---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2316 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 725 10613 4 4650 14921 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:7e:0e:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84395sec preferred_lft 84395sec inet6 fe80::f816:3eff:fe7e:e6d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:ab:7e:d4:38:b9 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-2316) 08/05/26 _x86_64_ (4 CPU) 07:06:56 LINUX RESTART (4 CPU) 07:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:00 66.23 4.98 46.39 14.87 301.67 8231.72 277017.17 07:30:00 51.00 0.02 41.94 9.05 0.67 3496.39 33271.91 07:40:00 17.24 0.18 14.22 2.84 12.91 2136.70 6068.70 Average: 44.83 1.72 34.18 8.92 105.08 4621.57 105451.08 07:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:00 10721260 14099096 1862248 11.37 128556 3397868 2325504 13.35 503968 4796928 127048 07:30:00 9538320 13567608 2386580 14.58 186944 3913892 2613820 15.00 686840 5710128 126564 07:40:00 10902820 15306436 644920 3.94 208656 4243040 1156112 6.64 828784 4166356 12072 Average: 10387467 14324380 1631249 9.96 174719 3851600 2031812 11.66 673197 4891137 88561 07:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:00 lo 626.93 626.93 597.52 597.52 0.00 0.00 0.00 0.00 07:20:00 ens3 137.43 96.01 1353.49 19.45 0.00 0.00 0.00 0.00 07:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:00 lo 4878.86 4878.86 4651.96 4651.96 0.00 0.00 0.00 0.00 07:30:00 ens3 99.75 75.72 30.97 28.09 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:00 lo 715.13 715.13 662.72 662.72 0.00 0.00 0.00 0.00 07:40:00 ens3 101.06 101.67 151.12 175.44 0.00 0.00 0.00 0.00 07:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2073.64 2073.64 1970.73 1970.73 0.00 0.00 0.00 0.00 Average: ens3 112.75 91.14 511.85 74.33 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-2316) 08/05/26 _x86_64_ (4 CPU) 07:06:56 LINUX RESTART (4 CPU) 07:10:00 CPU %user %nice %system %iowait %steal %idle 07:20:00 all 18.68 0.00 1.30 0.58 0.07 79.38 07:20:00 0 17.21 0.00 1.35 0.24 0.07 81.13 07:20:00 1 19.40 0.00 1.31 0.85 0.07 78.37 07:20:00 2 18.96 0.00 1.26 0.63 0.06 79.09 07:20:00 3 19.14 0.00 1.29 0.59 0.07 78.91 07:30:00 all 64.87 0.00 4.22 0.43 0.13 30.36 07:30:00 0 63.65 0.00 4.04 0.40 0.13 31.78 07:30:00 1 64.45 0.00 4.01 0.26 0.13 31.15 07:30:00 2 65.09 0.00 4.19 0.22 0.12 30.38 07:30:00 3 66.31 0.00 4.64 0.82 0.12 28.11 07:40:00 all 23.73 0.00 1.30 0.15 0.08 74.73 07:40:00 0 24.76 0.00 1.42 0.33 0.08 73.41 07:40:00 1 21.11 0.00 1.25 0.06 0.08 77.49 07:40:00 2 25.50 0.00 1.24 0.05 0.09 73.12 07:40:00 3 23.56 0.00 1.30 0.15 0.08 74.92 Average: all 35.74 0.00 2.27 0.38 0.09 61.51 Average: 0 35.17 0.00 2.27 0.32 0.09 62.15 Average: 1 34.97 0.00 2.19 0.39 0.09 62.36 Average: 2 36.50 0.00 2.23 0.30 0.09 60.88 Average: 3 36.31 0.00 2.41 0.52 0.09 60.67