---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6707 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 13G 66G 16% / 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 669 8580 4 6740 14977 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:88:d5:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84053sec preferred_lft 84053sec inet6 fe80::f816:3eff:fe88:d5f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:86:79:21:6b:27 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-6707) 03/21/26 _x86_64_ (4 CPU) 19:01:27 LINUX RESTART (4 CPU) 19:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:04 22.23 0.07 19.50 2.67 6.29 2183.08 6055.64 19:30:01 32.55 0.01 29.25 3.28 0.23 4452.33 32291.86 19:40:04 11.25 0.33 9.47 1.45 14.24 6434.40 1810.18 Average: 21.98 0.14 19.38 2.46 6.94 4359.93 13334.75 19:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:04 8357224 12182616 3772888 23.04 153164 3781320 3727156 21.39 799748 6811716 6012 19:30:01 7122912 11958856 3992304 24.38 171864 4727468 3841488 22.05 1082636 7708676 2832 19:40:04 8796616 15341712 603212 3.68 187156 6366448 1142108 6.56 1726480 5329920 13900 Average: 8092251 13161061 2789468 17.04 170728 4958412 2903584 16.67 1202955 6616771 7581 19:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:04 lo 1337.61 1337.61 1268.14 1268.14 0.00 0.00 0.00 0.00 19:20:04 ens3 42.26 34.79 26.12 11.74 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1563.79 1563.79 1488.96 1488.96 0.00 0.00 0.00 0.00 19:30:01 ens3 47.13 37.53 50.44 12.87 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:04 lo 243.81 243.81 6805.20 6805.20 0.00 0.00 0.00 0.00 19:40:04 ens3 89.60 99.70 117.31 1053.28 0.00 0.00 0.00 0.00 19:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1046.19 1046.19 3196.35 3196.35 0.00 0.00 0.00 0.00 Average: ens3 59.73 57.44 64.74 361.04 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-6707) 03/21/26 _x86_64_ (4 CPU) 19:01:27 LINUX RESTART (4 CPU) 19:10:04 CPU %user %nice %system %iowait %steal %idle 19:20:04 all 67.69 0.00 2.46 0.07 0.09 29.69 19:20:04 0 68.88 0.00 2.28 0.02 0.09 28.73 19:20:04 1 67.78 0.00 2.36 0.08 0.09 29.69 19:20:04 2 67.67 0.00 2.62 0.09 0.09 29.54 19:20:04 3 66.44 0.00 2.58 0.09 0.09 30.79 19:30:01 all 63.37 0.00 2.69 0.11 0.09 33.74 19:30:01 0 62.73 0.00 2.84 0.07 0.10 34.26 19:30:01 1 63.52 0.00 2.54 0.14 0.09 33.70 19:30:01 2 62.93 0.00 2.89 0.18 0.09 33.91 19:30:01 3 64.30 0.00 2.48 0.05 0.10 33.07 19:40:04 all 27.47 0.00 1.02 0.24 0.07 71.21 19:40:04 0 30.81 0.00 1.07 0.03 0.06 68.02 19:40:04 1 21.07 0.00 1.12 0.24 0.07 77.50 19:40:04 2 24.73 0.00 0.92 0.50 0.07 73.78 19:40:04 3 33.25 0.00 0.96 0.18 0.06 65.55 Average: all 52.76 0.00 2.05 0.14 0.08 44.97 Average: 0 54.07 0.00 2.06 0.04 0.08 43.75 Average: 1 50.69 0.00 2.00 0.15 0.09 47.07 Average: 2 51.70 0.00 2.14 0.25 0.08 45.83 Average: 3 54.58 0.00 2.00 0.11 0.08 43.22