---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12312 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 67G 15% / 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 770 9386 4 5832 14876 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:d5:7c:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83729sec preferred_lft 83729sec inet6 fe80::f816:3eff:fed5:7c40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:85:4a:2b:99:42 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-12312) 05/09/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:05 17.65 2.32 14.21 1.12 136.19 3999.11 1409.78 20:50:05 62.19 0.31 50.21 11.67 9.40 4148.88 10273.78 21:00:05 33.57 0.30 27.94 5.33 11.73 4892.32 7424.91 Average: 37.79 0.98 30.77 6.04 52.50 4346.60 6365.81 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:05 9134136 12873124 3082500 18.83 168448 3658500 3294808 18.91 690124 6104496 109212 20:50:05 8831540 13268108 2681064 16.37 205224 4263956 2771368 15.91 854344 6172252 23328 21:00:05 9753096 15358272 586924 3.58 239592 5333876 1112764 6.39 1235916 4810400 180 Average: 9239591 13833168 2116829 12.93 204421 4418777 2392980 13.74 926795 5695716 44240 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:05 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 20:40:05 ens3 116.86 88.64 567.56 22.68 0.00 0.00 0.00 0.00 20:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:05 lo 5710.55 5710.55 5446.06 5446.06 0.00 0.00 0.00 0.00 20:50:05 ens3 92.40 64.79 265.70 20.06 0.00 0.00 0.00 0.00 20:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 2509.29 2509.29 2385.98 2385.98 0.00 0.00 0.00 0.00 21:00:05 ens3 81.41 68.38 103.24 74.69 0.00 0.00 0.00 0.00 21:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2738.21 2738.21 2608.64 2608.64 0.00 0.00 0.00 0.00 Average: ens3 96.90 73.95 312.33 39.13 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-12312) 05/09/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:05 all 68.64 0.00 2.36 0.05 0.11 28.83 20:40:05 0 67.34 0.00 2.35 0.07 0.11 30.12 20:40:05 1 67.59 0.00 2.47 0.03 0.11 29.80 20:40:05 2 68.37 0.00 2.25 0.03 0.11 29.24 20:40:05 3 71.27 0.00 2.39 0.06 0.11 26.17 20:50:05 all 61.97 0.00 4.19 0.10 0.10 33.63 20:50:05 0 61.06 0.00 4.45 0.11 0.10 34.29 20:50:05 1 62.88 0.00 3.83 0.14 0.10 33.05 20:50:05 2 61.12 0.00 4.50 0.07 0.10 34.22 20:50:05 3 62.84 0.00 3.98 0.10 0.10 32.98 21:00:05 all 46.31 0.00 2.66 0.10 0.08 50.84 21:00:05 0 43.62 0.00 2.30 0.10 0.09 53.89 21:00:05 1 45.05 0.00 2.95 0.16 0.08 51.75 21:00:05 2 46.48 0.00 2.47 0.10 0.08 50.87 21:00:05 3 50.07 0.00 2.93 0.06 0.08 46.86 Average: all 58.98 0.00 3.07 0.08 0.10 37.77 Average: 0 57.34 0.00 3.03 0.09 0.10 39.43 Average: 1 58.52 0.00 3.08 0.11 0.10 38.20 Average: 2 58.66 0.00 3.07 0.07 0.10 38.11 Average: 3 61.40 0.00 3.10 0.07 0.10 35.34