---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6439 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 633 8633 4 6722 15013 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:91:af:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84168sec preferred_lft 84168sec inet6 fe80::f816:3eff:fe91:afe7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:78:25:c8:a1:ec 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-6439) 03/20/26 _x86_64_ (4 CPU) 15:25:07 LINUX RESTART (4 CPU) 15:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 34.33 3.37 27.60 3.36 567.66 4779.54 7138.54 15:50:08 33.03 0.01 29.69 3.34 0.17 2585.37 31344.96 16:00:01 12.79 0.32 11.06 1.41 11.85 8398.66 3954.24 Average: 26.77 1.22 22.84 2.71 192.05 5234.45 14268.49 15:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 9459784 13190448 2767204 16.90 143392 3705672 3119276 17.90 821312 5701432 25172 15:50:08 8264248 12625876 3327464 20.32 168940 4269564 3549384 20.37 969540 6700308 211928 16:00:01 8872320 15397044 549108 3.35 185124 6349540 1093064 6.27 1763220 5207512 172 Average: 8865451 13737789 2214592 13.53 165819 4774925 2587241 14.85 1184691 5869751 79091 15:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1475.11 1475.11 1399.63 1399.63 0.00 0.00 0.00 0.00 15:40:01 ens3 131.46 99.97 1070.54 20.87 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:08 lo 1504.52 1504.52 1433.56 1433.56 0.00 0.00 0.00 0.00 15:50:08 ens3 51.18 38.00 47.67 12.54 0.00 0.00 0.00 0.00 15:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 243.25 243.25 6915.70 6915.70 0.00 0.00 0.00 0.00 16:00:01 ens3 67.70 78.84 113.06 977.50 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1077.75 1077.75 3234.95 3234.95 0.00 0.00 0.00 0.00 Average: ens3 83.24 72.03 408.18 334.36 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-6439) 03/20/26 _x86_64_ (4 CPU) 15:25:07 LINUX RESTART (4 CPU) 15:30:07 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 68.90 0.00 2.72 0.09 0.10 28.19 15:40:01 0 68.14 0.00 2.38 0.07 0.10 29.30 15:40:01 1 69.60 0.00 2.76 0.09 0.10 27.45 15:40:01 2 70.17 0.00 3.00 0.10 0.10 26.63 15:40:01 3 67.67 0.00 2.76 0.10 0.11 29.36 15:50:08 all 62.79 0.00 2.55 0.08 0.10 34.47 15:50:08 0 61.59 0.00 2.43 0.08 0.11 35.78 15:50:08 1 63.29 0.00 2.39 0.06 0.10 34.16 15:50:08 2 63.52 0.00 3.01 0.14 0.10 33.24 15:50:08 3 62.76 0.00 2.39 0.06 0.10 34.69 16:00:01 all 33.02 0.00 1.10 0.13 0.07 65.68 16:00:01 0 32.84 0.00 1.14 0.24 0.07 65.71 16:00:01 1 30.81 0.00 0.89 0.06 0.06 68.18 16:00:01 2 34.91 0.00 1.35 0.11 0.08 63.56 16:00:01 3 33.51 0.00 1.02 0.13 0.07 65.27 Average: all 54.94 0.00 2.13 0.10 0.09 42.73 Average: 0 54.24 0.00 1.99 0.13 0.09 43.55 Average: 1 54.62 0.00 2.01 0.07 0.09 43.22 Average: 2 56.22 0.00 2.45 0.12 0.09 41.11 Average: 3 54.70 0.00 2.06 0.10 0.09 43.05