---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3684 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 675 10432 4 4881 14971 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:04:42:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83693sec preferred_lft 83693sec inet6 fe80::f816:3eff:fe04:42a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:e9:8a:df:08:40 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-3684) 08/09/26 _x86_64_ (4 CPU) 01:54:29 LINUX RESTART (4 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:09 1.69 0.00 1.68 0.01 0.04 38.73 0.21 02:20:09 10.73 1.87 8.20 0.66 122.92 2589.05 1687.67 02:30:09 22.61 0.83 19.12 2.66 29.51 3097.76 2877.69 Average: 11.63 0.90 9.63 1.10 50.58 1899.56 1514.57 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:09 13001892 15506572 468104 2.86 99472 2594080 1008836 5.79 341004 2701312 148 02:20:09 10768728 14089860 1870796 11.43 130960 3316868 2186360 12.55 545800 4682252 23748 02:30:09 8664128 12940832 3011436 18.39 168284 4156632 3187944 18.30 778752 6470580 122552 Average: 10811583 14179088 1783445 10.89 132905 3355860 2127713 12.21 555185 4618048 48816 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:10:09 ens3 21.82 17.62 225.16 1.81 0.00 0.00 0.00 0.00 02:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:09 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 02:20:09 ens3 86.61 71.55 659.26 15.51 0.00 0.00 0.00 0.00 02:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:09 lo 1294.12 1294.12 1233.93 1233.93 0.00 0.00 0.00 0.00 02:30:09 ens3 79.46 59.77 330.83 16.77 0.00 0.00 0.00 0.00 02:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 429.65 429.65 409.37 409.37 0.00 0.00 0.00 0.00 Average: ens3 62.43 49.49 404.22 11.32 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-3684) 08/09/26 _x86_64_ (4 CPU) 01:54:29 LINUX RESTART (4 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:09 all 0.30 0.00 0.05 0.01 0.01 99.63 02:10:09 0 0.03 0.00 0.03 0.00 0.01 99.93 02:10:09 1 0.06 0.00 0.04 0.00 0.01 99.89 02:10:09 2 0.58 0.00 0.07 0.03 0.02 99.30 02:10:09 3 0.52 0.00 0.08 0.00 0.01 99.38 02:20:09 all 48.18 0.00 1.62 0.05 0.09 50.06 02:20:09 0 47.73 0.00 1.78 0.04 0.09 50.36 02:20:09 1 49.53 0.00 1.72 0.02 0.10 48.64 02:20:09 2 47.04 0.00 1.43 0.10 0.10 51.34 02:20:09 3 48.40 0.00 1.56 0.05 0.09 49.89 02:30:09 all 67.34 0.00 2.64 0.05 0.13 29.84 02:30:09 0 67.58 0.00 2.84 0.06 0.13 29.40 02:30:09 1 66.58 0.00 2.41 0.06 0.13 30.83 02:30:09 2 71.25 0.00 2.84 0.04 0.13 25.73 02:30:09 3 63.95 0.00 2.49 0.04 0.12 33.39 Average: all 38.40 0.00 1.43 0.04 0.08 60.05 Average: 0 38.25 0.00 1.54 0.03 0.08 60.11 Average: 1 38.53 0.00 1.38 0.03 0.08 59.99 Average: 2 39.42 0.00 1.44 0.05 0.08 59.00 Average: 3 37.43 0.00 1.37 0.03 0.08 61.10