---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37178 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 12G 66G 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 692 9248 4 6048 14953 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:a0:31:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84515sec preferred_lft 84515sec inet6 fe80::f816:3eff:fea0:31c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:a0:60:25:6f:bd 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-37178) 08/13/26 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:05 25.79 2.45 20.19 3.15 144.66 3771.40 31893.51 01:30:15 22.35 0.18 19.06 3.12 4.97 1695.18 27279.93 Average: 24.06 1.31 19.62 3.13 74.22 2724.49 29567.16 01:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:05 9672684 13246948 2711952 16.56 131812 3555688 2907952 16.69 678304 5628500 1080 01:30:15 8737444 12865616 3089456 18.87 151832 4054528 3205260 18.40 835272 6371304 187332 Average: 9205064 13056282 2900704 17.72 141822 3805108 3056606 17.54 756788 5999902 94206 01:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:05 lo 21.99 21.99 4.94 4.94 0.00 0.00 0.00 0.00 01:20:05 ens3 66.19 51.18 498.13 10.61 0.00 0.00 0.00 0.00 01:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:15 lo 1373.51 1373.51 1281.73 1281.73 0.00 0.00 0.00 0.00 01:30:15 ens3 46.25 33.73 265.68 8.23 0.00 0.00 0.00 0.00 01:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 703.48 703.48 648.75 648.75 0.00 0.00 0.00 0.00 Average: ens3 56.13 42.38 380.92 9.41 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-37178) 08/13/26 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:06 CPU %user %nice %system %iowait %steal %idle 01:20:05 all 38.84 0.00 1.45 0.13 0.10 59.49 01:20:05 0 39.74 0.00 2.05 0.09 0.10 58.03 01:20:05 1 39.76 0.00 1.43 0.13 0.10 58.59 01:20:05 2 38.36 0.00 1.04 0.08 0.10 60.42 01:20:05 3 37.50 0.00 1.27 0.22 0.10 60.92 01:30:15 all 30.48 0.00 1.63 0.06 0.10 67.73 01:30:15 0 30.54 0.00 1.51 0.05 0.10 67.80 01:30:15 1 29.86 0.00 1.59 0.08 0.10 68.37 01:30:15 2 30.99 0.00 1.91 0.06 0.10 66.94 01:30:15 3 30.55 0.00 1.49 0.05 0.10 67.81 Average: all 34.63 0.00 1.54 0.09 0.10 63.65 Average: 0 35.10 0.00 1.78 0.07 0.10 62.96 Average: 1 34.77 0.00 1.51 0.10 0.10 63.52 Average: 2 34.64 0.00 1.48 0.07 0.10 63.71 Average: 3 33.99 0.00 1.38 0.14 0.10 64.39