---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-126 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 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 629 10541 4 4817 15016 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:26:96:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84280sec preferred_lft 84280sec inet6 fe80::f816:3eff:fe26:96df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:ef:f6:10:55: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-126) 07/29/26 _x86_64_ (4 CPU) 01:49:12 LINUX RESTART (4 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 15.11 1.79 12.69 0.62 80.57 2354.96 745.93 02:10:04 14.31 1.60 11.64 1.07 117.99 3062.82 2008.92 02:20:04 31.11 0.92 25.76 4.44 33.41 4297.53 11404.87 Average: 20.16 1.44 16.69 2.04 77.43 3238.40 4714.77 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 12362900 15077332 888312 5.43 110016 2780376 1410060 8.09 383924 3289568 215520 02:10:04 10313492 13785808 2172804 13.27 139608 3442412 2433892 13.97 589632 5074552 27640 02:20:04 10800828 15374584 576640 3.52 171900 4432336 1113936 6.39 895416 4179900 280 Average: 11159073 14745908 1212585 7.41 140508 3551708 1652629 9.49 622991 4181340 81147 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 02:00:01 ens3 62.23 49.05 681.17 7.31 0.00 0.00 0.00 0.00 02:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:10:04 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 02:10:04 ens3 75.68 59.97 242.16 18.27 0.00 0.00 0.00 0.00 02:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:04 lo 1660.85 1660.85 1580.12 1580.12 0.00 0.00 0.00 0.00 02:20:04 ens3 92.69 69.93 425.41 60.73 0.00 0.00 0.00 0.00 02:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 553.02 553.02 525.65 525.65 0.00 0.00 0.00 0.00 Average: ens3 76.87 59.65 448.94 28.75 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-126) 07/29/26 _x86_64_ (4 CPU) 01:49:12 LINUX RESTART (4 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 4.92 0.00 0.38 0.33 0.03 94.34 02:00:01 0 3.25 0.00 0.19 0.18 0.02 96.35 02:00:01 1 7.57 0.00 0.59 0.28 0.04 91.51 02:00:01 2 2.87 0.00 0.33 0.68 0.03 96.08 02:00:01 3 5.99 0.00 0.39 0.18 0.02 93.42 02:10:04 all 71.48 0.00 2.27 0.59 0.13 25.53 02:10:04 0 69.68 0.00 2.14 0.36 0.13 27.70 02:10:04 1 72.11 0.00 2.54 0.42 0.13 24.79 02:10:04 2 73.88 0.00 2.32 0.47 0.13 23.19 02:10:04 3 70.26 0.00 2.07 1.10 0.13 26.45 02:20:04 all 60.39 0.00 2.55 0.16 0.11 36.79 02:20:04 0 57.35 0.00 2.25 0.15 0.11 40.14 02:20:04 1 58.41 0.00 2.56 0.17 0.11 38.76 02:20:04 2 62.93 0.00 2.44 0.16 0.11 34.35 02:20:04 3 62.88 0.00 2.95 0.16 0.11 33.90 Average: all 45.64 0.00 1.73 0.36 0.09 52.18 Average: 0 43.46 0.00 1.53 0.23 0.09 54.70 Average: 1 46.04 0.00 1.90 0.29 0.09 51.68 Average: 2 46.62 0.00 1.70 0.44 0.09 51.14 Average: 3 46.43 0.00 1.80 0.48 0.09 51.19