---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-58154 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: 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 61G 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 10912 3 4363 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:cf:d7:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80157sec preferred_lft 80157sec inet6 fe80::f816:3eff:fecf:d7ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:90:9b:7a:49:0c 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::5490:9bff:fe7a:490c/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-58154) 03/31/26 _x86_64_ (4 CPU) 11:04:35 LINUX RESTART (4 CPU) 11:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:02 84.39 2.36 78.23 3.81 131.74 31058.90 11515.08 11:30:01 53.68 22.39 29.68 1.60 258.14 1787.98 903.19 11:40:06 16.48 0.21 15.48 0.79 11.85 666.60 470.07 11:50:06 31.68 0.11 15.21 16.36 2.59 449.59 212477.01 12:00:01 5.31 0.06 5.00 0.25 2.80 129.08 66.64 12:10:06 5.84 0.01 5.64 0.19 1.36 151.30 112.88 12:20:01 4.69 0.01 4.48 0.20 0.40 136.72 64.17 12:30:01 4.99 0.00 4.82 0.17 0.35 139.67 61.53 12:40:06 8.97 0.05 8.56 0.36 4.18 544.59 254.36 Average: 23.93 2.79 18.50 2.63 45.78 3865.53 25098.92 11:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:02 2610260 6840128 9087920 55.51 252688 3875992 10647440 61.12 1997232 11083588 1144 11:30:01 4376440 7728028 8204936 50.11 263880 3065844 9200064 52.81 2071568 9344864 1012 11:40:06 6223456 9685684 6247708 38.16 269280 3170852 6970492 40.01 2113748 7447192 500 11:50:06 8345020 11869280 4067736 24.84 273864 3228280 5121332 29.40 2127804 5327536 320 12:00:01 7961640 11500380 4436176 27.09 274844 3241784 5227012 30.00 2130400 5705748 328 12:10:06 6355636 9911804 6023928 36.79 275336 3258716 6712972 38.53 2132428 7315008 268 12:20:01 6351592 9925468 6010188 36.71 275856 3275904 6759160 38.80 2135872 7307988 424 12:30:01 7816996 11409672 4526980 27.65 276640 3293920 5287960 30.35 2138320 5857576 336 12:40:06 7619744 11336224 4600100 28.10 281024 3409508 5197012 29.83 2153604 6017884 680 Average: 6406754 10022963 5911741 36.11 271490 3313422 6791494 38.98 2111220 7267487 557 11:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:02 lo 6.91 6.91 7.73 7.73 0.00 0.00 0.00 0.00 11:20:02 ens3 61.09 48.24 933.82 5.23 0.00 0.00 0.00 0.00 11:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 40.18 40.18 21.42 21.42 0.00 0.00 0.00 0.00 11:30:01 ens3 1.95 1.96 0.44 0.39 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:06 lo 35.98 35.98 14.48 14.48 0.00 0.00 0.00 0.00 11:40:06 ens3 1.78 1.36 0.41 0.32 0.00 0.00 0.00 0.00 11:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:06 lo 17.06 17.06 7.89 7.89 0.00 0.00 0.00 0.00 11:50:06 ens3 1.34 1.21 0.25 1.26 0.00 0.00 0.00 0.00 11:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 18.53 18.53 9.26 9.26 0.00 0.00 0.00 0.00 12:00:01 ens3 0.91 0.63 0.23 0.17 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:06 