---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17323 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 657 8697 4 6634 14989 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:7b:49:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84186sec preferred_lft 84186sec inet6 fe80::f816:3eff:fe7b:49d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:75:69:07:22:98 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-17323) 05/21/26 _x86_64_ (4 CPU) 05:23:18 LINUX RESTART (4 CPU) 05:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 26.98 0.44 23.34 3.20 19.95 3139.32 6788.10 05:50:08 31.80 0.01 28.57 3.22 0.22 2840.81 9536.97 06:00:08 14.50 0.33 12.28 1.89 14.31 7371.83 2820.63 Average: 24.45 0.26 21.42 2.77 11.42 4449.52 6392.35 05:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9369152 13226308 2730248 16.68 143156 3824340 3119104 17.90 828572 5774544 31712 05:50:08 7551556 12436832 3515172 21.47 162272 4785360 3518412 20.20 1111492 7258244 513972 06:00:08 8971388 15409336 536760 3.28 181612 6267388 1074052 6.17 1717764 5164540 12540 Average: 8630699 13690825 2260727 13.81 162347 4959029 2570523 14.75 1219276 6065776 186075 05:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1514.61 1514.61 1437.57 1437.57 0.00 0.00 0.00 0.00 05:40:01 ens3 52.87 43.86 57.88 14.29 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:08 lo 1396.07 1396.07 1329.85 1329.85 0.00 0.00 0.00 0.00 05:50:08 ens3 50.36 39.65 41.16 12.90 0.00 0.00 0.00 0.00 05:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:08 lo 369.43 369.43 6844.80 6844.80 0.00 0.00 0.00 0.00 06:00:08 ens3 93.92 103.49 118.41 1005.19 0.00 0.00 0.00 0.00 06:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1092.92 1092.92 3203.66 3203.66 0.00 0.00 0.00 0.00 Average: ens3 65.71 62.32 72.42 344.12 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-17323) 05/21/26 _x86_64_ (4 CPU) 05:23:18 LINUX RESTART (4 CPU) 05:30:08 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 68.43 0.00 2.44 0.05 0.10 28.97 05:40:01 0 67.75 0.00 2.20 0.04 0.10 29.92 05:40:01 1 69.58 0.00 2.71 0.04 0.10 27.58 05:40:01 2 66.95 0.00 2.58 0.11 0.10 30.26 05:40:01 3 69.44 0.00 2.30 0.03 0.10 28.14 05:50:08 all 63.10 0.00 2.48 0.07 0.09 34.26 05:50:08 0 60.13 0.00 2.32 0.05 0.09 37.41 05:50:08 1 62.75 0.00 2.47 0.07 0.09 34.62 05:50:08 2 66.09 0.00 2.78 0.08 0.09 30.96 05:50:08 3 63.42 0.00 2.36 0.10 0.09 34.03 06:00:08 all 28.00 0.00 1.06 0.16 0.07 70.71 06:00:08 0 20.83 0.00 1.07 0.17 0.07 77.87 06:00:08 1 20.66 0.00 0.75 0.27 0.07 78.25 06:00:08 2 39.23 0.00 1.31 0.14 0.07 59.24 06:00:08 3 31.28 0.00 1.10 0.08 0.08 67.46 Average: all 53.13 0.00 1.99 0.10 0.09 44.69 Average: 0 49.51 0.00 1.86 0.09 0.09 48.46 Average: 1 50.94 0.00 1.97 0.13 0.09 46.87 Average: 2 57.40 0.00 2.22 0.11 0.09 40.18 Average: 3 54.67 0.00 1.92 0.07 0.09 43.25