---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39659 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 12G 66G 15% / 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 726 9257 4 6005 14919 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:6a:9b:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84455sec preferred_lft 84455sec inet6 fe80::f816:3eff:fe6a:9be8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:39:71:f6:a0:18 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-39659) 08/21/26 _x86_64_ (4 CPU) 15:59:54 LINUX RESTART (4 CPU) 16:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:00 62.60 12.38 48.26 1.97 1651.46 12408.67 14913.76 16:20:15 31.57 0.05 28.01 3.52 1.27 2930.90 11899.46 16:30:00 37.94 0.16 19.89 17.89 10.81 6564.88 240955.35 Average: 43.98 4.19 32.11 7.67 553.98 7267.93 87306.29 16:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:00 8972584 13094996 2860192 17.47 158340 4041036 3153920 18.10 698340 6270100 245024 16:20:15 8081720 12695560 3255524 19.88 190276 4457444 3578648 20.54 867404 6935912 208860 16:30:00 9577340 15364608 580028 3.54 212572 5541036 1113160 6.39 964072 5253680 228 Average: 8877215 13718388 2231915 13.63 187063 4679839 2615243 15.01 843272 6153231 151371 16:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:00 lo 430.38 430.38 409.77 409.77 0.00 0.00 0.00 0.00 16:10:00 ens3 185.97 131.83 1550.14 25.59 0.00 0.00 0.00 0.00 16:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:15 lo 1721.71 1721.71 1641.45 1641.45 0.00 0.00 0.00 0.00 16:20:15 ens3 51.62 37.79 155.76 11.18 0.00 0.00 0.00 0.00 16:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:00 lo 154.87 154.87 140.21 140.21 0.00 0.00 0.00 0.00 16:30:00 ens3 64.64 61.14 122.24 187.91 0.00 0.00 0.00 0.00 16:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 782.68 782.68 743.59 743.59 0.00 0.00 0.00 0.00 Average: ens3 100.59 76.69 609.28 73.39 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-39659) 08/21/26 _x86_64_ (4 CPU) 15:59:54 LINUX RESTART (4 CPU) 16:00:00 CPU %user %nice %system %iowait %steal %idle 16:10:00 all 48.48 0.00 2.05 0.60 0.10 48.78 16:10:00 0 48.09 0.00 2.00 0.55 0.10 49.26 16:10:00 1 49.22 0.00 1.63 0.65 0.10 48.40 16:10:00 2 50.25 0.00 2.47 0.47 0.10 46.71 16:10:00 3 46.36 0.00 2.09 0.72 0.09 50.74 16:20:15 all 57.91 0.00 2.51 0.14 0.10 39.34 16:20:15 0 56.15 0.00 2.53 0.23 0.10 40.99 16:20:15 1 58.83 0.00 2.52 0.09 0.10 38.46 16:20:15 2 58.70 0.00 2.38 0.11 0.10 38.71 16:20:15 3 57.97 0.00 2.61 0.11 0.10 39.20 16:30:00 all 48.82 0.00 1.73 0.11 0.09 49.24 16:30:00 0 47.57 0.00 1.80 0.23 0.09 50.30 16:30:00 1 47.67 0.00 1.42 0.03 0.09 50.78 16:30:00 2 51.98 0.00 1.92 0.04 0.10 45.96 16:30:00 3 48.07 0.00 1.80 0.15 0.09 49.89 Average: all 51.81 0.00 2.10 0.28 0.10 45.70 Average: 0 50.68 0.00 2.12 0.34 0.10 46.77 Average: 1 52.00 0.00 1.87 0.26 0.10 45.78 Average: 2 53.70 0.00 2.26 0.21 0.10 43.73 Average: 3 50.88 0.00 2.17 0.33 0.10 46.52