01 0.03 8.46 Average: 6 86.86 0.00 3.24 0.02 0.04 9.84 Average: 7 89.97 0.00 3.41 0.03 0.03 6.56