---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41762 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 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 687 8792 4 6509 14958 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:2c:2c:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84588sec preferred_lft 84588sec inet6 fe80::f816:3eff:fe2c:2c78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:30:d1:8a:91:80 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-41762) 08/27/26 _x86_64_ (4 CPU) 21:44:08 LINUX RESTART (4 CPU) 21:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:00:08 22.98 0.07 20.29 2.62 7.00 2210.18 6541.27 22:10:01 27.20 0.03 24.52 2.64 0.69 4212.85 11432.94 Average: 25.06 0.05 22.38 2.63 3.88 3200.45 8960.08 21:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:08 9404380 13171372 2784764 17.01 143692 3730172 2866352 16.45 707192 5844064 10684 22:10:01 5797280 10568568 5383716 32.88 160264 4674516 5367948 30.81 991356 9117456 352 Average: 7600830 11869970 4084240 24.94 151978 4202344 4117150 23.63 849274 7480760 5518 21:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:00:08 lo 1366.97 1366.97 1296.14 1296.14 0.00 0.00 0.00 0.00 22:00:08 ens3 23.21 20.22 19.96 7.14 0.00 0.00 0.00 0.00 22:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 lo 1158.27 1158.27 1143.83 1143.83 0.00 0.00 0.00 0.00 22:10:01 ens3 21.25 18.70 33.74 6.53 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1263.77 1263.77 1220.82 1220.82 0.00 0.00 0.00 0.00 Average: ens3 22.24 19.47 26.77 6.84 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-41762) 08/27/26 _x86_64_ (4 CPU) 21:44:08 LINUX RESTART (4 CPU) 21:50:01 CPU %user %nice %system %iowait %steal %idle 22:00:08 all 62.09 0.00 2.46 0.06 0.02 35.37 22:00:08 0 63.22 0.00 2.87 0.05 0.02 33.84 22:00:08 1 60.42 0.00 2.13 0.07 0.02 37.35 22:00:08 2 63.19 0.00 2.66 0.05 0.02 34.09 22:00:08 3 61.54 0.00 2.19 0.06 0.02 36.20 22:10:01 all 53.27 0.00 2.33 0.12 0.02 44.26 22:10:01 0 49.25 0.00 2.26 0.22 0.02 48.24 22:10:01 1 53.65 0.00 2.42 0.08 0.02 43.83 22:10:01 2 57.35 0.00 2.26 0.05 0.02 40.33 22:10:01 3 52.85 0.00 2.38 0.11 0.02 44.64 Average: all 57.73 0.00 2.40 0.09 0.02 39.76 Average: 0 56.31 0.00 2.57 0.14 0.02 40.96 Average: 1 57.07 0.00 2.28 0.08 0.02 40.55 Average: 2 60.30 0.00 2.46 0.05 0.02 37.17 Average: 3 57.24 0.00 2.28 0.08 0.02 40.38