---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2559 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 9.9G 68G 13% / 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 640 11031 4 4316 15005 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:66:c8:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83449sec preferred_lft 83449sec inet6 fe80::f816:3eff:fe66:c89d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:d0:31:83:6e:48 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-2559) 08/06/26 _x86_64_ (4 CPU) 05:12:25 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:03 1.73 0.00 1.72 0.00 0.04 30.27 0.44 05:40:03 1.56 0.00 1.56 0.00 0.00 28.67 0.00 05:50:01 9.47 1.88 7.15 0.44 123.32 2252.33 1173.69 06:00:03 11.34 0.51 9.36 1.47 20.69 2062.12 2868.34 Average: 6.02 0.60 4.95 0.48 35.89 1092.17 1011.08 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:03 12859660 15487768 484888 2.96 100220 2715892 1024916 5.88 401924 2770016 316 05:40:03 12859464 15489480 483068 2.95 101640 2716160 1024916 5.88 403360 2774944 272 05:50:01 10298396 13649632 2310996 14.11 129068 3354508 2653212 15.23 589600 5107972 25360 06:00:03 11325504 15382632 572176 3.49 159808 3960440 1112400 6.39 753152 3830696 137060 Average: 11835756 15002378 962782 5.88 122684 3186750 1453861 8.35 537009 3620907 40752 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 05:30:03 ens3 7.42 6.10 95.60 0.78 0.00 0.00 0.00 0.00 05:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 05:40:03 ens3 8.91 7.64 107.69 0.87 0.00 0.00 0.00 0.00 05:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 0.65 0.65 0.06 0.06 0.00 0.00 0.00 0.00 05:50:01 ens3 76.81 60.67 646.81 11.63 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:03 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 06:00:03 ens3 59.16 48.07 103.16 15.97 0.00 0.00 0.00 0.00 06:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 38.03 30.59 237.72 7.31 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-2559) 08/06/26 _x86_64_ (4 CPU) 05:12:25 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:03 all 0.11 0.00 0.04 0.01 0.01 99.83 05:30:03 0 0.18 0.00 0.07 0.00 0.01 99.74 05:30:03 1 0.05 0.00 0.03 0.00 0.01 99.90 05:30:03 2 0.14 0.00 0.04 0.00 0.01 99.80 05:30:03 3 0.07 0.00 0.03 0.03 0.01 99.87 05:40:03 all 0.15 0.00 0.04 0.01 0.01 99.78 05:40:03 0 0.14 0.00 0.04 0.01 0.01 99.80 05:40:03 1 0.09 0.00 0.03 0.00 0.01 99.88 05:40:03 2 0.33 0.00 0.07 0.01 0.01 99.57 05:40:03 3 0.04 0.00 0.04 0.03 0.02 99.88 05:50:01 all 35.65 0.00 1.14 0.03 0.07 63.11 05:50:01 0 36.76 0.00 1.26 0.05 0.08 61.86 05:50:01 1 35.41 0.00 0.98 0.02 0.07 63.52 05:50:01 2 35.03 0.00 1.11 0.02 0.07 63.77 05:50:01 3 35.39 0.00 1.22 0.05 0.07 63.27 06:00:03 all 66.69 0.00 2.20 0.19 0.12 30.81 06:00:03 0 65.27 0.00 2.26 0.03 0.11 32.33 06:00:03 1 65.46 0.00 2.21 0.68 0.12 31.52 06:00:03 2 69.93 0.00 2.11 0.01 0.12 27.82 06:00:03 3 66.08 0.00 2.23 0.02 0.11 31.56 Average: all 25.65 0.00 0.86 0.06 0.05 73.38 Average: 0 25.59 0.00 0.91 0.02 0.05 73.43 Average: 1 25.24 0.00 0.81 0.18 0.05 73.72 Average: 2 26.35 0.00 0.83 0.01 0.05 72.75 Average: 3 25.40 0.00 0.88 0.03 0.05 73.64