---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-681 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 681 10485 4 4822 14965 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:95:1a:b4 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 84371sec preferred_lft 84371sec inet6 fe80::f816:3eff:fe95:1ab4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:76:9b:64:df:0c 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-681) 07/30/26 _x86_64_ (4 CPU) 22:53:14 LINUX RESTART (4 CPU) 23:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:01 24.94 1.94 8.96 14.04 124.96 2501.61 242347.19 23:20:03 29.94 0.77 25.72 3.46 27.81 3324.95 4314.36 Average: 27.45 1.35 17.38 8.72 76.15 2915.28 122752.97 23:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:01 10503164 13764932 2195628 13.41 127840 3263640 2550312 14.64 545568 4950556 26420 23:20:03 9055436 13183724 2768360 16.91 166520 4013880 2864432 16.44 774492 6060116 7892 Average: 9779300 13474328 2481994 15.16 147180 3638760 2707372 15.54 660030 5505336 17156 23:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:01 lo 0.85 0.85 0.08 0.08 0.00 0.00 0.00 0.00 23:10:01 ens3 86.20 69.02 655.71 14.89 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:03 lo 1585.82 1585.82 1511.79 1511.79 0.00 0.00 0.00 0.00 23:20:03 ens3 87.68 65.04 335.68 19.56 0.00 0.00 0.00 0.00 23:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 797.18 797.18 759.61 759.61 0.00 0.00 0.00 0.00 Average: ens3 86.94 67.02 494.92 17.24 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-681) 07/30/26 _x86_64_ (4 CPU) 22:53:14 LINUX RESTART (4 CPU) 23:00:04 CPU %user %nice %system %iowait %steal %idle 23:10:01 all 43.52 0.00 1.38 0.12 0.06 54.92 23:10:01 0 43.46 0.00 1.33 0.07 0.06 55.09 23:10:01 1 43.13 0.00 1.58 0.03 0.07 55.19 23:10:01 2 43.77 0.00 1.33 0.37 0.06 54.47 23:10:01 3 43.73 0.00 1.27 0.02 0.05 54.92 23:20:03 all 68.90 0.00 2.70 0.05 0.09 28.26 23:20:03 0 69.42 0.00 2.75 0.04 0.09 27.70 23:20:03 1 69.60 0.00 2.90 0.04 0.08 27.38 23:20:03 2 67.62 0.00 2.61 0.06 0.08 29.62 23:20:03 3 68.98 0.00 2.55 0.07 0.09 28.33 Average: all 56.27 0.00 2.04 0.09 0.07 41.53 Average: 0 56.49 0.00 2.04 0.06 0.08 41.34 Average: 1 56.43 0.00 2.24 0.04 0.08 41.21 Average: 2 55.74 0.00 1.98 0.22 0.07 41.99 Average: 3 56.40 0.00 1.91 0.04 0.07 41.57