---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2353 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: 5600.00 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 657 10394 4 4937 14988 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:33:3f:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83031sec preferred_lft 83031sec inet6 fe80::f816:3eff:fe33:3fbe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:ed:e6:af:b1:26 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-2353) 08/05/26 _x86_64_ (4 CPU) 14:38:25 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:11 8.35 0.90 7.19 0.26 37.36 1537.92 437.40 15:00:01 1.58 0.01 1.57 0.00 0.04 34.06 9.35 15:10:01 1.50 0.00 1.50 0.00 0.57 28.84 0.00 15:20:11 13.07 1.97 10.18 0.93 128.16 2998.34 2065.78 15:30:01 30.72 0.96 25.48 4.28 34.36 4809.65 2905.45 Average: 11.01 0.77 9.15 1.08 40.54 1880.82 1082.22 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:11 13024796 15519288 455968 2.78 97608 2586088 997936 5.73 336552 2686168 168 15:00:01 13012572 15508868 466168 2.85 98964 2586360 998728 5.73 337920 2692364 88 15:10:01 13003604 15501728 473176 2.89 100368 2586680 998792 5.73 339316 2697784 212 15:20:11 10457420 13929524 2029732 12.40 142252 3442512 2618764 15.03 587088 4938104 39044 15:30:01 10683704 15378760 572700 3.50 176340 4542116 1108140 6.36 914180 4262368 56 Average: 12036419 15167634 799549 4.88 123106 3148751 1344472 7.72 503011 3455358 7914 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:11 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 14:50:11 ens3 14.61 11.33 164.85 2.44 0.00 0.00 0.00 0.00 14:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:00:01 ens3 7.55 6.13 98.38 0.77 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:10:01 ens3 8.03 6.45 110.73 0.81 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:11 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 15:20:11 ens3 102.72 80.39 632.60 20.07 0.00 0.00 0.00 0.00 15:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 1571.63 1571.63 1496.46 1496.46 0.00 0.00 0.00 0.00 15:30:01 ens3 93.32 72.10 465.36 38.86 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 309.38 309.38 294.29 294.29 0.00 0.00 0.00 0.00 Average: ens3 45.30 35.33 295.17 12.53 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-2353) 08/05/26 _x86_64_ (4 CPU) 14:38:25 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:11 all 0.94 0.00 0.14 0.06 0.02 98.85 14:50:11 0 0.36 0.00 0.13 0.10 0.01 99.39 14:50:11 1 2.78 0.00 0.19 0.08 0.02 96.93 14:50:11 2 0.18 0.00 0.12 0.03 0.02 99.65 14:50:11 3 0.42 0.00 0.10 0.02 0.01 99.44 15:00:01 all 0.15 0.00 0.04 0.02 0.02 99.77 15:00:01 0 0.08 0.00 0.04 0.00 0.01 99.87 15:00:01 1 0.22 0.00 0.08 0.02 0.03 99.65 15:00:01 2 0.26 0.00 0.03 0.01 0.02 99.69 15:00:01 3 0.04 0.00 0.02 0.05 0.01 99.88 15:10:01 all 0.26 0.00 0.05 0.02 0.02 99.66 15:10:01 0 0.04 0.00 0.03 0.04 0.01 99.88 15:10:01 1 0.35 0.00 0.06 0.00 0.03 99.56 15:10:01 2 0.56 0.00 0.07 0.01 0.01 99.35 15:10:01 3 0.08 0.00 0.03 0.02 0.02 99.86 15:20:11 all 65.34 0.00 2.14 0.04 0.11 32.37 15:20:11 0 65.25 0.00 2.07 0.03 0.11 32.55 15:20:11 1 63.88 0.00 2.25 0.04 0.11 33.72 15:20:11 2 68.16 0.00 2.32 0.03 0.11 29.38 15:20:11 3 64.08 0.00 1.91 0.07 0.11 33.83 15:30:01 all 66.24 0.00 2.66 0.09 0.11 30.91 15:30:01 0 63.78 0.00 2.34 0.04 0.11 33.73 15:30:01 1 66.78 0.00 2.77 0.20 0.11 30.14 15:30:01 2 69.01 0.00 2.91 0.05 0.11 27.92 15:30:01 3 65.38 0.00 2.62 0.05 0.11 31.84 Average: all 26.57 0.00 1.00 0.04 0.05 72.33 Average: 0 25.90 0.00 0.92 0.04 0.05 73.09 Average: 1 26.79 0.00 1.07 0.07 0.06 72.02 Average: 2 27.61 0.00 1.09 0.03 0.05 71.22 Average: 3 25.97 0.00 0.93 0.04 0.05 73.01