---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5608 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 12G 66G 15% / 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 663 9415 4 5910 14983 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:17:22:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84296sec preferred_lft 84296sec inet6 fe80::f816:3eff:fe17:2290/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:70:2b:ad:d9:2c 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-5608) 03/18/26 _x86_64_ (4 CPU) 16:15:23 LINUX RESTART (4 CPU) 16:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:07 26.99 2.56 21.12 3.31 147.03 3645.21 50340.90 16:40:14 14.56 0.16 12.43 1.98 4.65 1494.56 24507.66 16:50:23 34.53 0.46 29.08 4.98 17.61 7460.74 52999.58 Average: 25.37 1.06 20.89 3.43 56.35 4204.51 42625.75 16:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:07 10122112 13541664 2417308 14.76 129680 3416972 2732268 15.68 673360 5201776 14884 16:40:14 9564676 13359184 2596136 15.86 151360 3739640 2817172 16.17 797312 5582608 12356 16:50:23 9642844 15343248 602868 3.68 176368 5535568 1124920 6.46 1622028 4596116 12280 Average: 9776544 14081365 1872104 11.43 152469 4230727 2224787 12.77 1030900 5126833 13173 16:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:07 lo 17.59 17.59 3.84 3.84 0.00 0.00 0.00 0.00 16:30:07 ens3 71.70 55.23 708.70 10.67 0.00 0.00 0.00 0.00 16:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:14 lo 603.77 603.77 541.33 541.33 0.00 0.00 0.00 0.00 16:40:14 ens3 29.81 20.96 234.53 4.85 0.00 0.00 0.00 0.00 16:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:23 lo 1735.06 1735.06 1674.44 1674.44 0.00 0.00 0.00 0.00 16:50:23 ens3 108.94 108.65 250.43 900.76 0.00 0.00 0.00 0.00 16:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 787.00 787.00 741.36 741.36 0.00 0.00 0.00 0.00 Average: ens3 70.20 61.68 397.57 306.31 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5608) 03/18/26 _x86_64_ (4 CPU) 16:15:23 LINUX RESTART (4 CPU) 16:20:01 CPU %user %nice %system %iowait %steal %idle 16:30:07 all 33.44 0.00 1.35 0.84 0.11 64.27 16:30:07 0 31.60 0.00 1.45 0.33 0.11 66.50 16:30:07 1 34.40 0.00 1.22 0.52 0.11 63.75 16:30:07 2 34.38 0.00 1.71 0.32 0.10 63.49 16:30:07 3 33.37 0.00 1.01 2.18 0.11 63.33 16:40:14 all 23.50 0.00 1.28 0.43 0.12 74.67 16:40:14 0 22.93 0.00 1.24 0.27 0.12 75.43 16:40:14 1 23.59 0.00 1.31 0.17 0.13 74.80 16:40:14 2 23.88 0.00 1.35 0.75 0.12 73.90 16:40:14 3 23.59 0.00 1.22 0.54 0.11 74.54 16:50:23 all 45.75 0.00 2.52 0.43 0.11 51.19 16:50:23 0 43.30 0.00 2.27 0.30 0.10 54.02 16:50:23 1 48.77 0.00 2.52 0.11 0.11 48.49 16:50:23 2 46.60 0.00 2.84 0.65 0.11 49.80 16:50:23 3 44.31 0.00 2.45 0.67 0.11 52.46 Average: all 34.23 0.00 1.72 0.57 0.11 63.37 Average: 0 32.61 0.00 1.65 0.30 0.11 65.32 Average: 1 35.60 0.00 1.69 0.26 0.12 62.33 Average: 2 34.96 0.00 1.97 0.57 0.11 62.39 Average: 3 33.76 0.00 1.56 1.13 0.11 63.44