---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34829 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 706 10454 4 4828 14940 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:1f:24:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83516sec preferred_lft 83516sec inet6 fe80::f816:3eff:fe1f:24a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:0f:d1:0f:34:63 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-34829) 07/11/26 _x86_64_ (4 CPU) 15:06:08 LINUX RESTART (4 CPU) 15:10:40 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:13 1.60 0.05 1.55 0.01 1.98 18.43 232.36 15:30:13 37.06 2.24 34.22 0.61 133.89 2700.51 816.87 15:40:04 27.49 2.06 10.54 14.89 132.69 3085.43 244615.17 15:50:14 33.57 0.89 28.22 4.47 32.57 4381.79 13917.78 Average: 25.23 1.32 18.90 5.01 75.72 2581.05 64709.97 15:10:40 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:13 13794132 15543016 475900 2.91 53956 1922068 1136664 6.52 193196 2150700 16 15:30:13 13007112 15480376 494328 3.02 98584 2564164 977984 5.61 336548 2687608 240 15:40:04 10424420 13869064 2089604 12.76 138676 3420308 2345292 13.46 587048 4953616 34392 15:50:14 10772848 15357296 593780 3.63 172080 4443776 1090504 6.26 900220 4200456 236 Average: 11999628 15062438 913403 5.58 115824 3087579 1387611 7.96 504253 3498095 8721 15:10:40 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:13 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 15:20:13 ens3 0.21 0.12 0.08 0.04 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 15:30:13 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 15:30:13 ens3 53.98 39.44 386.59 7.93 0.00 0.00 0.00 0.00 15:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:04 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 15:40:04 ens3 103.98 84.33 615.04 21.10 0.00 0.00 0.00 0.00 15:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:14 lo 1654.48 1654.48 1575.55 1575.55 0.00 0.00 0.00 0.00 15:50:14 ens3 93.75 72.89 417.29 39.50 0.00 0.00 0.00 0.00 15:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 425.60 425.60 404.93 404.93 0.00 0.00 0.00 0.00 Average: ens3 63.67 49.72 358.04 17.41 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-34829) 07/11/26 _x86_64_ (4 CPU) 15:06:08 LINUX RESTART (4 CPU) 15:10:40 CPU %user %nice %system %iowait %steal %idle 15:20:13 all 0.13 0.00 0.05 0.01 0.03 99.79 15:20:13 0 0.07 0.00 0.06 0.03 0.04 99.80 15:20:13 1 0.02 0.00 0.03 0.00 0.01 99.93 15:20:13 2 0.39 0.00 0.05 0.00 0.02 99.54 15:20:13 3 0.03 0.00 0.05 0.01 0.03 99.89 15:30:13 all 2.75 0.00 0.36 0.24 0.04 96.61 15:30:13 0 2.16 0.00 0.31 0.33 0.05 97.15 15:30:13 1 1.43 0.00 0.24 0.26 0.02 98.05 15:30:13 2 2.89 0.00 0.47 0.15 0.05 96.44 15:30:13 3 4.54 0.00 0.40 0.21 0.02 94.83 15:40:04 all 66.70 0.00 2.14 0.05 0.10 31.01 15:40:04 0 68.30 0.00 2.29 0.09 0.10 29.22 15:40:04 1 64.70 0.00 2.24 0.04 0.09 32.93 15:40:04 2 68.27 0.00 2.21 0.03 0.10 29.39 15:40:04 3 65.53 0.00 1.80 0.05 0.10 32.53 15:50:14 all 61.14 0.00 2.55 0.07 0.10 36.15 15:50:14 0 62.18 0.00 2.77 0.05 0.09 34.91 15:50:14 1 61.59 0.00 2.37 0.05 0.10 35.90 15:50:14 2 60.43 0.00 2.35 0.05 0.10 37.07 15:50:14 3 60.34 0.00 2.71 0.12 0.10 36.73 Average: all 33.01 0.00 1.29 0.09 0.06 65.55 Average: 0 33.53 0.00 1.37 0.13 0.07 64.90 Average: 1 32.25 0.00 1.23 0.09 0.06 66.37 Average: 2 33.32 0.00 1.28 0.06 0.07 65.27 Average: 3 32.93 0.00 1.26 0.10 0.06 65.65