---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41505 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: 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: 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 733 9474 4 5781 14912 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:26:b6:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84402sec preferred_lft 84402sec inet6 fe80::f816:3eff:fe26:b6f7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:2d:30:1c:45:2f 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-41505) 08/27/26 _x86_64_ (4 CPU) 14:07:04 LINUX RESTART (4 CPU) 14:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:08 21.04 2.61 16.94 1.49 145.43 4667.95 4815.03 14:30:01 32.33 0.05 28.85 3.43 1.33 3177.37 27631.01 14:40:01 19.56 0.17 16.68 2.70 12.98 5806.44 2633.58 Average: 24.27 0.96 20.78 2.53 53.84 4556.16 11604.55 14:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:08 9409680 13205992 2749672 16.79 156236 3725552 2971528 17.06 709960 5820836 21388 14:30:01 8681232 13024136 2927168 17.88 182696 4200912 3108640 17.84 858520 6359452 244 14:40:01 9727160 15291344 653804 3.99 204524 5332268 1145468 6.57 946148 5121284 12364 Average: 9272691 13840491 2110215 12.89 181152 4419577 2408545 13.83 838209 5767191 11332 14:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:08 lo 648.01 648.01 617.42 617.42 0.00 0.00 0.00 0.00 14:20:08 ens3 107.82 82.58 875.65 18.03 0.00 0.00 0.00 0.00 14:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1823.11 1823.11 1738.28 1738.28 0.00 0.00 0.00 0.00 14:30:01 ens3 35.21 27.88 159.73 10.18 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 11.73 11.73 1.22 1.22 0.00 0.00 0.00 0.00 14:40:01 ens3 74.06 71.16 128.19 229.03 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 823.16 823.16 781.39 781.39 0.00 0.00 0.00 0.00 Average: ens3 72.66 60.76 390.81 85.73 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-41505) 08/27/26 _x86_64_ (4 CPU) 14:07:04 LINUX RESTART (4 CPU) 14:10:00 CPU %user %nice %system %iowait %steal %idle 14:20:08 all 55.03 0.00 2.03 0.12 0.03 42.79 14:20:08 0 55.72 0.00 1.84 0.11 0.03 42.29 14:20:08 1 55.30 0.00 1.71 0.03 0.03 42.93 14:20:08 2 55.16 0.00 2.15 0.15 0.03 42.51 14:20:08 3 53.95 0.00 2.41 0.18 0.03 43.43 14:30:01 all 54.24 0.00 2.66 0.10 0.03 42.96 14:30:01 0 53.37 0.00 2.49 0.10 0.03 44.01 14:30:01 1 52.59 0.00 2.71 0.13 0.04 44.54 14:30:01 2 54.00 0.00 2.73 0.09 0.03 43.15 14:30:01 3 57.02 0.00 2.70 0.09 0.03 40.16 14:40:01 all 43.74 0.00 1.69 0.10 0.03 54.44 14:40:01 0 39.52 0.00 1.57 0.21 0.02 58.68 14:40:01 1 45.08 0.00 1.91 0.08 0.03 52.90 14:40:01 2 45.64 0.00 1.57 0.08 0.03 52.68 14:40:01 3 44.73 0.00 1.71 0.04 0.03 53.49 Average: all 51.01 0.00 2.12 0.11 0.03 46.73 Average: 0 49.54 0.00 1.96 0.14 0.03 48.32 Average: 1 51.00 0.00 2.10 0.08 0.03 46.78 Average: 2 51.61 0.00 2.15 0.11 0.03 46.11 Average: 3 51.88 0.00 2.27 0.10 0.03 45.71