---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38543 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 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 636 8488 4 6864 15010 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:61:ad:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83992sec preferred_lft 83992sec inet6 fe80::f816:3eff:fe61:ad3b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:fb:ca:b4:bd:66 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-38543) 08/18/26 _x86_64_ (4 CPU) 13:55:24 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:13 32.38 3.05 26.09 3.24 360.13 4511.89 5237.58 14:20:01 45.54 0.03 28.28 17.23 0.78 2481.83 252285.36 14:30:01 7.67 0.02 6.98 0.67 0.44 3032.92 40902.09 Average: 28.44 1.05 20.43 6.95 122.90 3356.03 97796.98 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:13 9706528 13534508 2423400 14.80 142396 3796984 2534516 14.55 756832 5508656 25920 14:20:01 7995904 12447836 3506220 21.41 164920 4355340 3567936 20.48 899692 7034188 227524 14:30:01 5144352 10134172 5817828 35.53 166592 4876004 5522220 31.70 1089056 9656020 436 Average: 7615595 12038839 3915816 23.92 157969 4342776 3874891 22.24 915193 7399621 84627 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:13 lo 1548.48 1548.48 1469.73 1469.73 0.00 0.00 0.00 0.00 14:10:13 ens3 121.75 93.62 891.53 19.88 0.00 0.00 0.00 0.00 14:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 1461.13 1461.13 1392.01 1392.01 0.00 0.00 0.00 0.00 14:20:01 ens3 44.39 34.12 26.62 11.37 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 474.13 474.13 6996.84 6996.84 0.00 0.00 0.00 0.00 14:30:01 ens3 13.19 9.55 8.18 3.23 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1161.86 1161.86 3286.60 3286.60 0.00 0.00 0.00 0.00 Average: ens3 60.30 46.17 314.67 11.55 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-38543) 08/18/26 _x86_64_ (4 CPU) 13:55:24 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:13 all 68.65 0.00 2.60 0.10 0.10 28.55 14:10:13 0 68.87 0.00 2.87 0.11 0.10 28.05 14:10:13 1 68.44 0.00 2.41 0.12 0.10 28.94 14:10:13 2 69.24 0.00 2.36 0.08 0.10 28.21 14:10:13 3 68.05 0.00 2.78 0.07 0.10 29.00 14:20:01 all 63.66 0.00 2.55 0.07 0.10 33.63 14:20:01 0 63.92 0.00 2.64 0.09 0.10 33.25 14:20:01 1 63.71 0.00 2.57 0.10 0.10 33.53 14:20:01 2 64.98 0.00 2.27 0.03 0.10 32.61 14:20:01 3 62.03 0.00 2.70 0.06 0.10 35.11 14:30:01 all 32.24 0.00 1.10 0.04 0.09 66.52 14:30:01 0 31.62 0.00 1.36 0.07 0.09 66.86 14:30:01 1 30.87 0.00 0.82 0.03 0.09 68.19 14:30:01 2 36.00 0.00 1.31 0.05 0.10 62.54 14:30:01 3 30.48 0.00 0.91 0.03 0.09 68.49 Average: all 54.87 0.00 2.08 0.07 0.10 42.88 Average: 0 54.81 0.00 2.29 0.09 0.10 42.72 Average: 1 54.34 0.00 1.93 0.08 0.10 43.55 Average: 2 56.77 0.00 1.98 0.06 0.10 41.10 Average: 3 53.55 0.00 2.13 0.05 0.10 44.18