---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38397 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 660 10498 4 4830 14986 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:f1:ca:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84367sec preferred_lft 84367sec inet6 fe80::f816:3eff:fef1:cab7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:55:99:c0:37:4e 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-38397) 07/24/26 _x86_64_ (4 CPU) 14:49:17 LINUX RESTART (4 CPU) 14:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:12 28.35 3.81 23.55 0.99 241.67 8083.04 2681.77 15:10:01 10.15 0.48 8.65 1.01 18.08 4477.17 2567.11 15:20:13 27.69 0.55 22.90 4.24 21.88 3664.33 10162.37 Average: 22.21 1.63 18.49 2.09 94.88 5420.71 5169.10 14:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:12 11045056 14188040 1773688 10.83 120492 3164736 2204692 12.65 511496 4459256 21300 15:10:01 9994772 13657636 2299220 14.04 147116 3605944 2864680 16.44 649600 5312716 29548 15:20:13 10802464 15389268 561088 3.43 173244 4444104 1118464 6.42 897748 4174380 120 Average: 10614097 14411648 1544665 9.43 146951 3738261 2062612 11.84 686281 4648784 16989 14:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:12 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 15:00:12 ens3 111.37 86.45 964.86 16.32 0.00 0.00 0.00 0.00 15:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1.31 1.31 0.13 0.13 0.00 0.00 0.00 0.00 15:10:01 ens3 65.67 49.63 53.14 16.67 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:13 lo 1695.92 1695.92 1607.50 1607.50 0.00 0.00 0.00 0.00 15:20:13 ens3 86.68 77.65 398.60 103.03 0.00 0.00 0.00 0.00 15:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 573.02 573.02 542.57 542.57 0.00 0.00 0.00 0.00 Average: ens3 88.19 71.52 477.66 45.70 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-38397) 07/24/26 _x86_64_ (4 CPU) 14:49:17 LINUX RESTART (4 CPU) 14:50:00 CPU %user %nice %system %iowait %steal %idle 15:00:12 all 32.30 0.00 1.24 0.79 0.06 65.60 15:00:12 0 30.48 0.00 1.17 0.69 0.06 67.59 15:00:12 1 34.03 0.00 1.21 0.29 0.06 64.41 15:00:12 2 32.65 0.00 1.31 1.93 0.07 64.04 15:00:12 3 32.04 0.00 1.25 0.27 0.06 66.38 15:10:01 all 64.94 0.00 2.11 4.41 0.14 28.41 15:10:01 0 61.32 0.00 1.90 0.28 0.14 36.37 15:10:01 1 66.06 0.00 2.07 8.58 0.14 23.14 15:10:01 2 68.01 0.00 2.43 8.32 0.14 21.10 15:10:01 3 64.37 0.00 2.02 0.44 0.13 33.03 15:20:13 all 44.81 0.00 2.27 3.26 0.12 49.53 15:20:13 0 44.83 0.00 2.70 7.06 0.13 45.28 15:20:13 1 43.12 0.00 2.26 2.86 0.12 51.64 15:20:13 2 46.83 0.00 2.27 1.63 0.12 49.16 15:20:13 3 44.46 0.00 1.87 1.48 0.13 52.06 Average: all 47.10 0.00 1.87 2.80 0.11 48.12 Average: 0 45.32 0.00 1.92 2.70 0.11 49.94 Average: 1 47.49 0.00 1.84 3.85 0.11 46.72 Average: 2 48.90 0.00 2.00 3.90 0.11 45.09 Average: 3 46.72 0.00 1.71 0.73 0.11 50.73