---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-35188 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: 5599.86 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 700 11795 3 3493 14946 Swap: 1023 4 1019 ---> 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:a6:2b:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80023sec preferred_lft 80023sec inet6 fe80::f816:3eff:fea6:2b30/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:53:49:5c:78:f7 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::8853:49ff:fe5c:78f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-35188) 03/25/26 _x86_64_ (4 CPU) 07:54:17 LINUX RESTART (4 CPU) 08:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:07 78.12 23.02 52.04 3.06 309.96 6589.86 4581.38 08:20:05 22.43 6.99 14.64 0.81 132.18 394.59 797.00 08:30:20 7.96 0.14 7.40 0.42 7.75 285.54 1542.33 08:40:09 10.24 0.09 9.68 0.47 6.88 527.63 1119.62 08:50:09 35.64 0.07 19.39 16.18 2.99 613.34 212378.29 09:00:10 6.32 0.00 6.02 0.29 0.36 196.59 103.95 09:10:10 4.78 0.01 4.59 0.19 0.71 138.21 230.39 09:20:10 6.63 0.01 6.37 0.24 1.44 175.97 760.96 09:30:20 4.29 0.00 4.16 0.13 0.00 134.60 15.29 09:40:00 15.30 1.82 12.64 0.85 76.24 754.72 817.28 Average: 19.14 3.21 13.67 2.26 53.64 979.97 22231.03 08:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:07 1761132 5121640 10809348 66.02 268540 3070128 11867052 68.12 2077096 11934572 652 08:20:05 4283660 6962388 8974660 54.81 269164 2448988 9780540 56.14 2027308 9540284 780 08:30:20 7486336 10186960 5753644 35.14 270312 2469552 7101624 40.76 2039548 6347928 116 08:40:09 9537548 12334484 3606740 22.03 274628 2561520 4402504 25.27 2049136 4288612 420 08:50:09 11754240 14652396 1290408 7.88 277436 2659976 2069332 11.88 2079480 2053164 12956 09:00:10 8346276 11261104 4679504 28.58 278168 2675932 5430088 31.17 2080916 5446800 124 09:10:10 8380028 11314292 4626316 28.26 278732 2694848 5313480 30.50 2082192 5412604 64 09:20:10 11085912 14059460 1882924 11.50 279404 2733448 2948844 16.93 2086712 2712796 19928 09:30:20 6747940 9724016 6215796 37.96 280064 2735316 6977436 40.05 2087456 7016804 88 09:40:00 12181884 15357456 585492 3.58 287012 2924332 1250024 7.18 2142556 1545588 29216 Average: 8156496 11097420 4842483 29.58 276346 2697404 5714092 32.80 2075240 5629915 6434 08:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:07 lo 23.82 23.82 18.37 18.37 0.00 0.00 0.00 0.00 08:10:07 ens3 2.27 1.91 0.67 0.56 0.00 0.00 0.00 0.00 08:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:05 lo 39.62 39.62 16.49 16.49 0.00 0.00 0.00 0.00 08:20:05 ens3 1.59 1.21 0.30 1.15 0.00 0.00 0.00 0.00 08:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:20 lo 14.62 14.62 6.89 6.89 0.00 0.00 0.00 0.00 08:30:20 ens3 0.78 0.49 0.18 0.13 0.00 0.00 0.00 0.00 08:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:09 lo 11.69 11.69 6.33 6.33 0.00 0.00 0.00 0.00 08:40:09 ens3 0.79 0.59 0.23 0.18 0.00 0.00 0.00 0.00 08:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:09 lo 12.99 12.99 7.21 7.21 0.00 0.00 0.00 0.00 08:50:09 ens3 1.33 0.88 0.29 0.21 0.00 0.00 0.00 0.00 08:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:10 lo 19.64 19.64 9.46 9.46 0.00 0.00 0.00 0.00 09:00:10 ens3 1.19 0.69 0.32 0.23 0.00 0.00 0.00 0.00 09:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:10 lo 26.66 26.66 9.11 9.11 0.00 0.00 0.00 0.00 09:10:10 ens3 0.72 0.36 0.17 0.11 0.00 0.00 0.00 0.00 09:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:10 lo 16.97 16.97 8.61 8.61 0.00 0.00 0.00 0.00 09:20:10 ens3 1.73 0.75 0.46 0.29 0.00 0.00 0.00 0.00 09:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:20 lo 17.42 17.42 10.31 10.31 0.00 0.00 0.00 0.00 09:30:20 ens3 1.33 0.59 0.30 0.18 0.00 0.00 0.00 0.00 09:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 12.99 12.99 7.97 7.97 0.00 0.00 0.00 0.00 09:40:00 ens3 3.24 1.88 1.59 0.90 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.66 19.66 10.08 10.08 0.00 0.00 0.00 0.00 Average: ens3 1.49 0.93 0.45 0.39 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-35188) 03/25/26 _x86_64_ (4 CPU) 07:54:17 LINUX RESTART (4 CPU) 08:00:07 CPU %user %nice %system %iowait %steal %idle 08:10:07 all 53.54 0.00 1.92 0.19 0.09 44.26 08:10:07 0 54.36 0.00 1.85 0.12 0.10 43.57 08:10:07 1 53.13 0.00 2.00 0.25 0.09 44.54 08:10:07 2 53.97 0.00 1.85 0.11 0.09 43.98 08:10:07 3 52.69 0.00 1.98 0.27 0.10 44.95 08:20:05 all 29.69 0.00 1.12 0.07 0.11 69.00 08:20:05 0 29.35 0.00 1.10 0.04 0.11 69.39 08:20:05 1 29.56 0.00 1.15 0.12 0.11 69.05 08:20:05 2 29.89 0.00 1.18 0.06 0.11 68.77 08:20:05 3 29.98 0.00 1.07 0.06 0.11 68.78 08:30:20 all 14.53 0.00 0.56 0.02 0.09 84.79 08:30:20 0 14.96 0.00 0.50 0.01 0.09 84.44 08:30:20 1 14.28 0.00 0.60 0.05 0.10 84.97 08:30:20 2 14.19 0.00 0.63 0.03 0.10 85.05 08:30:20 3 14.69 0.00 0.51 0.01 0.08 84.71 08:40:09 all 14.81 0.00 0.61 0.04 0.09 84.45 08:40:09 0 14.82 0.00 0.46 0.02 0.09 84.61 08:40:09 1 15.71 0.00 0.68 0.04 0.10 83.46 08:40:09 2 14.81 0.00 0.66 0.02 0.09 84.42 08:40:09 3 13.90 0.00 0.63 0.06 0.09 85.31 08:50:09 all 29.33 0.00 0.97 0.07 0.09 69.55 08:50:09 0 29.70 0.00 0.92 0.03 0.09 69.26 08:50:09 1 28.37 0.00 1.00 0.04 0.09 70.49 08:50:09 2 29.90 0.00 0.99 0.08 0.10 68.93 08:50:09 3 29.33 0.00 0.96 0.13 0.08 69.50 09:00:10 all 11.89 0.00 0.47 0.02 0.09 87.53 09:00:10 0 12.06 0.00 0.44 0.02 0.08 87.39 09:00:10 1 12.02 0.00 0.49 0.01 0.09 87.39 09:00:10 2 11.98 0.00 0.44 0.03 0.10 87.46 09:00:10 3 11.51 0.00 0.49 0.03 0.09 87.88 09:10:10 all 7.92 0.00 0.31 0.02 0.09 91.66 09:10:10 0 7.46 0.00 0.35 0.01 0.08 92.09 09:10:10 1 8.10 0.00 0.31 0.01 0.09 91.49 09:10:10 2 8.31 0.00 0.29 0.03 0.09 91.29 09:10:10 3 7.83 0.00 0.29 0.02 0.09 91.77 09:20:10 all 11.55 0.00 0.44 0.03 0.09 87.89 09:20:10 0 11.19 0.00 0.45 0.05 0.09 88.21 09:20:10 1 11.32 0.00 0.47 0.04 0.09 88.08 09:20:10 2 11.79 0.00 0.37 0.00 0.09 87.75 09:20:10 3 11.91 0.00 0.48 0.02 0.08 87.51 09:30:20 all 7.38 0.00 0.40 0.02 0.10 92.11 09:30:20 0 7.86 0.00 0.37 0.01 0.10 91.66 09:30:20 1 7.01 0.00 0.42 0.01 0.11 92.45 09:30:20 2 7.30 0.00 0.43 0.05 0.10 92.13 09:30:20 3 7.34 0.00 0.36 0.00 0.09 92.20 09:40:00 all 19.34 0.00 0.81 0.07 0.09 79.68 09:40:00 0 17.81 0.00 0.86 0.06 0.09 81.18 09:40:00 1 20.73 0.00 0.96 0.06 0.09 78.16 09:40:00 2 20.24 0.00 0.74 0.13 0.09 78.80 09:40:00 3 18.58 0.00 0.70 0.01 0.10 80.60 Average: all 19.97 0.00 0.76 0.05 0.09 79.12 Average: 0 19.94 0.00 0.73 0.04 0.09 79.20 Average: 1 19.99 0.00 0.81 0.06 0.10 79.04 Average: 2 20.20 0.00 0.76 0.06 0.10 78.89 Average: 3 19.75 0.00 0.75 0.06 0.09 79.35