---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32388 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: 5600.00 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 18G 60G 23% / 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 663 12708 3 2617 14982 Swap: 1023 51 972 ---> 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:ec:47:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80589sec preferred_lft 80589sec inet6 fe80::f816:3eff:feec:477c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:6d:82:75:8c:96 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 inet6 fe80::e86d:82ff:fe75:8c96/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32388) 07/02/26 _x86_64_ (4 CPU) 12:42:31 LINUX RESTART (4 CPU) 12:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:02 90.73 23.39 49.52 17.82 1091.05 5679.88 213412.03 13:10:02 25.82 2.30 22.30 1.21 65.77 795.67 1722.54 13:20:01 19.59 0.61 18.05 0.93 27.72 529.88 796.30 13:30:02 8.46 0.24 7.90 0.32 11.18 197.36 102.98 13:40:02 8.25 0.85 7.10 0.30 26.79 215.85 291.51 13:50:01 20.13 12.39 7.46 0.28 153.07 190.79 62.45 14:00:02 5.60 0.38 5.05 0.17 15.20 150.25 60.76 14:10:02 10.27 0.69 9.21 0.38 20.15 548.00 172.75 Average: 23.61 5.11 15.83 2.68 176.48 1039.17 27107.92 12:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:02 5803756 7193880 8752020 53.45 182456 1389096 9795128 56.22 824340 9381080 3852 13:10:02 6791520 8305964 7642088 46.67 189380 1501332 8548680 49.07 925544 8291464 420 13:20:01 11342952 12923836 3027892 18.49 193500 1563604 3871916 22.22 959100 3723384 352 13:30:02 9789280 11392044 4558704 27.84 195028 1583940 5425768 31.14 965000 5267816 276 13:40:02 9173996 10805992 5144688 31.42 195980 1612224 6387596 36.66 976048 5872372 492 13:50:01 8313236 10022220 5927680 36.20 200988 1670912 6812136 39.10 1023220 6646880 764 14:00:02 9712472 11442140 4508804 27.54 202068 1690508 5365884 30.80 1030600 5262872 64 14:10:02 9410676 11265536 4685012 28.61 206116 1806140 5338000 30.64 1050412 5520616 292 Average: 8792236 10418952 5530861 33.78 195690 1602220 6443138 36.98 969283 6245810 814 12:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:02 lo 26.63 26.63 21.66 21.66 0.00 0.00 0.00 0.00 13:00:02 ens3 1.99 1.88 0.61 0.53 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:02 lo 45.02 45.02 18.53 18.53 0.00 0.00 0.00 0.00 13:10:02 ens3 1.76 1.89 0.41 0.38 0.00 0.00 0.00 0.00 13:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 23.46 23.46 10.95 10.95 0.00 0.00 0.00 0.00 13:20:01 ens3 1.08 0.87 0.23 0.19 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:02 lo 18.90 18.90 8.85 8.85 0.00 0.00 0.00 0.00 13:30:02 ens3 0.75 0.61 0.15 0.12 0.00 0.00 0.00 0.00 13:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:02 lo 27.99 27.99 9.77 9.77 0.00 