---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53541 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 702 10515 4 4771 14944 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:8a:9a:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81491sec preferred_lft 81491sec inet6 fe80::f816:3eff:fe8a:9af9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:d3:37:c8:8c:59 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53541) 03/27/26 _x86_64_ (4 CPU) 13:49:18 LINUX RESTART (4 CPU) 13:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:01 1.89 0.05 1.84 0.01 1.94 55.41 219.02 14:10:06 1.29 0.00 1.29 0.00 0.04 15.26 0.00 14:20:29 1.23 0.00 1.23 0.00 0.01 14.48 0.00 14:30:01 1.27 0.00 1.27 0.00 0.00 14.83 0.00 14:40:29 23.00 2.11 20.34 0.56 126.58 2178.54 1032.12 14:50:26 24.75 1.93 9.23 13.58 125.96 1942.30 243164.22 15:00:01 11.11 0.50 9.61 1.00 18.13 2352.41 698.68 15:10:02 28.14 0.71 23.56 3.87 23.50 3530.74 1917.92 Average: 11.66 0.67 8.62 2.37 37.62 1264.13 30723.26 13:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:01 13804080 15544004 475280 2.90 54148 1912820 1128236 6.48 192956 2140816 176 14:10:06 13797804 15538328 480936 2.94 54600 1912956 1128300 6.48 193400 2147600 168 14:20:29 13792068 15532996 486244 2.97 54988 1912960 1128880 6.48 193780 2158892 16 14:30:01 13790584 15531920 487168 2.98 55380 1912976 1137072 6.53 194156 2159460 212 14:40:29 13164340 15530524 449292 2.74 96892 2462964 987292 5.67 331644 2577400 664 14:50:26 11006676 13988040 1974156 12.06 122740 3012816 2314156 13.28 506008 4505376 25992 15:00:01 9899136 13541328 2415076 14.75 154724 3577208 2600624 14.93 675524 5382552 23052 15:10:02 10822732 15348908 602208 3.68 174552 4384744 1062272 6.10 916364 4108984 3304 Average: 12509678 15069506 921295 5.63 96003 2636180 1435854 8.24 400479 3147635 6698 13:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:00:01 ens3 0.50 0.19 0.15 0.08 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:10:06 ens3 0.72 0.23 0.25 0.15 0.00 0.00 0.00 0.00 14:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:29 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:20:29 ens3 5.45 4.24 3.36 3.01 0.00 0.00 0.00 0.00 14:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:30:01 ens3 0.66 0.21 0.19 0.11 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:29 lo 0.28 0.28 0.04 0.04 0.00 0.00 0.00 0.00 14:40:29 ens3 40.16 30.30 295.47 10.21 0.00 0.00 0.00 0.00 14:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:26 lo 0.57 0.57 0.05 0.05 0.00 0.00 0.00 0.00 14:50:26 ens3 76.85 62.72 627.66 12.42 0.00 0.00 0.00 0.00 14:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 15:00:01 ens3 62.01 49.42 144.47 16.37 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:02 lo 1561.60 1561.60 1478.01 1478.01 0.00 0.00 0.00 0.00 15:10:02 ens3 114.73 104.27 416.77 197.71 0.00 0.00 0.00 0.00 15:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 195.96 195.96 185.20 185.20 0.00 0.00 0.00 0.00 Average: ens3 37.57 31.39 186.83 30.05 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53541) 03/27/26 _x86_64_ (4 CPU) 13:49:18 LINUX RESTART (4 CPU) 13:50:07 CPU %user %nice %system %iowait %steal %idle 14:00:01 all 0.09 0.00 0.03 0.02 0.01 99.84 14:00:01 0 0.03 0.00 0.03 0.01 0.02 99.91 14:00:01 1 0.02 0.00 0.01 0.07 0.01 99.90 14:00:01 2 0.28 0.00 0.04 0.00 0.02 99.66 14:00:01 3 0.04 0.00 0.02 0.02 0.01 99.90 14:10:06 all 0.07 0.00 0.02 0.04 0.01 99.85 14:10:06 0 0.02 0.00 0.01 0.01 0.01 99.94 14:10:06 1 0.01 0.00 0.01 0.02 0.01 99.94 14:10:06 2 0.23 0.00 0.03 0.13 0.02 99.59 14:10:06 3 0.03 0.00 0.02 0.00 0.01 99.94 14:20:29 all 0.24 0.00 0.03 0.25 0.01 99.47 14:20:29 0 0.02 0.00 0.03 0.94 0.01 99.01 14:20:29 1 0.04 0.00 0.01 0.00 0.00 99.94 14:20:29 2 0.74 0.00 0.05 0.01 0.02 99.18 14:20:29 3 0.16 0.00 0.03 0.07 0.01 99.73 14:30:01 all 0.09 0.00 0.02 0.27 0.01 99.61 14:30:01 0 0.02 0.00 0.02 0.93 0.01 99.02 14:30:01 1 0.02 0.00 0.02 0.02 0.01 99.93 14:30:01 2 0.28 0.00 0.03 0.00 0.02 99.68 14:30:01 3 0.03 0.00 0.03 0.13 0.01 99.80 14:40:29 all 2.65 0.00 0.32 0.72 0.02 96.29 14:40:29 0 3.77 0.00 0.43 0.74 0.02 95.04 14:40:29 1 2.53 0.00 0.29 0.36 0.01 96.80 14:40:29 2 1.69 0.00 0.26 1.02 0.02 97.01 14:40:29 3 2.61 0.00 0.29 0.77 0.02 96.31 14:50:26 all 30.21 0.00 1.06 0.15 0.08 68.50 14:50:26 0 29.33 0.00 1.00 0.24 0.08 69.34 14:50:26 1 30.55 0.00 1.04 0.18 0.08 68.15 14:50:26 2 29.82 0.00 0.91 0.14 0.08 69.05 14:50:26 3 31.13 0.00 1.30 0.05 0.08 67.45 15:00:01 all 73.83 0.00 2.23 0.07 0.15 23.72 15:00:01 0 71.88 0.00 2.34 0.11 0.15 25.52 15:00:01 1 74.61 0.00 2.10 0.03 0.15 23.11 15:00:01 2 74.44 0.00 2.52 0.07 0.16 22.80 15:00:01 3 74.40 0.00 1.96 0.05 0.15 23.44 15:10:02 all 40.57 0.00 1.99 0.10 0.09 57.25 15:10:02 0 40.76 0.00 1.82 0.21 0.09 57.13 15:10:02 1 37.58 0.00 2.10 0.06 0.09 60.16 15:10:02 2 40.40 0.00 1.98 0.07 0.09 57.46 15:10:02 3 43.53 0.00 2.07 0.08 0.10 54.23 Average: all 18.08 0.00 0.70 0.21 0.05 80.96 Average: 0 17.86 0.00 0.70 0.40 0.05 80.99 Average: 1 17.78 0.00 0.69 0.10 0.05 81.40 Average: 2 18.10 0.00 0.72 0.19 0.05 80.95 Average: 3 18.60 0.00 0.70 0.15 0.05 80.50