lo 28.33 28.33 11.55 11.55 0.00 0.00 0.00 0.00 12:10:06 ens3 1.13 0.51 0.25 0.16 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 18.41 18.41 10.21 10.21 0.00 0.00 0.00 0.00 12:20:01 ens3 0.87 0.58 0.20 0.15 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 11.58 11.58 6.03 6.03 0.00 0.00 0.00 0.00 12:30:01 ens3 0.72 0.47 0.17 0.13 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:06 lo 23.19 23.19 10.90 10.90 0.00 0.00 0.00 0.00 12:40:06 ens3 1.83 0.92 0.46 0.31 0.00 0.00 0.00 0.00 12:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.28 22.28 11.06 11.06 0.00 0.00 0.00 0.00 Average: ens3 7.90 6.16 103.09 0.90 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-58154) 03/31/26 _x86_64_ (4 CPU) 11:04:35 LINUX RESTART (4 CPU) 11:10:08 CPU %user %nice %system %iowait %steal %idle 11:20:02 all 46.70 0.00 2.21 7.18 0.10 43.81 11:20:02 0 45.30 0.00 2.07 6.62 0.10 45.91 11:20:02 1 45.77 0.00 2.14 7.00 0.10 44.98 11:20:02 2 48.94 0.00 2.12 6.57 0.10 42.27 11:20:02 3 46.79 0.00 2.50 8.51 0.11 42.09 11:30:01 all 58.23 0.00 2.26 1.14 0.31 38.07 11:30:01 0 59.17 0.00 2.20 0.42 0.31 37.90 11:30:01 1 58.35 0.00 2.41 1.37 0.31 37.55 11:30:01 2 57.38 0.00 2.30 2.16 0.31 37.85 11:30:01 3 58.01 0.00 2.11 0.59 0.30 38.98 11:40:06 all 29.11 0.00 1.32 1.15 0.12 68.30 11:40:06 0 29.00 0.00 1.32 2.76 0.13 66.79 11:40:06 1 29.15 0.00 1.18 0.68 0.12 68.87 11:40:06 2 28.70 0.00 1.38 0.40 0.12 69.40 11:40:06 3 29.57 0.00 1.41 0.77 0.12 68.14 11:50:06 all 27.40 0.00 0.97 0.18 0.09 71.36 11:50:06 0 27.68 0.00 1.00 0.04 0.09 71.19 11:50:06 1 27.20 0.00 1.01 0.21 0.09 71.49 11:50:06 2 27.79 0.00 0.91 0.39 0.10 70.81 11:50:06 3 26.91 0.00 0.96 0.09 0.09 71.96 12:00:01 all 10.70 0.00 0.53 0.11 0.08 88.58 12:00:01 0 10.48 0.00 0.50 0.12 0.06 88.84 12:00:01 1 10.72 0.00 0.61 0.04 0.09 88.54 12:00:01 2 10.63 0.00 0.53 0.24 0.08 88.52 12:00:01 3 10.97 0.00 0.48 0.03 0.07 88.45 12:10:06 all 11.20 0.00 0.48 0.99 0.08 87.24 12:10:06 0 11.32 0.00 0.46 0.68 0.08 87.46 12:10:06 1 11.39 0.00 0.53 0.28 0.07 87.73 12:10:06 2 11.08 0.00 0.53 2.34 0.08 85.98 12:10:06 3 11.03 0.00 0.40 0.68 0.09 87.80 12:20:01 all 10.89 0.00 0.54 0.38 0.11 88.08 12:20:01 0 10.75 0.00 0.53 0.55 0.10 88.07 12:20:01 1 11.10 0.00 0.56 0.15 0.11 88.07 12:20:01 2 10.55 0.00 0.64 0.59 0.10 88.11 12:20:01 3 11.17 0.00 0.44 0.21 0.13 88.05 12:30:01 all 7.86 0.00 0.48 0.99 0.64 90.03 12:30:01 0 8.25 0.00 0.47 3.77 0.47 87.04 12:30:01 1 7.92 0.00 0.53 0.07 1.04 90.45 12:30:01 2 7.86 0.00 0.50 0.09 0.51 91.03 12:30:01 3 7.40 0.00 0.41 0.02 0.56 91.62 12:40:06 all 15.41 0.00 0.71 0.10 0.07 83.71 12:40:06 0 15.03 0.00 0.62 0.05 0.07 84.23 12:40:06 1 15.51 0.00 0.66 0.03 0.07 83.72 12:40:06 2 14.87 0.00 0.70 0.19 0.07 84.17 12:40:06 3 16.22 0.00 0.85 0.13 0.09 82.71 Average: all 24.12 0.00 1.05 1.35 0.18 73.30 Average: 0 24.06 0.00 1.02 1.67 0.16 73.10 Average: 1 24.07 0.00 1.07 1.09 0.22 73.55 Average: 2 24.16 0.00 1.07 1.43 0.16 73.18 Average: 3 24.19 0.00 1.06 1.22 0.17 73.36