---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66275 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 67G 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 738 9512 4 5738 14908 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:67:48:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83835sec preferred_lft 83835sec inet6 fe80::f816:3eff:fe67:48a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:88:08:42:55:4c 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-66275) 04/03/26 _x86_64_ (4 CPU) 20:24:30 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:06 16.98 2.24 13.62 1.12 133.95 4351.10 4719.46 20:50:10 80.84 0.31 50.63 29.90 9.48 3823.91 265350.66 21:00:10 33.17 0.29 27.40 5.48 11.72 4827.01 10963.40 Average: 43.69 0.95 30.56 12.18 51.82 4332.89 93854.58 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:06 9719340 13611536 2343380 14.31 178560 3780936 2580140 14.81 692976 5515100 240756 20:50:10 8994276 13368892 2581096 15.76 209340 4193448 2746508 15.76 835408 6048664 41736 21:00:10 9857828 15367344 578704 3.53 243368 5233608 1098448 6.31 1210672 4738984 4 Average: 9523815 14115924 1834393 11.20 210423 4402664 2141699 12.29 913019 5434249 94165 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:06 lo 1.39 1.39 0.15 0.15 0.00 0.00 0.00 0.00 20:40:06 ens3 90.42 73.63 417.50 20.39 0.00 0.00 0.00 0.00 20:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5691.16 5691.16 5427.19 5427.19 0.00 0.00 0.00 0.00 20:50:10 ens3 96.04 68.81 263.90 21.19 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:10 lo 2408.93 2408.93 2290.29 2290.29 0.00 0.00 0.00 0.00 21:00:10 ens3 89.79 76.97 106.62 93.54 0.00 0.00 0.00 0.00 21:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2700.84 2700.84 2572.88 2572.88 0.00 0.00 0.00 0.00 Average: ens3 92.09 73.13 263.04 44.93 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-66275) 04/03/26 _x86_64_ (4 CPU) 20:24:30 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:06 all 69.75 0.00 2.38 0.07 0.10 27.69 20:40:06 0 66.81 0.00 2.15 0.09 0.10 30.85 20:40:06 1 71.08 0.00 2.28 0.06 0.10 26.48 20:40:06 2 71.50 0.00 2.79 0.08 0.10 25.53 20:40:06 3 69.63 0.00 2.29 0.07 0.10 27.90 20:50:10 all 61.59 0.00 4.31 0.15 0.10 33.85 20:50:10 0 61.30 0.00 4.84 0.14 0.10 33.63 20:50:10 1 62.22 0.00 3.81 0.19 0.10 33.68 20:50:10 2 62.05 0.00 3.96 0.20 0.10 33.68 20:50:10 3 60.80 0.00 4.62 0.08 0.09 34.40 21:00:10 all 45.14 0.00 2.59 0.14 0.08 52.05 21:00:10 0 43.64 0.00 2.47 0.09 0.08 53.73 21:00:10 1 45.55 0.00 3.02 0.14 0.08 51.20 21:00:10 2 45.87 0.00 2.49 0.09 0.08 51.48 21:00:10 3 45.50 0.00 2.40 0.23 0.08 51.79 Average: all 58.86 0.00 3.09 0.12 0.09 37.83 Average: 0 57.27 0.00 3.15 0.11 0.09 39.38 Average: 1 59.65 0.00 3.04 0.13 0.09 37.09 Average: 2 59.83 0.00 3.08 0.13 0.09 36.87 Average: 3 58.68 0.00 3.11 0.13 0.09 38.00