---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2672 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 699 10138 4 5150 14947 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:22:23:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84022sec preferred_lft 84022sec inet6 fe80::f816:3eff:fe22:23ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:79:5a:9e:dd:35 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-2672) 08/06/26 _x86_64_ (4 CPU) 14:38:38 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:10 13.70 1.09 11.70 0.91 63.07 2542.53 14994.01 15:00:10 12.31 1.89 9.63 0.79 124.01 2725.97 1932.15 15:10:01 18.43 0.84 15.75 1.83 29.12 3153.72 11211.02 Average: 14.79 1.27 12.34 1.17 72.24 2804.20 9399.58 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:10 12767436 15480316 489848 2.99 104544 2794384 1000532 5.74 360124 2903620 236 15:00:10 10268896 13836740 2122056 12.96 138196 3546856 2474224 14.20 574720 5141168 21036 15:10:01 8743140 13259112 2691912 16.44 176312 4377884 3071020 17.63 800708 6342508 85348 Average: 10593157 14192056 1767939 10.80 139684 3573041 2181925 12.52 578517 4795765 35540 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:10 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 14:50:10 ens3 56.34 32.85 668.80 4.62 0.00 0.00 0.00 0.00 14:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:10 lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 15:00:10 ens3 91.96 73.41 654.37 17.85 0.00 0.00 0.00 0.00 15:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 844.60 844.60 804.71 804.71 0.00 0.00 0.00 0.00 15:10:01 ens3 65.20 49.09 375.68 13.77 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 Average: lo 277.56 277.56 264.07 264.07 0.00 0.00 0.00 0.00 Average: ens3 71.12 51.70 567.82 12.03 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-2672) 08/06/26 _x86_64_ (4 CPU) 14:38:38 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:10 all 1.83 0.00 0.30 0.21 0.03 97.62 14:50:10 0 1.88 0.00 0.30 0.40 0.03 97.39 14:50:10 1 2.55 0.00 0.33 0.26 0.04 96.83 14:50:10 2 1.59 0.00 0.22 0.08 0.04 98.08 14:50:10 3 1.30 0.00 0.37 0.11 0.03 98.19 15:00:10 all 55.23 0.00 2.05 0.09 0.10 42.52 15:00:10 0 53.97 0.00 2.09 0.12 0.10 43.73 15:00:10 1 55.32 0.00 2.28 0.06 0.11 42.24 15:00:10 2 53.58 0.00 1.83 0.03 0.11 44.45 15:00:10 3 58.06 0.00 1.99 0.16 0.10 39.69 15:10:01 all 57.49 0.00 2.09 0.33 0.11 39.99 15:10:01 0 57.35 0.00 2.11 1.06 0.11 39.36 15:10:01 1 58.84 0.00 1.93 0.09 0.11 39.03 15:10:01 2 56.26 0.00 2.06 0.09 0.11 41.48 15:10:01 3 57.50 0.00 2.23 0.08 0.11 40.07 Average: all 37.87 0.00 1.47 0.21 0.08 60.37 Average: 0 37.41 0.00 1.49 0.52 0.08 60.50 Average: 1 38.59 0.00 1.50 0.14 0.08 59.69 Average: 2 36.83 0.00 1.36 0.06 0.08 61.65 Average: 3 38.64 0.00 1.52 0.12 0.08 59.64