---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33314 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 764 9597 4 5627 14882 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:29:4a:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82201sec preferred_lft 82201sec inet6 fe80::f816:3eff:fe29:4a56/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:12:57:6f:47:de 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-33314) 07/06/26 _x86_64_ (4 CPU) 05:47:14 LINUX RESTART (4 CPU) 05:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:02 1.71 0.04 1.66 0.01 1.49 20.12 221.91 06:10:01 1.38 0.01 1.38 0.00 0.04 15.79 0.00 06:20:02 1.46 0.00 1.46 0.00 0.03 16.30 0.00 06:30:02 38.71 3.12 34.96 0.63 198.68 3648.36 571.52 06:40:01 23.50 1.73 19.67 2.10 80.72 3884.72 6213.76 06:50:02 33.00 0.05 29.69 3.26 1.60 5860.84 12978.09 Average: 16.63 0.82 14.80 1.00 47.08 2241.24 3331.75 05:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:02 13790904 15542504 476508 2.91 54104 1924440 1136176 6.52 194392 2151944 168 06:10:01 13790400 15542624 476352 2.91 54740 1924448 1136176 6.52 195004 2153096 212 06:20:02 13788636 15541528 477376 2.92 55336 1924464 1136176 6.52 195628 2153364 176 06:30:02 11768412 14543432 1421788 8.68 111664 2837388 1860280 10.68 363416 3897728 22764 06:40:01 9619336 13414652 2541416 15.52 159372 3718684 3014740 17.30 717168 5616900 26116 06:50:02 7636228 12780108 3169108 19.36 192008 4963144 3202024 18.38 1009024 7225580 14620 Average: 11732319 14560808 1427091 8.72 104537 2882095 1914262 10.99 445772 3866435 10676 05:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:02 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 06:00:02 ens3 0.36 0.19 0.11 0.06 0.00 0.00 0.00 0.00 06:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 06:10:01 ens3 0.25 0.09 0.05 0.02 0.00 0.00 0.00 0.00 06:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 06:20:02 ens3 0.23 0.09 0.04 0.02 0.00 0.00 0.00 0.00 06:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:02 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 06:30:02 ens3 76.14 61.06 738.70 11.45 0.00 0.00 0.00 0.00 06:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:01 lo 884.08 884.08 842.42 842.42 0.00 0.00 0.00 0.00 06:40:01 ens3 70.77 53.99 348.19 14.47 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:02 lo 1252.81 1252.81 1193.39 1193.39 0.00 0.00 0.00 0.00 06:50:02 ens3 56.84 45.48 212.88 12.43 0.00 0.00 0.00 0.00 06:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 356.35 356.35 339.36 339.36 0.00 0.00 0.00 0.00 Average: ens3 34.09 26.81 216.64 6.41 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-33314) 07/06/26 _x86_64_ (4 CPU) 05:47:14 LINUX RESTART (4 CPU) 05:50:02 CPU %user %nice %system %iowait %steal %idle 06:00:02 all 0.14 0.00 0.02 0.01 0.01 99.82 06:00:02 0 0.30 0.00 0.03 0.00 0.01 99.66 06:00:02 1 0.04 0.00 0.02 0.01 0.01 99.92 06:00:02 2 0.07 0.00 0.02 0.00 0.01 99.90 06:00:02 3 0.14 0.00 0.02 0.03 0.01 99.80 06:10:01 all 0.16 0.00 0.03 0.01 0.01 99.80 06:10:01 0 0.54 0.00 0.02 0.00 0.01 99.43 06:10:01 1 0.04 0.00 0.04 0.00 0.02 99.90 06:10:01 2 0.02 0.00 0.02 0.03 0.01 99.93 06:10:01 3 0.04 0.00 0.02 0.00 0.01 99.94 06:20:02 all 0.25 0.00 0.02 0.01 0.01 99.71 06:20:02 0 0.01 0.00 0.02 0.00 0.01 99.96 06:20:02 1 0.04 0.00 0.04 0.01 0.02 99.91 06:20:02 2 0.01 0.00 0.02 0.02 0.01 99.94 06:20:02 3 0.94 0.00 0.02 0.00 0.01 99.03 06:30:02 all 7.12 0.00 0.52 0.25 0.03 92.08 06:30:02 0 6.33 0.00 0.42 0.40 0.02 92.83 06:30:02 1 10.09 0.00 0.90 0.46 0.04 88.52 06:30:02 2 6.82 0.00 0.33 0.07 0.02 92.76 06:30:02 3 5.25 0.00 0.45 0.06 0.02 94.21 06:40:01 all 65.96 0.00 2.23 0.05 0.11 31.64 06:40:01 0 65.51 0.00 2.04 0.03 0.11 32.31 06:40:01 1 66.92 0.00 2.29 0.10 0.11 30.58 06:40:01 2 65.83 0.00 2.33 0.03 0.12 31.70 06:40:01 3 65.58 0.00 2.29 0.04 0.11 31.98 06:50:02 all 58.87 0.00 2.40 1.03 0.11 37.59 06:50:02 0 55.54 0.00 2.53 3.97 0.11 37.84 06:50:02 1 57.75 0.00 2.10 0.04 0.11 39.99 06:50:02 2 61.27 0.00 2.56 0.08 0.12 35.97 06:50:02 3 60.90 0.00 2.39 0.04 0.12 36.56 Average: all 22.03 0.00 0.87 0.23 0.05 76.82 Average: 0 21.32 0.00 0.84 0.73 0.04 77.06 Average: 1 22.44 0.00 0.90 0.10 0.05 76.51 Average: 2 22.28 0.00 0.88 0.04 0.05 76.76 Average: 3 22.09 0.00 0.86 0.03 0.05 76.98