---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-2982 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 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 713 10652 4 4623 14933 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:bc:f8:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79638sec preferred_lft 79638sec inet6 fe80::f816:3eff:febc:f87c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:f1:d5:0a:fc:d5 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::b4f1:d5ff:fe0a:fcd5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-2982) 04/15/26 _x86_64_ (4 CPU) 10:49:52 LINUX RESTART (4 CPU) 10:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:17 134.25 16.23 113.39 4.63 2078.98 38729.64 9904.27 11:10:17 68.51 23.27 43.23 2.02 323.35 4996.50 2626.85 11:20:09 14.17 0.05 13.36 0.75 1.40 383.59 458.63 11:30:12 25.54 0.11 10.06 15.37 5.71 541.70 210883.24 11:40:12 18.28 0.01 17.48 0.79 0.65 569.34 331.40 11:50:12 7.90 0.00 7.60 0.29 0.36 220.89 285.10 12:00:02 7.17 0.01 6.87 0.29 1.25 181.06 197.55 12:10:05 3.18 0.00 3.09 0.09 0.00 112.44 7.90 12:20:17 4.89 0.00 4.70 0.19 0.30 148.02 53.94 12:30:17 10.70 0.03 10.18 0.49 1.55 582.88 390.35 12:40:17 6.17 0.06 5.83 0.29 2.80 266.25 90.15 Average: 27.60 3.65 21.65 2.30 224.28 4333.72 20533.59 10:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:17 1154852 12576556 3344184 20.42 260004 10900100 5220124 29.96 2089792 12318892 775544 11:10:17 1034752 4467832 11463924 70.02 271284 3134544 12612248 72.39 2241496 12508084 504 11:20:09 3001620 6460036 9472864 57.86 273028 3157964 10539832 60.50 2274104 10508632 848 11:30:12 8830380 12395572 3541612 21.63 277588 3258352 4448772 25.54 2300724 4677684 1212 11:40:12 9233436 12879876 3057668 18.67 280580 3336592 3852320 22.11 2324768 4246812 88 11:50:12 7581372 11256616 4679920 28.58 281528 3364448 5403104 31.01 2326788 5894636 92 12:00:02 9019976 12732512 3204976 19.57 282092 3401036 4392876 25.22 2329436 4460536 18028 12:10:05 6045844 9760560 6175192 37.72 282644 3402660 6912884 39.68 2330024 7417816 232 12:20:17 6157292 9893860 6041796 36.90 283316 3423812 6848196 39.31 2333400 7296500 412 12:30:17 10053272 13937704 2000100 12.22 287456 3561896 2970004 17.05 2348480 3403776 22868 12:40:17 6569952 10483692 5452160 33.30 288460 3590128 6149628 35.30 2361980 6841672 64 Average: 6243886 10622256 5312218 32.44 278907 4048321 6304544 36.19 2296454 7234095 74536 10:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:17 lo 3.13 3.13 2.34 2.34 0.00 0.00 0.00 0.00 11:00:17 ens3 167.46 126.19 2004.90 17.42 0.00 0.00 0.00 0.00 11:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:17 lo 33.60 33.60 21.83 21.83 0.00 0.00 0.00 0.00 11:10:17 ens3 2.00 1.82 0.46 1.07 0.00 0.00 0.00 0.00 11:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:09 lo 41.84 41.84 16.46 16.46 0.00 0.00 0.00 0.00 11:20:09 ens3 1.38 1.38 0.25 0.59 0.00 0.00 0.00 0.00 11:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:12 lo 12.30 12.30 7.19 7.19 0.00 0.00 0.00 0.00 11:30:12 ens3 0.62 0.45 0.17 0.13 0.00 0.00 0.00 0.00 11:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:12 lo 13.04 13.04 7.68 7.68 0.00 0.00 0.00 0.00 11:40:12 ens3 0.99 0.80 0.22 0.17 0.00 0.00 0.00 0.00 11:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:12 lo 19.24 19.24 9.12 9.12 0.00 0.00 0.00 0.00 11:50:12 ens3 0.70 0.59 0.15 0.12 0.00 0.00 0.00 0.00 11:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:02 lo 28.43 28.43 9.95 9.95 0.00 0.00 0.00 0.00 12:00:02 ens3 0.76 0.50 0.21 0.15 0.00 0.00 0.00 0.00 12:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:05 lo 16.66 16.66 8.48 8.48 0.00 0.00 0.00 0.00 12:10:05 ens3 0.57 0.43 0.12 0.09 0.00 0.00 0.00 0.00 12:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:17 lo 17.23 17.23 10.04 10.04 0.00 0.00 0.00 0.00 12:20:17 ens3 1.25 0.52 0.24 0.12 0.00 0.00 0.00 0.00 12:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:17 lo 11.32 11.32 6.76 6.76 0.00 0.00 0.00 0.00 12:30:17 ens3 2.53 0.77 0.54 0.27 0.00 0.00 0.00 0.00 12:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:17 lo 29.54 29.54 12.31 12.31 0.00 0.00 0.00 0.00 12:40:17 ens3 1.41 0.78 0.39 0.24 0.00 0.00 0.00 0.00 12:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.48 20.48 10.17 10.17 0.00 0.00 0.00 0.00 Average: ens3 16.71 12.48 187.03 1.89 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-16g-2982) 04/15/26 _x86_64_ (4 CPU) 10:49:52 LINUX RESTART (4 CPU) 10:50:00 CPU %user %nice %system %iowait %steal %idle 11:00:17 all 43.91 0.00 2.71 0.71 0.09 52.58 11:00:17 0 42.50 0.00 2.80 0.57 0.09 54.04 11:00:17 1 43.99 0.00 2.70 0.45 0.09 52.76 11:00:17 2 41.35 0.00 2.46 1.17 0.09 54.93 11:00:17 3 47.79 0.00 2.87 0.64 0.10 48.60 11:10:17 all 56.58 0.00 2.05 0.16 0.11 41.08 11:10:17 0 56.28 0.00 1.91 0.38 0.11 41.31 11:10:17 1 56.12 0.00 2.31 0.09 0.11 41.36 11:10:17 2 56.85 0.00 2.03 0.10 0.11 40.91 11:10:17 3 57.08 0.00 1.96 0.09 0.12 40.75 11:20:09 all 30.85 0.00 1.32 0.05 0.10 67.68 11:20:09 0 30.35 0.00 1.39 0.03 0.10 68.13 11:20:09 1 30.88 0.00 1.50 0.03 0.10 67.50 11:20:09 2 31.02 0.00 1.20 0.07 0.10 67.60 11:20:09 3 31.14 0.00 1.20 0.07 0.09 67.50 11:30:12 all 16.06 0.00 0.63 0.06 0.08 83.17 11:30:12 0 15.98 0.00 0.61 0.02 0.08 83.31 11:30:12 1 16.03 0.00 0.60 0.08 0.09 83.20 11:30:12 2 16.41 0.00 0.63 0.03 0.08 82.85 11:30:12 3 15.80 0.00 0.69 0.09 0.08 83.33 11:40:12 all 28.30 0.00 0.92 0.05 0.09 70.64 11:40:12 0 27.94 0.00 0.88 0.08 0.08 71.02 11:40:12 1 28.92 0.00 0.96 0.04 0.09 70.00 11:40:12 2 28.45 0.00 0.98 0.06 0.09 70.41 11:40:12 3 27.88 0.00 0.86 0.03 0.08 71.14 11:50:12 all 14.30 0.00 0.61 0.06 0.07 84.97 11:50:12 0 14.92 0.00 0.62 0.05 0.07 84.34 11:50:12 1 13.22 0.00 0.61 0.08 0.07 86.02 11:50:12 2 14.54 0.00 0.61 0.06 0.07 84.72 11:50:12 3 14.52 0.00 0.58 0.04 0.06 84.79 12:00:02 all 13.08 0.00 0.72 0.03 0.06 86.12 12:00:02 0 12.92 0.00 0.64 0.05 0.06 86.34 12:00:02 1 13.74 0.00 0.71 0.01 0.07 85.48 12:00:02 2 13.58 0.00 0.81 0.02 0.06 85.52 12:00:02 3 12.07 0.00 0.72 0.02 0.06 87.13 12:10:05 all 6.63 0.00 0.30 0.02 0.06 92.99 12:10:05 0 6.41 0.00 0.25 0.04 0.06 93.24 12:10:05 1 6.76 0.00 0.33 0.02 0.06 92.82 12:10:05 2 6.25 0.00 0.26 0.00 0.06 93.43 12:10:05 3 7.10 0.00 0.35 0.01 0.06 92.48 12:20:17 all 10.63 0.00 0.59 0.02 0.06 88.69 12:20:17 0 10.94 0.00 0.50 0.01 0.05 88.49 12:20:17 1 10.99 0.00 0.62 0.04 0.07 88.28 12:20:17 2 11.02 0.00 0.74 0.01 0.07 88.16 12:20:17 3 9.56 0.00 0.52 0.02 0.07 89.83 12:30:17 all 16.90 0.00 0.82 0.05 0.07 82.16 12:30:17 0 17.18 0.00 0.83 0.06 0.07 81.87 12:30:17 1 16.91 0.00 0.75 0.03 0.07 82.24 12:30:17 2 16.64 0.00 0.85 0.02 0.07 82.42 12:30:17 3 16.88 0.00 0.86 0.10 0.06 82.10 12:40:17 all 14.70 0.00 0.52 0.03 0.07 84.68 12:40:17 0 14.24 0.00 0.49 0.04 0.06 85.17 12:40:17 1 15.05 0.00 0.54 0.01 0.07 84.33 12:40:17 2 14.59 0.00 0.56 0.01 0.07 84.77 12:40:17 3 14.94 0.00 0.48 0.04 0.07 84.47 Average: CPU %user %nice %system %iowait %steal %idle Average: all 22.92 0.00 1.02 0.11 0.08 75.87 Average: 0 22.71 0.00 1.00 0.12 0.08 76.09 Average: 1 22.98 0.00 1.06 0.08 0.08 75.80 Average: 2 22.80 0.00 1.01 0.14 0.08 75.97 Average: 3 23.18 0.00 1.01 0.11 0.08 75.62