---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41428 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): 4 On-line CPU(s) list: 0-3 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): 4 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 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 65G 17% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 681 8173 4 7134 14964 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:bc:0d:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83827sec preferred_lft 83827sec inet6 fe80::f816:3eff:febc:d9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:28:b5:e1:f4:0c 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41428) 08/27/26 _x86_64_ (4 CPU) 09:23:16 LINUX RESTART (4 CPU) 09:30:44 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:07 39.35 0.33 21.45 17.57 16.37 2405.26 256684.03 09:50:47 30.41 0.02 27.12 3.27 0.47 2502.71 17067.99 10:00:47 9.06 0.03 8.66 0.37 0.73 6892.05 51501.56 Average: 26.09 0.12 19.21 6.77 5.52 3933.01 103350.58 09:30:44 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:07 8898860 12821984 3134128 19.14 147320 3875300 3107316 17.84 734232 6325968 193364 09:50:47 8754512 13033820 2919660 17.83 167260 4185796 2820972 16.19 848476 6326560 100308 10:00:47 6405784 12968568 2977236 18.18 181568 6379980 2863500 16.44 1673556 7774604 420192 Average: 8019719 12941457 3010341 18.39 165383 4813692 2930596 16.82 1085421 6809044 237955 09:30:44 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:07 lo 1568.04 1568.04 1488.31 1488.31 0.00 0.00 0.00 0.00 09:40:07 ens3 47.97 39.48 91.97 14.12 0.00 0.00 0.00 0.00 09:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:47 lo 1480.33 1480.33 1410.82 1410.82 0.00 0.00 0.00 0.00 09:50:47 ens3 32.56 26.58 28.47 11.33 0.00 0.00 0.00 0.00 09:50:47 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:47 lo 2538.96 2538.96 9295.02 9295.02 0.00 0.00 0.00 0.00 10:00:47 ens3 19.35 17.32 95.18 4.85 0.00 0.00 0.00 0.00 10:00:47 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1860.02 1860.02 4058.80 4058.80 0.00 0.00 0.00 0.00 Average: ens3 32.98 27.53 70.50 10.05 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41428) 08/27/26 _x86_64_ (4 CPU) 09:23:16 LINUX RESTART (4 CPU) 09:30:44 CPU %user %nice %system %iowait %steal %idle 09:40:07 all 67.89 0.00 2.73 0.09 0.03 29.26 09:40:07 0 67.65 0.00 2.92 0.08 0.03 29.32 09:40:07 1 67.08 0.00 2.49 0.16 0.03 30.24 09:40:07 2 68.64 0.00 2.65 0.07 0.03 28.61 09:40:07 3 68.20 0.00 2.85 0.06 0.03 28.86 09:50:47 all 62.26 0.00 2.80 0.09 0.03 34.82 09:50:47 0 61.60 0.00 2.75 0.12 0.03 35.50 09:50:47 1 63.10 0.00 2.96 0.08 0.03 33.83 09:50:47 2 63.45 0.00 2.66 0.07 0.03 33.79 09:50:47 3 60.90 0.00 2.82 0.08 0.03 36.17 10:00:47 all 30.47 0.00 1.40 0.13 0.02 67.98 10:00:47 0 29.85 0.00 1.19 0.06 0.02 68.88 10:00:47 1 25.82 0.00 1.80 0.18 0.02 72.18 10:00:47 2 26.10 0.00 1.28 0.14 0.02 72.45 10:00:47 3 40.09 0.00 1.33 0.13 0.03 58.42 Average: all 53.43 0.00 2.31 0.10 0.03 44.13 Average: 0 52.90 0.00 2.28 0.09 0.03 44.70 Average: 1 51.93 0.00 2.43 0.14 0.03 45.47 Average: 2 52.64 0.00 2.20 0.09 0.03 45.04 Average: 3 56.25 0.00 2.33 0.09 0.03 41.30