---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41938 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 12G 67G 15% / 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 713 9353 4 5922 14932 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:79:6b:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84313sec preferred_lft 84313sec inet6 fe80::f816:3eff:fe79:6b07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:ec:a0:19:f0:0d 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-41938) 08/28/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 23.19 3.02 18.64 1.53 183.89 5380.47 16823.92 06:50:33 34.47 0.04 30.74 3.69 1.13 3188.46 32386.23 07:00:07 32.77 0.16 15.26 17.34 11.45 5773.12 245023.49 Average: 30.31 1.03 21.86 7.41 63.01 4726.31 96152.09 06:30:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9569288 13517560 2436772 14.88 159960 3871160 2829592 16.24 700892 5677248 18620 06:50:33 8931008 13466392 2483164 15.17 193004 4377564 2784392 15.98 873264 6073772 16740 07:00:07 9760352 15461916 481612 2.94 213692 5456476 1007728 5.78 954616 5086476 24 Average: 9420216 14148623 1800516 11.00 188885 4568400 2207237 12.67 842924 5612499 11795 06:30:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 474.50 474.50 451.45 451.45 0.00 0.00 0.00 0.00 06:40:01 ens3 110.98 83.89 1268.20 17.31 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:33 lo 1860.93 1860.93 1774.37 1774.37 0.00 0.00 0.00 0.00 06:50:33 ens3 34.51 27.43 129.88 10.43 0.00 0.00 0.00 0.00 06:50:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:07 lo 12.44 12.44 1.29 1.29 0.00 0.00 0.00 0.00 07:00:07 ens3 71.73 69.44 130.40 222.54 0.00 0.00 0.00 0.00 07:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 819.16 819.16 777.32 777.32 0.00 0.00 0.00 0.00 Average: ens3 71.04 59.10 494.69 81.21 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-41938) 08/28/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:32 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 49.70 0.00 2.00 0.16 0.02 48.12 06:40:01 0 49.20 0.00 2.10 0.10 0.02 48.57 06:40:01 1 49.93 0.00 1.69 0.12 0.02 48.24 06:40:01 2 49.19 0.00 1.98 0.29 0.02 48.52 06:40:01 3 50.46 0.00 2.22 0.15 0.02 47.14 06:50:33 all 60.40 0.00 3.00 0.09 0.03 36.48 06:50:33 0 59.70 0.00 3.03 0.08 0.03 37.16 06:50:33 1 59.36 0.00 3.12 0.09 0.04 37.39 06:50:33 2 61.56 0.00 3.04 0.12 0.03 35.25 06:50:33 3 61.00 0.00 2.80 0.07 0.02 36.11 07:00:07 all 45.97 0.00 1.75 0.10 0.03 52.15 07:00:07 0 44.56 0.00 1.68 0.08 0.03 53.65 07:00:07 1 44.64 0.00 1.57 0.10 0.02 53.67 07:00:07 2 47.91 0.00 2.10 0.14 0.02 49.83 07:00:07 3 46.78 0.00 1.64 0.09 0.04 51.46 Average: all 52.30 0.00 2.27 0.12 0.03 45.29 Average: 0 51.42 0.00 2.29 0.09 0.03 46.17 Average: 1 51.57 0.00 2.16 0.11 0.03 46.14 Average: 2 53.18 0.00 2.40 0.18 0.02 44.22 Average: 3 53.02 0.00 2.24 0.10 0.03 44.62