---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1286 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 702 9547 4 5739 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:e4:0c:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80377sec preferred_lft 80377sec inet6 fe80::f816:3eff:fee4:cb7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:2d:2f:c5:e1:e9 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::382d:2fff:fec5:e1e9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1286) 04/08/26 _x86_64_ (4 CPU) 16:21:09 LINUX RESTART (4 CPU) 16:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:19 69.75 22.70 44.45 2.60 312.65 5188.74 3607.57 16:50:00 22.89 0.11 21.65 1.14 4.45 787.72 729.94 17:00:00 18.94 0.02 18.07 0.84 1.09 551.80 409.45 17:10:00 4.97 0.00 4.82 0.15 0.27 176.56 74.93 17:20:01 22.41 0.04 6.56 15.81 1.88 220.91 210241.22 17:30:29 5.70 0.00 5.53 0.16 0.31 153.66 36.86 17:40:29 4.52 0.00 4.37 0.16 0.13 140.21 38.09 17:50:00 9.87 0.04 9.43 0.41 4.06 584.21 308.86 18:00:29 4.99 0.02 4.79 0.19 0.57 158.38 51.36 Average: 18.28 2.61 13.30 2.38 36.93 892.35 23883.59 16:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:19 1040132 5727640 10199208 62.29 273736 4309528 10994044 63.11 2421820 12240100 564 16:50:00 5822280 10624524 5304992 32.40 279416 4412948 6152820 35.32 2480484 7408376 7380 17:00:00 4768768 9640504 6288784 38.41 282136 4479472 7552660 43.35 2497716 8439456 10988 17:10:00 6354484 11245128 4685976 28.62 282760 4497772 5475388 31.43 2499724 6853992 84 17:20:01 5180152 10108368 5822104 35.56 283968 4534056 6657716 38.22 2507892 8003508 400 17:30:29 4986968 9935864 5994368 36.61 284584 4554120 6799244 39.03 2511300 8213528 92 17:40:29 6426336 11396096 4534980 27.70 285156 4574356 5368332 30.81 2513252 6775508 132 17:50:00 6292060 11390592 4540168 27.73 289152 4692924 5240296 30.08 2527588 6880208 72 18:00:29 5278592 10403012 5527176 33.76 289728 4718172 6133804 35.21 2538492 7873848 580 Average: 5127752 10052414 5877528 35.90 283404 4530372 6708256 38.51 2499808 8076503 2255 16:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:19 lo 23.06 23.06 18.02 18.02 0.00 0.00 0.00 0.00 16:40:19 ens3 1.75 1.77 0.57 0.49 0.00 0.00 0.00 0.00 16:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:00 lo 39.81 39.81 16.86 16.86 0.00 0.00 0.00 0.00 16:50:00 ens3 1.72 1.69 0.43 0.37 0.00 0.00 0.00 0.00 16:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:00 lo 27.75 27.75 11.85 11.85 0.00 0.00 0.00 0.00 17:00:00 ens3 0.95 0.87 0.22 0.18 0.00 0.00 0.00 0.00 17:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:00 lo 19.75 19.75 9.37 9.37 0.00 0.00 0.00 0.00 17:10:00 ens3 1.02 1.28 0.17 1.14 0.00 0.00 0.00 0.00 17:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 28.88 28.88 11.41 11.41 0.00 0.00 0.00 0.00 17:20:01 ens3 0.51 0.50 0.11 0.09 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:29 lo 20.56 20.56 10.35 10.35 0.00 0.00 0.00 0.00 17:30:29 ens3 0.65 0.65 0.14 0.12 