---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46156 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 735 9344 4 5909 14910 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:25:7f:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83893sec preferred_lft 83893sec inet6 fe80::f816:3eff:fe25:7fb8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:47:7c:58:ed:ce 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-46156) 08/30/26 _x86_64_ (4 CPU) 20:24:16 LINUX RESTART (4 CPU) 20:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:19 16.06 2.25 12.73 1.08 132.47 3858.65 2598.24 20:50:19 71.34 0.37 45.08 25.90 11.45 4151.44 242391.82 21:00:19 34.99 0.17 28.65 6.17 10.97 5090.33 3620.75 Average: 40.61 0.94 28.70 10.97 52.25 4362.90 82252.51 20:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:19 9991736 13695052 2261284 13.81 164664 3629144 2578360 14.80 636288 5329084 77704 20:50:19 8539568 13114968 2833684 17.31 207736 4389368 3078820 17.67 835832 6502712 118432 21:00:19 9682368 15366152 578732 3.53 243804 5399972 1125528 6.46 1219556 4886648 12 Average: 9404557 14058724 1891233 11.55 205401 4472828 2260903 12.98 897225 5572815 65383 20:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:19 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 20:40:19 ens3 83.08 67.72 532.62 20.14 0.00 0.00 0.00 0.00 20:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:19 lo 5927.15 5927.15 5653.84 5653.84 0.00 0.00 0.00 0.00 20:50:19 ens3 72.20 54.28 324.36 19.55 0.00 0.00 0.00 0.00 20:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:19 lo 3155.21 3155.21 3003.61 3003.61 0.00 0.00 0.00 0.00 21:00:19 ens3 75.54 60.56 126.61 65.85 0.00 0.00 0.00 0.00 21:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3004.62 3004.62 2863.67 2863.67 0.00 0.00 0.00 0.00 Average: ens3 76.98 60.91 329.44 35.07 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-46156) 08/30/26 _x86_64_ (4 CPU) 20:24:16 LINUX RESTART (4 CPU) 20:30:05 CPU %user %nice %system %iowait %steal %idle 20:40:19 all 66.78 0.00 2.70 0.06 0.03 30.44 20:40:19 0 65.73 0.00 2.63 0.03 0.03 31.57 20:40:19 1 66.81 0.00 2.66 0.09 0.03 30.42 20:40:19 2 67.16 0.00 2.85 0.02 0.02 29.94 20:40:19 3 67.40 0.00 2.65 0.11 0.02 29.82 20:50:19 all 60.38 0.00 4.62 0.16 0.02 34.82 20:50:19 0 59.51 0.00 4.94 0.15 0.02 35.38 20:50:19 1 60.52 0.00 4.56 0.16 0.03 34.73 20:50:19 2 59.50 0.00 4.26 0.13 0.02 36.09 20:50:19 3 61.96 0.00 4.70 0.21 0.03 33.10 21:00:19 all 51.32 0.00 3.46 0.12 0.02 45.08 21:00:19 0 50.06 0.00 3.50 0.13 0.02 46.29 21:00:19 1 53.38 0.00 3.63 0.10 0.02 42.87 21:00:19 2 49.54 0.00 3.36 0.21 0.02 46.87 21:00:19 3 52.30 0.00 3.32 0.07 0.02 44.29 Average: all 59.55 0.00 3.58 0.12 0.02 36.73 Average: 0 58.49 0.00 3.68 0.10 0.02 37.70 Average: 1 60.29 0.00 3.61 0.11 0.03 35.96 Average: 2 58.80 0.00 3.49 0.12 0.02 37.57 Average: 3 60.61 0.00 3.55 0.13 0.02 35.69