---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2428 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 nrip_save 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 11G 67G 14% / 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 673 10443 4 4872 14973 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:4a:e5:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83941sec preferred_lft 83941sec inet6 fe80::f816:3eff:fe4a:e5e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:0b:b5:ac:e8:cc 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-2428) 08/05/26 _x86_64_ (4 CPU) 22:36:46 LINUX RESTART (4 CPU) 22:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:10 2.09 0.03 2.04 0.01 0.79 45.63 0.71 23:00:08 25.42 1.89 9.61 13.92 123.54 2607.00 243260.39 23:10:01 29.00 0.84 24.92 3.24 29.90 3207.25 3571.70 Average: 18.70 0.91 12.09 5.70 51.13 1937.15 81956.73 22:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:10 12995284 15493284 481820 2.94 99100 2587760 986216 5.66 338616 2693864 172 23:00:08 10785808 14106292 1854652 11.33 131068 3315224 2491012 14.30 548612 4666476 22900 23:10:01 8845132 13105032 2847580 17.39 166920 4142012 3020124 17.34 777892 6286544 112604 Average: 10875408 14234869 1728017 10.55 132363 3348332 2165784 12.43 555040 4548961 45225 22:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:50:10 ens3 20.58 16.97 209.33 1.86 0.00 0.00 0.00 0.00 22:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:08 lo 0.92 0.92 0.09 0.09 0.00 0.00 0.00 0.00 23:00:08 ens3 93.67 74.02 665.93 15.99 0.00 0.00 0.00 0.00 23:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 1556.02 1556.02 1483.06 1483.06 0.00 0.00 0.00 0.00 23:10:01 ens3 92.19 67.39 335.51 18.30 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 512.65 512.65 488.33 488.33 0.00 0.00 0.00 0.00 Average: ens3 68.43 52.51 402.50 11.97 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-2428) 08/05/26 _x86_64_ (4 CPU) 22:36:46 LINUX RESTART (4 CPU) 22:40:01 CPU %user %nice %system %iowait %steal %idle 22:50:10 all 0.28 0.00 0.08 0.01 0.02 99.62 22:50:10 0 0.36 0.00 0.03 0.01 0.01 99.58 22:50:10 1 0.21 0.00 0.07 0.02 0.02 99.68 22:50:10 2 0.33 0.00 0.13 0.01 0.01 99.51 22:50:10 3 0.21 0.00 0.08 0.00 0.01 99.70 23:00:08 all 46.89 0.00 1.61 0.05 0.09 51.36 23:00:08 0 47.20 0.00 1.84 0.02 0.08 50.85 23:00:08 1 46.16 0.00 1.43 0.02 0.09 52.32 23:00:08 2 46.18 0.00 1.64 0.14 0.09 51.95 23:00:08 3 48.04 0.00 1.52 0.02 0.09 50.33 23:10:01 all 69.30 0.00 2.78 0.04 0.11 27.77 23:10:01 0 67.13 0.00 2.79 0.05 0.11 29.92 23:10:01 1 70.39 0.00 2.77 0.03 0.11 26.71 23:10:01 2 69.37 0.00 2.97 0.03 0.11 27.52 23:10:01 3 70.33 0.00 2.60 0.04 0.11 26.92 Average: all 38.46 0.00 1.48 0.03 0.07 59.96 Average: 0 37.88 0.00 1.54 0.03 0.07 60.48 Average: 1 38.55 0.00 1.41 0.02 0.07 59.95 Average: 2 38.26 0.00 1.57 0.06 0.07 60.05 Average: 3 39.15 0.00 1.39 0.02 0.07 59.37