---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3177 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: 5600.00 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 676 10100 4 5211 14970 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:9c:28:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84039sec preferred_lft 84039sec inet6 fe80::f816:3eff:fe9c:2849/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:a4:1d:d7:69:32 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-3177) 08/07/26 _x86_64_ (4 CPU) 10:41:55 LINUX RESTART (4 CPU) 10:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:00 9.84 1.92 7.61 0.31 125.95 1873.53 1054.43 11:10:19 10.85 0.46 9.31 1.08 18.25 2120.77 2507.06 11:20:09 29.19 0.59 24.54 4.06 22.37 3679.86 3159.19 Average: 16.55 0.98 13.76 1.81 54.75 2552.62 2247.40 10:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:00 10607140 14056972 1902992 11.62 129908 3458312 2350144 13.49 566448 4837172 34112 11:10:19 9395908 13474808 2479136 15.14 159960 3996132 3034756 17.42 727928 5817036 24144 11:20:09 10468164 15445564 502340 3.07 182600 4816416 1011284 5.80 969224 4410804 188 Average: 10157071 14325781 1628156 9.94 157489 4090287 2132061 12.24 754533 5021671 19481 10:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:00 lo 0.46 0.46 0.04 0.04 0.00 0.00 0.00 0.00 11:00:00 ens3 79.95 65.29 721.92 10.76 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:19 lo 1.46 1.46 0.14 0.14 0.00 0.00 0.00 0.00 11:10:19 ens3 61.89 50.24 92.45 16.92 0.00 0.00 0.00 0.00 11:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:09 lo 1742.56 1742.56 1648.17 1648.17 0.00 0.00 0.00 0.00 11:20:09 ens3 103.51 95.12 445.30 160.00 0.00 0.00 0.00 0.00 11:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 573.50 573.50 541.88 541.88 0.00 0.00 0.00 0.00 Average: ens3 81.47 69.90 413.86 61.95 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-3177) 08/07/26 _x86_64_ (4 CPU) 10:41:55 LINUX RESTART (4 CPU) 10:50:14 CPU %user %nice %system %iowait %steal %idle 11:00:00 all 24.67 0.00 0.86 0.06 0.05 74.37 11:00:00 0 24.21 0.00 0.71 0.02 0.05 75.01 11:00:00 1 26.03 0.00 0.90 0.08 0.05 72.93 11:00:00 2 23.62 0.00 0.91 0.03 0.05 75.39 11:00:00 3 24.81 0.00 0.90 0.10 0.06 74.13 11:10:19 all 72.19 0.00 2.30 0.02 0.13 25.36 11:10:19 0 70.91 0.00 2.23 0.03 0.12 26.71 11:10:19 1 70.40 0.00 2.13 0.02 0.13 27.32 11:10:19 2 73.06 0.00 2.49 0.03 0.13 24.30 11:10:19 3 74.40 0.00 2.34 0.02 0.13 23.11 11:20:09 all 39.10 0.00 1.95 0.06 0.08 58.80 11:20:09 0 41.28 0.00 1.94 0.05 0.08 56.64 11:20:09 1 36.83 0.00 1.79 0.10 0.08 61.20 11:20:09 2 38.33 0.00 2.15 0.07 0.09 59.35 11:20:09 3 39.96 0.00 1.93 0.02 0.08 58.02 Average: all 45.80 0.00 1.71 0.05 0.09 52.35 Average: 0 45.93 0.00 1.64 0.03 0.09 52.32 Average: 1 44.86 0.00 1.62 0.07 0.09 53.37 Average: 2 45.51 0.00 1.86 0.04 0.09 52.50 Average: 3 46.89 0.00 1.73 0.05 0.09 51.23