---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54413 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 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 662 8853 4 6473 14984 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:36:b8:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83731sec preferred_lft 83731sec inet6 fe80::f816:3eff:fe36:b88a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:93:54:e7:26:98 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-54413) 03/31/26 _x86_64_ (4 CPU) 05:23:45 LINUX RESTART (4 CPU) 05:30:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:29 30.50 2.96 24.51 3.02 161.41 3944.36 5380.47 05:50:06 23.20 0.01 20.75 2.44 0.14 2064.56 9881.33 06:00:09 18.54 0.03 17.07 1.43 0.40 7923.99 6364.38 Average: 24.08 1.01 20.77 2.30 54.52 4685.32 7172.88 05:30:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:29 9812008 13381576 2576792 15.74 139604 3557668 2581776 14.82 727456 5445224 20880 05:50:06 9080616 13011016 2944092 17.98 160588 3866096 2846028 16.34 821640 6023316 16524 06:00:09 6716880 12977624 2970016 18.14 181476 6095652 2884908 16.56 1617248 7534924 143124 Average: 8536501 13123405 2830300 17.29 160556 4506472 2770904 15.90 1055448 6334488 60176 05:30:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:29 lo 1448.88 1448.88 1375.22 1375.22 0.00 0.00 0.00 0.00 05:40:29 ens3 112.83 89.18 930.41 20.11 0.00 0.00 0.00 0.00 05:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:06 lo 1089.42 1089.42 1037.68 1037.68 0.00 0.00 0.00 0.00 05:50:06 ens3 32.84 27.60 22.90 10.26 0.00 0.00 0.00 0.00 05:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:09 lo 780.72 780.72 7321.83 7321.83 0.00 0.00 0.00 0.00 06:00:09 ens3 30.22 26.14 114.76 8.69 0.00 0.00 0.00 0.00 06:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1105.71 1105.71 3283.32 3283.32 0.00 0.00 0.00 0.00 Average: ens3 58.88 47.84 359.59 13.04 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-54413) 03/31/26 _x86_64_ (4 CPU) 05:23:45 LINUX RESTART (4 CPU) 05:30:31 CPU %user %nice %system %iowait %steal %idle 05:40:29 all 63.67 0.00 2.61 0.10 0.14 33.48 05:40:29 0 62.70 0.00 2.49 0.12 0.14 34.55 05:40:29 1 64.68 0.00 2.59 0.07 0.14 32.52 05:40:29 2 63.18 0.00 2.26 0.06 0.14 34.36 05:40:29 3 64.13 0.00 3.11 0.15 0.15 32.47 05:50:06 all 64.96 0.00 2.36 0.30 0.55 31.83 05:50:06 0 65.59 0.00 2.34 0.17 0.76 31.14 05:50:06 1 64.35 0.00 2.50 0.87 0.46 31.83 05:50:06 2 66.62 0.00 2.42 0.02 0.63 30.31 05:50:06 3 63.27 0.00 2.18 0.14 0.34 34.07 06:00:09 all 45.77 0.00 1.70 0.28 0.13 52.12 06:00:09 0 40.38 0.00 1.77 0.24 0.10 57.51 06:00:09 1 41.27 0.00 1.70 0.19 0.11 56.73 06:00:09 2 53.89 0.00 1.53 0.33 0.11 44.13 06:00:09 3 47.54 0.00 1.80 0.34 0.18 50.13 Average: all 58.01 0.00 2.22 0.23 0.27 39.28 Average: 0 56.05 0.00 2.20 0.18 0.33 41.25 Average: 1 56.63 0.00 2.26 0.37 0.23 40.50 Average: 2 61.14 0.00 2.06 0.14 0.29 36.37 Average: 3 58.21 0.00 2.37 0.21 0.22 39.00