---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26703 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 65G 17% / 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 679 8259 4 7051 14967 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:74:11:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83636sec preferred_lft 83636sec inet6 fe80::f816:3eff:fe74:11d7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:ca:e0:a2:73:6c 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26703) 06/11/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:11 43.74 1.53 25.45 16.76 71.00 4254.15 250051.31 19:30:01 33.55 0.01 30.03 3.52 0.16 2512.95 19251.41 19:40:16 7.31 0.02 6.76 0.53 0.31 2810.66 39014.23 Average: 27.95 0.52 20.56 6.88 23.63 3190.29 102301.94 19:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:11 9044896 12685312 3272572 19.99 139444 3615952 3332572 19.13 697340 6227400 6816 19:30:01 9155220 13209620 2744860 16.76 160452 3978860 2772264 15.91 811748 5960664 20488 19:40:16 5624760 10429816 5522296 33.73 164304 4698084 5182480 29.75 1024664 9237740 29764 Average: 7941625 12108249 3846576 23.49 154733 4097632 3762439 21.60 844584 7141935 19023 19:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:11 lo 1470.71 1470.71 1395.46 1395.46 0.00 0.00 0.00 0.00 19:20:11 ens3 79.29 63.01 479.56 15.88 0.00 0.00 0.00 0.00 19:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1616.59 1616.59 1540.70 1540.70 0.00 0.00 0.00 0.00 19:30:01 ens3 43.61 32.83 26.06 11.43 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:16 lo 594.01 594.01 6971.67 6971.67 0.00 0.00 0.00 0.00 19:40:16 ens3 14.94 10.15 8.10 3.27 0.00 0.00 0.00 0.00 19:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1218.87 1218.87 3348.87 3348.87 0.00 0.00 0.00 0.00 Average: ens3 45.61 35.05 169.84 10.11 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26703) 06/11/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:16 CPU %user %nice %system %iowait %steal %idle 19:20:11 all 68.02 0.00 2.51 0.08 0.10 29.29 19:20:11 0 67.12 0.00 2.35 0.12 0.10 30.30 19:20:11 1 69.61 0.00 2.51 0.07 0.10 27.70 19:20:11 2 67.04 0.00 2.45 0.09 0.10 30.32 19:20:11 3 68.30 0.00 2.72 0.03 0.09 28.85 19:30:01 all 63.63 0.00 2.54 0.06 0.09 33.68 19:30:01 0 62.52 0.00 2.62 0.08 0.09 34.69 19:30:01 1 63.60 0.00 2.21 0.06 0.10 34.03 19:30:01 2 64.25 0.00 2.63 0.06 0.10 32.96 19:30:01 3 64.14 0.00 2.70 0.04 0.09 33.02 19:40:16 all 32.47 0.00 1.02 0.05 0.08 66.39 19:40:16 0 31.11 0.00 1.06 0.08 0.08 67.66 19:40:16 1 32.45 0.00 1.00 0.06 0.08 66.41 19:40:16 2 34.24 0.00 1.09 0.02 0.09 64.55 19:40:16 3 32.06 0.00 0.90 0.02 0.08 66.94 Average: all 54.42 0.00 2.01 0.06 0.09 43.42 Average: 0 53.30 0.00 2.00 0.10 0.09 44.52 Average: 1 54.93 0.00 1.90 0.06 0.09 43.01 Average: 2 54.91 0.00 2.04 0.06 0.09 42.89 Average: 3 54.55 0.00 2.09 0.03 0.09 43.24