0.00 0.00 0.00 13:40:02 ens3 1.22 0.58 0.36 0.24 0.00 0.00 0.00 0.00 13:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 21.81 21.81 12.08 12.08 0.00 0.00 0.00 0.00 13:50:01 ens3 0.79 0.57 0.17 0.13 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:02 lo 16.57 16.57 9.32 9.32 0.00 0.00 0.00 0.00 14:00:02 ens3 0.85 0.57 0.23 0.17 0.00 0.00 0.00 0.00 14:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:02 lo 20.31 20.31 9.90 9.90 0.00 0.00 0.00 0.00 14:10:02 ens3 0.97 0.81 0.25 0.20 0.00 0.00 0.00 0.00 14:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 25.08 25.08 12.63 12.63 0.00 0.00 0.00 0.00 Average: ens3 1.18 0.97 0.30 0.25 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-16g-32388) 07/02/26 _x86_64_ (4 CPU) 12:42:31 LINUX RESTART (4 CPU) 12:50:01 CPU %user %nice %system %iowait %steal %idle 13:00:02 all 59.02 0.00 2.34 0.23 0.12 38.30 13:00:02 0 57.28 0.00 2.43 0.13 0.11 40.05 13:00:02 1 59.60 0.00 2.09 0.19 0.12 38.00 13:00:02 2 59.15 0.00 2.44 0.34 0.11 37.96 13:00:02 3 60.06 0.00 2.39 0.24 0.12 37.19 13:10:02 all 42.87 0.00 1.51 0.32 0.11 55.19 13:10:02 0 42.38 0.00 1.53 0.06 0.11 55.92 13:10:02 1 42.60 0.00 1.65 1.02 0.11 54.62 13:10:02 2 43.72 0.00 1.41 0.14 0.11 54.61 13:10:02 3 42.77 0.00 1.45 0.06 0.11 55.61 13:20:01 all 29.35 0.00 0.96 0.09 0.09 69.51 13:20:01 0 29.77 0.00 0.91 0.03 0.09 69.20 13:20:01 1 28.86 0.00 0.97 0.20 0.09 69.87 13:20:01 2 29.82 0.00 0.95 0.09 0.09 69.04 13:20:01 3 28.94 0.00 1.01 0.04 0.09 69.91 13:30:02 all 13.84 0.00 0.56 0.83 0.14 84.63 13:30:02 0 13.87 0.00 0.49 1.02 0.16 84.47 13:30:02 1 13.58 0.00 0.71 0.02 0.10 85.60 13:30:02 2 14.17 0.00 0.58 0.97 0.16 84.12 13:30:02 3 13.75 0.00 0.46 1.31 0.14 84.33 13:40:02 all 13.57 0.00 0.57 0.04 0.08 85.74 13:40:02 0 13.46 0.00 0.50 0.07 0.08 85.90 13:40:02 1 14.05 0.00 0.67 0.04 0.09 85.15 13:40:02 2 13.09 0.00 0.53 0.01 0.09 86.29 13:40:02 3 13.70 0.00 0.58 0.02 0.07 85.63 13:50:01 all 12.66 0.08 0.49 0.11 0.08 86.57 13:50:01 0 12.36 0.09 0.49 0.09 0.08 86.89 13:50:01 1 12.62 0.06 0.51 0.11 0.09 86.62 13:50:01 2 13.06 0.10 0.44 0.10 0.09 86.22 13:50:01 3 12.61 0.09 0.50 0.15 0.07 86.58 14:00:02 all 8.78 0.00 0.51 0.06 0.07 90.59 14:00:02 0 8.93 0.00 0.45 0.10 0.06 90.46 14:00:02 1 8.86 0.00 0.58 0.08 0.08 90.40 14:00:02 2 8.85 0.00 0.54 0.02 0.08 90.52 14:00:02 3 8.46 0.00 0.49 0.03 0.06 90.96 14:10:02 all 15.61 0.00 0.63 0.04 0.07 83.64 14:10:02 0 15.29 0.00 0.60 0.05 0.07 84.00 14:10:02 1 14.71 0.00 0.63 0.03 0.08 84.55 14:10:02 2 16.94 0.00 0.65 0.03 0.07 82.31 14:10:02 3 15.52 0.00 0.65 0.07 0.07 83.69 Average: all 24.46 0.01 0.95 0.21 0.10 74.28 Average: 0 24.16 0.01 0.92 0.19 0.09 74.62 Average: 1 24.36 0.01 0.98 0.21 0.09 74.35 Average: 2 24.83 0.01 0.94 0.21 0.10 73.90 Average: 3 24.47 0.01 0.94 0.24 0.09 74.24