---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1163 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: 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 11G 68G 14% / 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 690 10472 4 4826 14956 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:cd:34:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83983sec preferred_lft 83983sec inet6 fe80::f816:3eff:fecd:3418/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:d8:c1:fc:db:f2 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-1163) 08/01/26 _x86_64_ (4 CPU) 09:49:36 LINUX RESTART (4 CPU) 09:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:01 47.16 8.12 38.36 0.68 1271.04 5172.13 2290.84 10:10:22 11.53 1.86 9.06 0.61 119.84 2443.98 1552.35 10:20:22 26.56 0.77 22.14 3.66 27.92 3287.19 4092.27 Average: 28.24 3.57 23.03 1.64 469.52 3621.75 2631.74 09:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:01 13013288 15486204 488372 2.98 98232 2563800 999956 5.74 338724 2692684 232 10:10:22 10800164 14076940 1883576 11.50 128428 3276064 2233232 12.82 543052 4637296 24024 10:20:22 9067972 13242956 2709176 16.55 165412 4062236 2804700 16.10 770132 6056056 55896 Average: 10960475 14268700 1693708 10.34 130691 3300700 2012629 11.55 550636 4462012 26717 09:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:01 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 10:00:01 ens3 69.12 53.35 522.10 10.13 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:22 lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 10:10:22 ens3 90.40 72.02 640.44 14.86 0.00 0.00 0.00 0.00 10:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:22 lo 1598.38 1598.38 1523.79 1523.79 0.00 0.00 0.00 0.00 10:20:22 ens3 96.74 71.10 402.88 20.20 0.00 0.00 0.00 0.00 10:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 526.28 526.28 501.39 501.39 0.00 0.00 0.00 0.00 Average: ens3 85.46 65.56 523.22 15.05 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-1163) 08/01/26 _x86_64_ (4 CPU) 09:49:36 LINUX RESTART (4 CPU) 09:50:00 CPU %user %nice %system %iowait %steal %idle 10:00:01 all 3.24 0.00 0.44 0.34 0.03 95.96 10:00:01 0 2.63 0.00 0.38 0.72 0.02 96.25 10:00:01 1 2.92 0.00 0.46 0.33 0.03 96.27 10:00:01 2 3.77 0.00 0.42 0.16 0.03 95.61 10:00:01 3 3.63 0.00 0.50 0.15 0.03 95.69 10:10:22 all 43.11 0.00 1.37 0.05 0.07 55.40 10:10:22 0 42.64 0.00 1.21 0.06 0.06 56.03 10:10:22 1 43.70 0.00 1.30 0.02 0.07 54.91 10:10:22 2 43.24 0.00 1.59 0.05 0.07 55.04 10:10:22 3 42.87 0.00 1.37 0.08 0.07 55.62 10:20:22 all 68.34 0.00 2.67 0.06 0.10 28.83 10:20:22 0 65.96 0.00 2.37 0.08 0.10 31.50 10:20:22 1 66.61 0.00 2.84 0.06 0.09 30.40 10:20:22 2 71.05 0.00 2.92 0.04 0.10 25.89 10:20:22 3 69.75 0.00 2.57 0.06 0.10 27.52 Average: all 38.22 0.00 1.49 0.15 0.06 60.08 Average: 0 37.08 0.00 1.32 0.28 0.06 61.26 Average: 1 37.73 0.00 1.53 0.13 0.06 60.54 Average: 2 39.33 0.00 1.64 0.09 0.07 58.88 Average: 3 38.73 0.00 1.48 0.09 0.06 59.64