---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42024 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 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 669 8585 4 6734 14976 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:d0:bc:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83789sec preferred_lft 83789sec inet6 fe80::f816:3eff:fed0:bc72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:1b:f5:9b:5d:d6 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-42024) 08/28/26 _x86_64_ (4 CPU) 10:14:47 LINUX RESTART (4 CPU) 10:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:10 27.42 2.96 21.86 2.60 161.19 3997.12 3709.19 10:40:10 25.68 0.02 22.98 2.69 0.56 2193.05 6361.08 10:50:10 15.74 0.03 14.35 1.35 0.57 3336.34 3580.05 Average: 22.95 1.00 19.73 2.21 54.11 3175.51 4550.09 10:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:10 10011700 13612988 2344780 14.32 141100 3580496 2465840 14.15 669956 5303380 12512 10:40:10 9103160 13119540 2834984 17.31 161284 3940200 2981776 17.12 785088 6052244 21796 10:50:10 5646200 10462728 5488808 33.52 170292 4701604 5281648 30.32 1026784 9211312 152 Average: 8253687 12398419 3556191 21.72 157559 4074100 3576421 20.53 827276 6855645 11487 10:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:10 lo 1469.65 1469.65 1394.93 1394.93 0.00 0.00 0.00 0.00 10:30:10 ens3 111.42 88.38 1040.00 16.35 0.00 0.00 0.00 0.00 10:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:10 lo 1184.50 1184.50 1128.61 1128.61 0.00 0.00 0.00 0.00 10:40:10 ens3 23.48 20.27 18.90 7.18 0.00 0.00 0.00 0.00 10:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:10 lo 676.77 676.77 5062.30 5062.30 0.00 0.00 0.00 0.00 10:50:10 ens3 12.77 10.80 13.20 4.44 0.00 0.00 0.00 0.00 10:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1110.31 1110.31 2528.64 2528.64 0.00 0.00 0.00 0.00 Average: ens3 49.22 39.82 357.37 9.32 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-42024) 08/28/26 _x86_64_ (4 CPU) 10:14:47 LINUX RESTART (4 CPU) 10:20:10 CPU %user %nice %system %iowait %steal %idle 10:30:10 all 57.40 0.00 2.49 0.07 0.02 40.02 10:30:10 0 55.75 0.00 2.15 0.14 0.02 41.95 10:30:10 1 56.37 0.00 2.46 0.04 0.02 41.12 10:30:10 2 59.26 0.00 2.71 0.05 0.02 37.96 10:30:10 3 58.22 0.00 2.64 0.07 0.02 39.05 10:40:10 all 65.95 0.00 2.48 0.06 0.02 31.50 10:40:10 0 64.60 0.00 2.61 0.06 0.02 32.72 10:40:10 1 66.64 0.00 2.20 0.04 0.02 31.11 10:40:10 2 66.56 0.00 2.38 0.04 0.02 31.00 10:40:10 3 66.01 0.00 2.73 0.08 0.02 31.16 10:50:10 all 35.07 0.00 1.53 0.07 0.01 63.32 10:50:10 0 34.20 0.00 1.49 0.03 0.01 64.27 10:50:10 1 30.78 0.00 1.41 0.05 0.01 67.74 10:50:10 2 39.47 0.00 1.58 0.13 0.02 58.80 10:50:10 3 35.86 0.00 1.63 0.06 0.01 62.44 Average: all 52.81 0.00 2.17 0.07 0.02 44.95 Average: 0 51.50 0.00 2.08 0.08 0.01 46.32 Average: 1 51.25 0.00 2.02 0.04 0.02 46.67 Average: 2 55.11 0.00 2.22 0.08 0.02 42.58 Average: 3 53.37 0.00 2.33 0.07 0.02 44.22