---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17012 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 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 8985 4 6316 14959 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:b4:e7:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84553sec preferred_lft 84553sec inet6 fe80::f816:3eff:feb4:e7a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:24:8e:11:e0:f8 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-17012) 05/20/26 _x86_64_ (4 CPU) 06:57:14 LINUX RESTART (4 CPU) 07:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:02 27.13 1.04 23.15 2.93 43.47 3429.26 6850.48 07:20:01 32.57 0.01 29.25 3.30 0.20 2578.93 14633.90 Average: 29.84 0.53 26.19 3.12 21.87 3004.86 10735.18 07:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:02 9104436 12591672 3367696 20.57 132960 3481952 3596312 20.64 666012 6224092 7192 07:20:01 9257524 13201520 2754240 16.82 156120 3882324 2950180 16.93 785344 5905560 46724 Average: 9180980 12896596 3060968 18.70 144540 3682138 3273246 18.79 725678 6064826 26958 07:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:02 lo 1564.35 1564.35 1484.17 1484.17 0.00 0.00 0.00 0.00 07:10:02 ens3 50.72 39.49 311.42 9.52 0.00 0.00 0.00 0.00 07:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 1474.60 1474.60 1405.19 1405.19 0.00 0.00 0.00 0.00 07:20:01 ens3 26.35 22.50 34.90 6.85 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1519.55 1519.55 1444.75 1444.75 0.00 0.00 0.00 0.00 Average: ens3 38.56 31.01 173.41 8.19 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-17012) 05/20/26 _x86_64_ (4 CPU) 06:57:14 LINUX RESTART (4 CPU) 07:00:02 CPU %user %nice %system %iowait %steal %idle 07:10:02 all 68.71 0.00 2.59 0.73 0.11 27.86 07:10:02 0 68.48 0.00 2.68 0.76 0.11 27.97 07:10:02 1 67.37 0.00 2.59 0.33 0.12 29.59 07:10:02 2 70.50 0.00 2.51 1.47 0.11 25.42 07:10:02 3 68.48 0.00 2.58 0.37 0.11 28.46 07:20:01 all 64.00 0.00 2.59 0.17 0.11 33.13 07:20:01 0 62.53 0.00 2.49 0.11 0.11 34.76 07:20:01 1 63.89 0.00 2.59 0.23 0.11 33.19 07:20:01 2 66.52 0.00 2.73 0.11 0.11 30.52 07:20:01 3 63.07 0.00 2.54 0.21 0.11 34.06 Average: all 66.36 0.00 2.59 0.45 0.11 30.49 Average: 0 65.51 0.00 2.59 0.44 0.11 31.36 Average: 1 65.64 0.00 2.59 0.28 0.11 31.38 Average: 2 68.51 0.00 2.62 0.79 0.11 27.96 Average: 3 65.78 0.00 2.56 0.29 0.11 31.25