---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65124 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 692 11026 4 4270 14954 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:37:4e:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83055sec preferred_lft 83055sec inet6 fe80::f816:3eff:fe37:4e87/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:e6:e4:86:42:fc 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-65124) 04/01/26 _x86_64_ (4 CPU) 12:58:38 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:19 1.49 0.04 1.43 0.01 2.20 19.22 210.90 13:20:19 1.27 0.01 1.27 0.00 0.05 14.45 0.00 13:30:01 34.89 4.19 30.04 0.65 260.51 2599.95 489.82 13:40:19 47.19 0.67 38.92 7.61 21.20 4268.62 13680.56 13:50:01 25.42 0.31 20.79 4.32 12.18 2797.85 6131.72 Average: 21.98 1.02 18.43 2.53 57.71 1933.68 4148.36 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:19 13784652 15529500 489180 2.99 54292 1917436 1160236 6.66 194016 2150088 40 13:20:19 13783896 15529132 489504 2.99 54668 1917448 1160188 6.66 194388 2151244 8 13:30:01 11999760 14673188 1293936 7.90 111576 2744732 1725028 9.90 362916 3697540 237824 13:40:19 10065928 13593864 2364112 14.44 172192 3456932 2534456 14.55 622644 5276616 115204 13:50:01 11365576 15375448 579008 3.54 202056 3870456 1123424 6.45 786652 3759496 4 Average: 12199962 14940226 1043148 6.37 118957 2781401 1540666 8.84 432123 3406997 70616 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:19 ens3 1.08 0.23 0.28 0.13 0.00 0.00 0.00 0.00 13:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:19 ens3 0.32 0.10 0.07 0.04 0.00 0.00 0.00 0.00 13:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 0.37 0.37 0.05 0.05 0.00 0.00 0.00 0.00 13:30:01 ens3 93.84 74.44 801.73 16.26 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:19 lo 4261.37 4261.37 4063.86 4063.86 0.00 0.00 0.00 0.00 13:40:19 ens3 106.77 78.51 235.19 24.86 0.00 0.00 0.00 0.00 13:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 1720.63 1720.63 1632.69 1632.69 0.00 0.00 0.00 0.00 13:50:01 ens3 99.00 81.38 114.87 113.30 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1212.46 1212.46 1154.58 1154.58 0.00 0.00 0.00 0.00 Average: ens3 59.70 46.47 226.28 30.29 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-65124) 04/01/26 _x86_64_ (4 CPU) 12:58:38 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:19 all 0.24 0.00 0.03 0.01 0.01 99.71 13:10:19 0 0.02 0.00 0.02 0.05 0.00 99.92 13:10:19 1 0.84 0.00 0.05 0.00 0.02 99.08 13:10:19 2 0.04 0.00 0.02 0.00 0.01 99.93 13:10:19 3 0.05 0.00 0.03 0.00 0.01 99.91 13:20:19 all 0.16 0.00 0.02 0.15 0.01 99.65 13:20:19 0 0.01 0.00 0.02 0.42 0.01 99.54 13:20:19 1 0.54 0.00 0.03 0.08 0.01 99.33 13:20:19 2 0.03 0.00 0.03 0.08 0.01 99.86 13:20:19 3 0.04 0.00 0.02 0.03 0.01 99.90 13:30:01 all 7.88 0.00 0.63 0.26 0.03 91.20 13:30:01 0 8.86 0.00 0.66 0.08 0.03 90.37 13:30:01 1 7.65 0.00 0.63 0.52 0.04 91.16 13:30:01 2 7.60 0.00 0.74 0.13 0.03 91.50 13:30:01 3 7.44 0.00 0.48 0.30 0.03 91.76 13:40:19 all 66.26 0.00 4.07 0.41 0.14 29.12 13:40:19 0 66.25 0.00 4.04 0.43 0.15 29.12 13:40:19 1 66.05 0.00 4.16 0.20 0.14 29.44 13:40:19 2 67.38 0.00 4.34 0.28 0.14 27.85 13:40:19 3 65.36 0.00 3.71 0.72 0.14 30.06 13:50:01 all 33.48 0.00 2.10 0.35 0.09 63.98 13:50:01 0 33.04 0.00 1.99 0.17 0.09 64.71 13:50:01 1 32.63 0.00 2.25 0.49 0.09 64.54 13:50:01 2 37.32 0.00 2.16 0.35 0.09 60.07 13:50:01 3 30.93 0.00 2.00 0.37 0.08 66.62 Average: all 21.72 0.00 1.38 0.24 0.06 76.62 Average: 0 21.75 0.00 1.35 0.23 0.06 76.61 Average: 1 21.65 0.00 1.43 0.25 0.06 76.61 Average: 2 22.58 0.00 1.47 0.17 0.06 75.73 Average: 3 20.89 0.00 1.25 0.29 0.06 77.51