---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3762 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 683 10331 4 4974 14963 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:5a:b7:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83039sec preferred_lft 83039sec inet6 fe80::f816:3eff:fe5a:b79f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:d1:bd:c1:5c:7f 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-3762) 08/09/26 _x86_64_ (4 CPU) 09:50:47 LINUX RESTART (4 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:00 1.36 0.01 1.34 0.02 0.04 32.56 0.75 10:20:00 1.66 0.00 1.64 0.02 0.01 45.00 479.01 10:30:00 13.05 1.97 10.09 0.99 129.92 3039.47 2300.43 10:40:00 30.91 0.94 25.50 4.47 33.71 4488.64 13601.76 Average: 11.75 0.73 9.64 1.38 40.92 1901.42 4095.49 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:00 12904732 15503048 469536 2.87 102672 2683716 1010644 5.80 368944 2757820 24 10:20:00 12909528 15509936 462408 2.82 104252 2684008 1011040 5.80 370520 2763840 8 10:30:00 10282004 13850756 2107432 12.87 145588 3533920 2380220 13.66 610424 5078568 35928 10:40:00 10637864 15372516 577876 3.53 181152 4580408 1119912 6.43 933436 4281628 24760 Average: 11683532 15059064 904313 5.52 133416 3370513 1380454 7.92 570831 3720464 15180 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:10:00 ens3 11.84 9.47 126.44 1.12 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:00 ens3 13.32 10.85 142.62 1.11 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:00 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 10:30:00 ens3 102.49 79.96 594.56 20.50 0.00 0.00 0.00 0.00 10:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 1787.74 1787.74 1703.29 1703.29 0.00 0.00 0.00 0.00 10:40:00 ens3 86.17 67.58 452.85 38.77 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 447.31 447.31 425.86 425.86 0.00 0.00 0.00 0.00 Average: ens3 53.46 41.96 329.11 15.37 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-3762) 08/09/26 _x86_64_ (4 CPU) 09:50:47 LINUX RESTART (4 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:00 all 0.14 0.00 0.04 0.01 0.02 99.79 10:10:00 0 0.06 0.00 0.02 0.00 0.03 99.89 10:10:00 1 0.07 0.00 0.04 0.00 0.02 99.87 10:10:00 2 0.31 0.00 0.07 0.03 0.02 99.57 10:10:00 3 0.11 0.00 0.03 0.00 0.03 99.84 10:20:00 all 0.32 0.00 0.04 0.01 0.02 99.61 10:20:00 0 0.04 0.00 0.02 0.01 0.01 99.93 10:20:00 1 0.47 0.00 0.10 0.02 0.03 99.38 10:20:00 2 0.25 0.00 0.03 0.01 0.03 99.69 10:20:00 3 0.52 0.00 0.03 0.00 0.02 99.43 10:30:00 all 64.38 0.00 2.14 0.06 0.09 33.34 10:30:00 0 66.12 0.00 2.07 0.03 0.09 31.70 10:30:00 1 65.33 0.00 2.15 0.07 0.09 32.37 10:30:00 2 62.15 0.00 2.35 0.06 0.09 35.35 10:30:00 3 63.91 0.00 1.98 0.08 0.09 33.94 10:40:00 all 62.38 0.00 2.61 0.07 0.09 34.85 10:40:00 0 61.07 0.00 2.37 0.06 0.09 36.41 10:40:00 1 63.67 0.00 2.64 0.08 0.09 33.52 10:40:00 2 63.40 0.00 2.65 0.06 0.09 33.80 10:40:00 3 61.39 0.00 2.77 0.08 0.09 35.66 Average: all 31.77 0.00 1.21 0.04 0.06 66.93 Average: 0 31.81 0.00 1.12 0.02 0.05 66.99 Average: 1 32.36 0.00 1.23 0.04 0.06 66.31 Average: 2 31.49 0.00 1.27 0.04 0.06 67.14 Average: 3 31.44 0.00 1.20 0.04 0.06 67.26