---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3033 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 650 10468 4 4871 14996 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:bf:77:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83863sec preferred_lft 83863sec inet6 fe80::f816:3eff:febf:77a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:c8:ba:16:a9:44 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-3033) 08/07/26 _x86_64_ (4 CPU) 09:14:55 LINUX RESTART (4 CPU) 09:20:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:45 1.72 0.00 1.71 0.01 0.04 46.17 275.34 09:40:06 14.21 2.00 11.31 0.91 131.28 3039.29 2357.37 09:50:30 28.95 0.88 24.21 3.86 30.45 4103.66 5347.56 Average: 15.04 0.93 12.49 1.62 51.46 2383.11 2679.53 09:20:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:45 13029112 15528912 446036 2.72 99768 2588812 988772 5.68 338644 2681120 76 09:40:06 10720308 14119960 1839836 11.24 134612 3382816 2476604 14.22 559716 4706160 28840 09:50:30 10839760 15457080 495048 3.02 175876 4469856 1029812 5.91 898064 4129964 89160 Average: 11529727 15035317 926973 5.66 136752 3480495 1498396 8.60 598808 3839081 39359 09:20:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:45 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:45 ens3 20.65 15.38 219.06 1.93 0.00 0.00 0.00 0.00 09:30:45 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:06 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 09:40:06 ens3 100.43 80.35 662.30 19.70 0.00 0.00 0.00 0.00 09:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:30 lo 1608.93 1608.93 1533.98 1533.98 0.00 0.00 0.00 0.00 09:50:30 ens3 96.03 71.25 437.53 19.09 0.00 0.00 0.00 0.00 09:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 557.23 557.23 530.91 530.91 0.00 0.00 0.00 0.00 Average: ens3 71.60 54.96 432.79 13.40 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-3033) 08/07/26 _x86_64_ (4 CPU) 09:14:55 LINUX RESTART (4 CPU) 09:20:27 CPU %user %nice %system %iowait %steal %idle 09:30:45 all 0.30 0.00 0.07 3.20 0.02 96.41 09:30:45 0 0.13 0.00 0.08 0.04 0.03 99.72 09:30:45 1 0.42 0.00 0.07 3.88 0.02 95.62 09:30:45 2 0.33 0.00 0.03 4.22 0.01 95.41 09:30:45 3 0.32 0.00 0.09 4.65 0.02 94.91 09:40:06 all 61.16 0.00 2.09 0.30 0.12 36.32 09:40:06 0 61.00 0.00 2.00 0.10 0.12 36.78 09:40:06 1 60.18 0.00 2.27 0.55 0.13 36.87 09:40:06 2 61.73 0.00 1.99 0.14 0.12 36.02 09:40:06 3 61.75 0.00 2.08 0.43 0.12 35.62 09:50:30 all 68.87 0.00 2.82 0.19 0.11 28.01 09:50:30 0 68.48 0.00 2.62 0.16 0.11 28.63 09:50:30 1 69.47 0.00 2.69 0.26 0.11 27.47 09:50:30 2 69.93 0.00 3.16 0.23 0.11 26.57 09:50:30 3 67.59 0.00 2.83 0.11 0.12 29.36 Average: all 42.97 0.00 1.65 1.25 0.08 54.04 Average: 0 42.72 0.00 1.56 0.10 0.08 55.54 Average: 1 42.93 0.00 1.66 1.59 0.09 53.74 Average: 2 43.50 0.00 1.72 1.57 0.08 53.12 Average: 3 42.73 0.00 1.66 1.76 0.08 53.76