---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37257 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 68G 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 630 10886 4 4472 15016 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:5a:77:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84478sec preferred_lft 84478sec inet6 fe80::f816:3eff:fe5a:77b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:18:d5:8d:13:3a 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-37257) 08/13/26 _x86_64_ (4 CPU) 07:07:08 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:53 25.68 2.07 22.99 0.62 124.50 2444.80 2894.83 07:30:30 11.03 2.28 8.24 0.51 136.66 2403.47 1211.48 Average: 18.80 2.17 16.07 0.57 130.21 2425.40 2104.57 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:53 13097844 15533648 447972 2.74 91480 2538824 997004 5.72 308428 2659240 248 07:30:30 10779452 13938920 2023484 12.36 129536 3173000 2400924 13.78 513460 4727088 23932 Average: 11938648 14736284 1235728 7.55 110508 2855912 1698964 9.75 410944 3693164 12090 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:53 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 07:20:53 ens3 41.95 31.00 281.00 7.22 0.00 0.00 0.00 0.00 07:20:53 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:30 lo 0.74 0.74 0.07 0.07 0.00 0.00 0.00 0.00 07:30:30 ens3 88.11 70.12 586.89 15.21 0.00 0.00 0.00 0.00 07:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 63.62 49.36 424.60 10.97 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-37257) 08/13/26 _x86_64_ (4 CPU) 07:07:08 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:53 all 2.71 0.00 0.33 2.43 0.02 94.51 07:20:53 0 1.85 0.00 0.27 5.69 0.02 92.16 07:20:53 1 3.12 0.00 0.34 0.57 0.02 95.95 07:20:53 2 2.36 0.00 0.31 0.59 0.02 96.72 07:20:53 3 3.50 0.00 0.40 2.87 0.03 93.20 07:30:30 all 35.78 0.00 1.25 0.15 0.07 62.75 07:30:30 0 35.04 0.00 1.48 0.16 0.07 63.25 07:30:30 1 36.72 0.00 1.06 0.13 0.07 62.02 07:30:30 2 35.88 0.00 1.50 0.11 0.07 62.45 07:30:30 3 35.48 0.00 0.97 0.21 0.07 63.26 Average: all 18.23 0.00 0.76 1.36 0.04 79.60 Average: 0 17.43 0.00 0.84 3.09 0.04 78.59 Average: 1 18.89 0.00 0.68 0.36 0.04 80.03 Average: 2 18.09 0.00 0.87 0.36 0.04 80.64 Average: 3 18.50 0.00 0.67 1.62 0.05 79.16