---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34127 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 11G 67G 14% / 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 664 10448 4 4876 14982 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:97:5e:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84318sec preferred_lft 84318sec inet6 fe80::f816:3eff:fe97:5ef5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:61:c7:42:23:b0 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-34127) 08/11/26 _x86_64_ (4 CPU) 01:19:47 LINUX RESTART (4 CPU) 01:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:12 51.10 9.30 41.12 0.68 1445.48 6774.87 2447.94 01:40:12 13.35 1.97 10.43 0.94 129.95 2939.76 2072.87 01:50:12 31.23 0.96 25.77 4.49 33.92 4353.99 14655.04 Average: 32.01 4.11 25.87 2.03 542.10 4702.49 6367.45 01:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:12 13036560 15533912 441160 2.69 99036 2587324 985196 5.66 339240 2669532 20 01:40:12 10403352 13821820 2137852 13.06 134976 3400260 2499216 14.35 566152 5007800 22676 01:50:12 10783172 15412340 539364 3.29 173956 4484196 1095844 6.29 900148 4195668 80212 Average: 11407695 14922691 1039459 6.35 135989 3490593 1526752 8.76 601847 3957667 34303 01:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:12 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 01:30:12 ens3 76.73 57.44 525.89 11.02 0.00 0.00 0.00 0.00 01:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:12 lo 1.17 1.17 0.12 0.12 0.00 0.00 0.00 0.00 01:40:12 ens3 101.73 82.01 633.57 19.46 0.00 0.00 0.00 0.00 01:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:12 lo 1692.19 1692.19 1613.10 1613.10 0.00 0.00 0.00 0.00 01:50:12 ens3 90.66 69.00 452.67 18.21 0.00 0.00 0.00 0.00 01:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 561.08 561.08 534.41 534.41 0.00 0.00 0.00 0.00 Average: ens3 89.62 69.41 537.31 16.20 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-34127) 08/11/26 _x86_64_ (4 CPU) 01:19:47 LINUX RESTART (4 CPU) 01:20:00 CPU %user %nice %system %iowait %steal %idle 01:30:12 all 3.23 0.00 0.54 0.42 0.03 95.78 01:30:12 0 2.76 0.00 0.50 0.52 0.03 96.18 01:30:12 1 3.30 0.00 0.64 0.62 0.03 95.41 01:30:12 2 4.96 0.00 0.63 0.41 0.02 93.98 01:30:12 3 1.91 0.00 0.40 0.13 0.03 97.54 01:40:12 all 59.07 0.00 1.95 0.05 0.09 38.83 01:40:12 0 60.15 0.00 2.07 0.07 0.10 37.61 01:40:12 1 57.51 0.00 1.75 0.07 0.09 40.59 01:40:12 2 57.88 0.00 1.96 0.02 0.09 40.05 01:40:12 3 60.76 0.00 2.04 0.02 0.10 37.09 01:50:12 all 68.06 0.00 2.80 0.07 0.09 28.97 01:50:12 0 67.95 0.00 2.47 0.06 0.09 29.43 01:50:12 1 66.73 0.00 2.94 0.08 0.09 30.17 01:50:12 2 68.16 0.00 2.95 0.10 0.10 28.69 01:50:12 3 69.41 0.00 2.83 0.06 0.09 27.61 Average: all 43.21 0.00 1.76 0.18 0.07 54.78 Average: 0 43.36 0.00 1.67 0.22 0.07 54.67 Average: 1 42.27 0.00 1.77 0.26 0.07 55.63 Average: 2 43.41 0.00 1.84 0.18 0.07 54.51 Average: 3 43.79 0.00 1.75 0.07 0.07 54.32