---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37414 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 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 799 9130 4 6059 14847 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:8d:b3:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84080sec preferred_lft 84080sec inet6 fe80::f816:3eff:fe8d:b3e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:10:81:53:47:6a 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-37414) 07/20/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:07 22.68 0.46 20.00 2.22 14.46 4678.88 9531.34 20:50:06 55.29 0.00 43.66 11.63 0.00 2641.78 12469.67 21:00:06 25.07 0.14 20.84 4.09 9.79 4450.60 4416.86 Average: 34.33 0.20 28.16 5.98 8.09 3924.47 8801.64 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:07 9036096 13462948 2487456 15.19 189524 4281952 2691728 15.45 773020 6084196 36104 20:50:06 8233728 13071132 2875696 17.56 215424 4630160 3077292 17.66 871348 6752496 111004 21:00:06 9510492 15349788 592832 3.62 245996 5548064 1111636 6.38 1228740 5043476 276 Average: 8926772 13961289 1985328 12.13 216981 4820059 2293552 13.16 957703 5960056 49128 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:07 lo 781.72 781.72 744.13 744.13 0.00 0.00 0.00 0.00 20:40:07 ens3 86.78 65.08 324.43 18.91 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:06 lo 5808.00 5808.00 5539.44 5539.44 0.00 0.00 0.00 0.00 20:50:06 ens3 69.67 51.90 23.61 17.67 0.00 0.00 0.00 0.00 20:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:06 lo 1893.43 1893.43 1787.22 1787.22 0.00 0.00 0.00 0.00 21:00:06 ens3 118.31 109.37 125.26 172.43 0.00 0.00 0.00 0.00 21:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2826.27 2826.27 2688.87 2688.87 0.00 0.00 0.00 0.00 Average: ens3 91.61 75.48 157.77 69.76 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-37414) 07/20/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:07 all 68.16 0.00 2.63 0.05 0.11 29.05 20:40:07 0 66.18 0.00 2.30 0.04 0.11 31.37 20:40:07 1 67.23 0.00 2.78 0.03 0.11 29.86 20:40:07 2 69.49 0.00 2.40 0.04 0.10 27.97 20:40:07 3 69.76 0.00 3.05 0.09 0.11 27.00 20:50:06 all 62.85 0.00 4.24 0.09 0.10 32.71 20:50:06 0 62.21 0.00 4.28 0.07 0.10 33.34 20:50:06 1 62.54 0.00 4.42 0.06 0.10 32.87 20:50:06 2 64.04 0.00 3.92 0.08 0.10 31.87 20:50:06 3 62.62 0.00 4.36 0.15 0.10 32.77 21:00:06 all 43.77 0.00 2.34 0.09 0.08 53.72 21:00:06 0 44.14 0.00 2.41 0.09 0.09 53.28 21:00:06 1 43.36 0.00 2.59 0.04 0.08 53.93 21:00:06 2 46.67 0.00 2.28 0.09 0.09 50.87 21:00:06 3 40.89 0.00 2.08 0.14 0.08 56.80 Average: all 58.24 0.00 3.07 0.08 0.10 38.51 Average: 0 57.49 0.00 3.00 0.07 0.10 39.35 Average: 1 57.69 0.00 3.26 0.04 0.10 38.90 Average: 2 60.05 0.00 2.87 0.07 0.10 36.92 Average: 3 57.74 0.00 3.17 0.13 0.09 38.88