---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41421 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13G 65G 17% / 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 641 8196 4 7151 15003 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:8d:92:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83726sec preferred_lft 83726sec inet6 fe80::f816:3eff:fe8d:9219/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:11:ad:04:1d:61 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-41421) 08/27/26 _x86_64_ (4 CPU) 08:25:45 LINUX RESTART (4 CPU) 08:30:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:26 44.76 2.97 25.44 16.34 162.89 4225.86 246886.29 08:50:22 25.88 0.03 23.14 2.71 1.06 2150.14 7379.84 09:00:29 16.12 0.02 14.70 1.40 0.58 3437.14 16832.81 Average: 28.85 1.00 21.06 6.79 54.58 3272.29 90015.38 08:30:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:26 9442740 13085420 2871860 17.54 143352 3617144 2900060 16.65 690912 5831060 20756 08:50:22 8753696 12802720 3151428 19.25 162136 3971980 3088668 17.73 796964 6384212 41236 09:00:29 5308396 10197976 5753264 35.14 169364 4773264 5467380 31.38 1041776 9543424 4540 Average: 7834944 12028705 3925517 23.98 158284 4120796 3818703 21.92 843217 7252899 22177 08:30:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:26 lo 1626.40 1626.40 1544.08 1544.08 0.00 0.00 0.00 0.00 08:40:26 ens3 113.16 93.72 1041.45 21.28 0.00 0.00 0.00 0.00 08:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:22 lo 1127.51 1127.51 1073.88 1073.88 0.00 0.00 0.00 0.00 08:50:22 ens3 30.42 24.39 22.33 10.51 0.00 0.00 0.00 0.00 08:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:29 lo 562.88 562.88 2761.57 2761.57 0.00 0.00 0.00 0.00 09:00:29 ens3 15.47 11.94 10.97 5.84 0.00 0.00 0.00 0.00 09:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1102.79 1102.79 1798.42 1798.42 0.00 0.00 0.00 0.00 Average: ens3 52.83 43.19 356.57 12.51 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-41421) 08/27/26 _x86_64_ (4 CPU) 08:25:45 LINUX RESTART (4 CPU) 08:30:29 CPU %user %nice %system %iowait %steal %idle 08:40:26 all 60.34 0.00 2.66 0.12 0.02 36.86 08:40:26 0 60.00 0.00 2.47 0.07 0.02 37.43 08:40:26 1 60.73 0.00 2.84 0.04 0.02 36.38 08:40:26 2 60.68 0.00 2.43 0.21 0.02 36.66 08:40:26 3 59.97 0.00 2.88 0.16 0.02 36.97 08:50:22 all 62.58 0.00 2.42 0.20 0.03 34.77 08:50:22 0 61.52 0.00 2.52 0.12 0.03 35.81 08:50:22 1 62.37 0.00 2.07 0.13 0.03 35.41 08:50:22 2 61.42 0.00 2.48 0.14 0.03 35.94 08:50:22 3 65.02 0.00 2.63 0.42 0.03 31.90 09:00:29 all 32.22 0.00 1.45 0.34 0.02 65.97 09:00:29 0 31.10 0.00 1.43 0.30 0.02 67.14 09:00:29 1 34.59 0.00 1.41 0.67 0.02 63.31 09:00:29 2 32.03 0.00 1.59 0.13 0.02 66.23 09:00:29 3 31.17 0.00 1.38 0.24 0.02 67.18 Average: all 51.62 0.00 2.17 0.22 0.02 45.97 Average: 0 50.77 0.00 2.14 0.16 0.02 46.90 Average: 1 52.48 0.00 2.10 0.28 0.02 45.12 Average: 2 51.28 0.00 2.16 0.16 0.02 46.38 Average: 3 51.94 0.00 2.29 0.27 0.02 45.47