---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5191 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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): 8 On-line CPU(s) list: 0-7 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): 8 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 nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 23G 133G 15% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 826 14406 4 16859 30798 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:83:ee:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.122/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85188sec preferred_lft 85188sec inet6 fe80::f816:3eff:fe83:ee60/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:3f:bb:d1:dc:43 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 inet6 fe80::c3f:bbff:fed1:dc43/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-5191) 07/04/26 _x86_64_ (8 CPU) 18:14:23 LINUX RESTART (8 CPU) 18:20:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:12 283.72 1.35 275.54 6.84 18.18 50976.66 232415.46 Average: 283.72 1.35 275.54 6.84 18.18 50976.66 232415.46 18:20:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:12 14366712 30948576 1280048 3.90 461364 15542128 1876972 5.53 6766400 10355172 433432 Average: 14366712 30948576 1280048 3.90 461364 15542128 1876972 5.53 6766400 10355172 433432 18:20:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:12 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 18:30:12 ens3 146.21 99.56 1911.62 2172.69 0.00 0.00 0.00 0.00 18:30:12 docker0 32.36 51.12 2.43 894.11 0.00 0.00 0.00 0.00 18:30:12 veth5d42032 23.36 34.20 1.72 682.88 0.00 0.00 0.00 0.06 Average: lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 146.21 99.56 1911.62 2172.69 0.00 0.00 0.00 0.00 Average: docker0 32.36 51.12 2.43 894.11 0.00 0.00 0.00 0.00 Average: veth5d42032 23.36 34.20 1.72 682.88 0.00 0.00 0.00 0.06 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-5191) 07/04/26 _x86_64_ (8 CPU) 18:14:23 LINUX RESTART (8 CPU) 18:20:27 CPU %user %nice %system %iowait %steal %idle 18:30:12 all 15.70 0.00 5.30 0.59 0.06 78.35 18:30:12 0 15.52 0.00 4.94 0.44 0.06 79.04 18:30:12 1 18.96 0.00 6.22 0.61 0.06 74.14 18:30:12 2 16.02 0.00 5.28 0.59 0.06 78.06 18:30:12 3 17.86 0.00 5.72 0.50 0.06 75.85 18:30:12 4 14.01 0.00 4.88 0.98 0.07 80.07 18:30:12 5 13.78 0.00 4.83 0.72 0.06 80.61 18:30:12 6 13.86 0.00 5.47 0.55 0.06 80.06 18:30:12 7 15.61 0.00 5.08 0.33 0.05 78.93 Average: all 15.70 0.00 5.30 0.59 0.06 78.35 Average: 0 15.52 0.00 4.94 0.44 0.06 79.04 Average: 1 18.96 0.00 6.22 0.61 0.06 74.14 Average: 2 16.02 0.00 5.28 0.59 0.06 78.06 Average: 3 17.86 0.00 5.72 0.50 0.06 75.85 Average: 4 14.01 0.00 4.88 0.98 0.07 80.07 Average: 5 13.78 0.00 4.83 0.72 0.06 80.61 Average: 6 13.86 0.00 5.47 0.55 0.06 80.06 Average: 7 15.61 0.00 5.08 0.33 0.05 78.93