0.00 0.00 0.00 0.00 17:30:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:29 lo 15.05 15.05 8.42 8.42 0.00 0.00 0.00 0.00 17:40:29 ens3 0.71 0.57 0.19 0.15 0.00 0.00 0.00 0.00 17:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:00 lo 14.94 14.94 8.03 8.03 0.00 0.00 0.00 0.00 17:50:00 ens3 0.85 0.70 0.25 0.20 0.00 0.00 0.00 0.00 17:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:29 lo 27.89 27.89 10.69 10.69 0.00 0.00 0.00 0.00 18:00:29 ens3 0.58 0.49 0.15 0.11 0.00 0.00 0.00 0.00 18:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 24.18 24.18 11.67 11.67 0.00 0.00 0.00 0.00 Average: ens3 0.97 0.94 0.25 0.32 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-1286) 04/08/26 _x86_64_ (4 CPU) 16:21:09 LINUX RESTART (4 CPU) 16:30:02 CPU %user %nice %system %iowait %steal %idle 16:40:19 all 51.25 0.00 1.85 0.14 0.10 46.66 16:40:19 0 51.36 0.00 1.76 0.23 0.10 46.55 16:40:19 1 51.11 0.00 1.96 0.19 0.10 46.65 16:40:19 2 50.52 0.00 1.83 0.06 0.10 47.49 16:40:19 3 52.00 0.00 1.86 0.10 0.10 45.95 16:50:00 all 40.91 0.00 1.56 0.09 0.10 57.34 16:50:00 0 41.17 0.00 1.48 0.06 0.10 57.19 16:50:00 1 42.09 0.00 1.63 0.15 0.10 56.02 16:50:00 2 40.60 0.00 1.53 0.05 0.10 57.72 16:50:00 3 39.78 0.00 1.60 0.08 0.10 58.45 17:00:00 all 30.53 0.00 1.03 0.16 0.10 68.18 17:00:00 0 30.48 0.00 0.98 0.21 0.10 68.22 17:00:00 1 30.54 0.00 1.03 0.18 0.10 68.15 17:00:00 2 30.42 0.00 1.08 0.05 0.10 68.35 17:00:00 3 30.68 0.00 1.04 0.19 0.10 67.99 17:10:00 all 12.35 0.00 0.63 0.68 0.07 86.27 17:10:00 0 12.11 0.00 0.57 0.46 0.07 86.78 17:10:00 1 13.02 0.00 0.77 0.39 0.07 85.75 17:10:00 2 11.93 0.00 0.56 1.32 0.07 86.11 17:10:00 3 12.34 0.00 0.62 0.52 0.07 86.44 17:20:01 all 16.15 0.00 0.73 0.10 0.07 82.94 17:20:01 0 15.53 0.00 0.65 0.11 0.07 83.64 17:20:01 1 16.71 0.00 0.79 0.07 0.08 82.35 17:20:01 2 15.96 0.00 0.71 0.10 0.08 83.15 17:20:01 3 16.39 0.00 0.79 0.12 0.07 82.63 17:30:29 all 10.75 0.00 0.43 0.17 0.07 88.57 17:30:29 0 10.71 0.00 0.45 0.24 0.07 88.53 17:30:29 1 10.54 0.00 0.46 0.12 0.07 88.81 17:30:29 2 11.03 0.00 0.39 0.07 0.07 88.44 17:30:29 3 10.74 0.00 0.42 0.26 0.08 88.51 17:40:29 all 8.23 0.00 0.42 0.06 0.07 91.23 17:40:29 0 7.67 0.00 0.33 0.01 0.07 91.92 17:40:29 1 8.60 0.00 0.45 0.04 0.08 90.83 17:40:29 2 8.59 0.00 0.46 0.10 0.07 90.78 17:40:29 3 8.04 0.00 0.43 0.08 0.08 91.38 17:50:00 all 14.68 0.00 0.61 0.16 0.08 84.48 17:50:00 0 13.96 0.00 0.50 0.17 0.08 85.29 17:50:00 1 15.58 0.00 0.63 0.08 0.08 83.63 17:50:00 2 14.42 0.00 0.66 0.28 0.08 84.57 17:50:00 3 14.76 0.00 0.64 0.10 0.08 84.43 18:00:29 all 9.78 0.00 0.50 0.11 0.07 89.53 18:00:29 0 10.06 0.00 0.54 0.18 0.07 89.15 18:00:29 1 9.59 0.00 0.50 0.03 0.08 89.80 18:00:29 2 9.80 0.00 0.52 0.05 0.07 89.56 18:00:29 3 9.67 0.00 0.46 0.19 0.07 89.61 Average: all 21.56 0.00 0.86 0.19 0.08 77.32 Average: 0 21.39 0.00 0.81 0.19 0.08 77.53 Average: 1 21.89 0.00 0.91 0.14 0.08 76.98 Average: 2 21.41 0.00 0.86 0.23 0.08 77.42 Average: 3 21.54 0.00 0.87 0.18 0.08 77.33