---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12721 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 710 11021 3 4257 14936 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:b9:98:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79611sec preferred_lft 79611sec inet6 fe80::f816:3eff:feb9:98ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:35:48:88:52:75 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 ---> sar -b -r -n DEV: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-12721) 12/11/25 _x86_64_ (4 CPU) 16:31:11 LINUX RESTART (4 CPU) 16:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:02 76.12 22.82 50.25 3.06 325.75 5455.98 4246.67 17:00:02 17.88 4.38 12.78 0.72 93.57 375.02 439.38 17:10:02 8.13 0.50 7.22 0.40 25.05 272.71 246.05 17:20:02 14.93 0.04 14.27 0.62 1.12 669.34 467.92 17:30:02 15.27 0.03 14.48 0.75 1.45 498.31 398.04 17:40:02 5.06 0.02 4.86 0.17 0.77 138.80 52.63 17:50:01 4.93 0.02 4.73 0.18 1.46 149.64 107.97 18:00:01 5.47 0.01 5.27 0.19 1.08 154.49 309.84 18:10:00 24.08 0.08 8.33 15.68 1.31 551.08 210076.85 18:20:00 7.95 0.02 7.58 0.35 1.33 294.88 141.64 Average: 17.98 2.79 12.98 2.21 45.30 856.07 21635.34 16:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:02 1332668 4944956 10984948 67.09 263504 3317584 13094356 75.16 2114928 12324856 1092 17:00:02 3109524 6171636 9762612 59.63 263744 2810060 11044424 63.39 2164080 10552672 740 17:10:02 6622280 9715020 6221824 38.00 264960 2839476 6958304 39.94 2174324 7025980 240 17:20:02 11681880 14906180 1033576 6.31 269756 2966156 1755372 10.08 2211188 1967960 11476 17:30:02 8118792 11409268 4528492 27.66 272176 3029912 5212384 29.92 2216660 5496284 492 17:40:02 8028060 11336348 4601376 28.10 272616 3047280 5310980 30.48 2217712 5600080 340 17:50:01 6586576 9916212 6020736 36.77 273256 3068004 6679344 38.34 2220160 7033236 532 18:00:01 6589652 9940396 5996652 36.63 273816 3088536 6698448 38.45 2223544 7027532 76 18:10:00 8054544 11534200 4403820 26.90 279688 3210700 5150728 29.57 2238108 5545584 2952 18:20:00 7127304 10655260 5282628 32.26 280684 3257932 6002560 34.45 2257596 6430788 276 Average: 6725128 10052948 5883666 35.94 271420 3063564 6790690 38.98 2203830 6900497 1822 16:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:02 lo 26.28 26.28 17.65 17.65 0.00 0.00 0.00 0.00 16:50:02 ens3 2.38 2.10 0.72 0.60 0.00 0.00 0.00 0.00 16:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:02 lo 44.78 44.78 19.46 19.46 0.00 0.00 0.00 0.00 17:00:02 ens3 1.53 1.27 0.37 0.29 0.00 0.00 0.00 0.00 17:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:02 lo 14.78 14.78 7.74 7.74 0.00 0.00 0.00 0.00 17:10:02 ens3 0.75 0.61 0.17 1.13 0.00 0.00 0.00 0.00 17:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:02 lo 8.89 8.89 4.38 4.38 0.00 0.00 0.00 0.00 17:20:02 ens3 0.95 0.93 0.29 0.23 0.00 0.00 0.00 0.00 17:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:02 lo 19.44 19.44 10.05 10.05 0.00 0.00 0.00 0.00 17:30:02 ens3 0.83 0.70 0.19 0.15 0.00 0.00 0.00 0.00 17:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:02 lo 20.40 20.40 8.65 8.65 0.00 0.00 0.00 0.00 17:40:02 ens3 0.97 0.62 0.30 0.22 0.00 0.00 0.00 0.00 17:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 27.06 27.06 11.38 11.38 0.00 0.00 0.00 0.00 17:50:01 ens3 0.59 0.44 0.12 0.09 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 12.23 12.23 7.20 7.20 0.00 0.00 0.00 0.00 18:00:01 ens3 0.66 0.46 0.18 0.13 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:00 lo 17.07 17.07 10.19 10.19 0.00 0.00 0.00 0.00 18:10:00 ens3 0.88 0.72 0.28 0.22 0.00 0.00 0.00 0.00 18:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:00 lo 22.41 22.41 9.81 9.81 0.00 0.00 0.00 0.00 18:20:00 ens3 0.89 0.72 0.21 0.17 0.00 0.00 0.00 0.00 18:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.33 21.33 10.65 10.65 0.00 0.00 0.00 0.00 Average: ens3 1.04 0.86 0.28 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-12721) 12/11/25 _x86_64_ (4 CPU) 16:31:11 LINUX RESTART (4 CPU) 16:40:02 CPU %user %nice %system %iowait %steal %idle 16:50:02 all 58.15 0.00 2.21 0.19 0.13 39.31 16:50:02 0 58.21 0.00 1.99 0.25 0.13 39.42 16:50:02 1 56.84 0.00 2.46 0.22 0.14 40.34 16:50:02 2 58.99 0.00 2.09 0.15 0.13 38.64 16:50:02 3 58.58 0.00 2.28 0.15 0.14 38.85 17:00:02 all 30.26 0.00 1.35 0.06 0.12 68.20 17:00:02 0 30.70 0.00 1.33 0.14 0.12 67.71 17:00:02 1 30.34 0.00 1.48 0.04 0.13 68.02 17:00:02 2 29.64 0.00 1.28 0.04 0.12 68.91 17:00:02 3 30.35 0.00 1.33 0.03 0.13 68.16 17:10:02 all 16.63 0.00 0.87 0.04 0.11 82.35 17:10:02 0 16.35 0.00 0.75 0.05 0.11 82.73 17:10:02 1 16.80 0.00 1.00 0.03 0.11 82.06 17:10:02 2 16.28 0.00 0.90 0.04 0.11 82.67 17:10:02 3 17.09 0.00 0.81 0.03 0.11 81.96 17:20:02 all 18.71 0.00 0.82 0.06 0.11 80.30 17:20:02 0 18.68 0.00 0.83 0.02 0.11 80.35 17:20:02 1 19.28 0.00 0.83 0.04 0.11 79.75 17:20:02 2 18.87 0.00 0.84 0.14 0.11 80.04 17:20:02 3 18.01 0.00 0.77 0.04 0.11 81.07 17:30:02 all 26.38 0.00 0.86 0.06 0.12 72.58 17:30:02 0 25.83 0.00 0.86 0.03 0.11 73.18 17:30:02 1 26.80 0.00 0.92 0.11 0.12 72.07 17:30:02 2 26.83 0.00 0.80 0.09 0.12 72.17 17:30:02 3 26.08 0.00 0.87 0.04 0.12 72.89 17:40:02 all 7.93 0.00 0.37 0.02 0.11 91.57 17:40:02 0 7.40 0.00 0.40 0.02 0.10 92.07 17:40:02 1 8.25 0.00 0.44 0.05 0.11 91.14 17:40:02 2 8.07 0.00 0.34 0.01 0.11 91.47 17:40:02 3 7.99 0.00 0.30 0.01 0.11 91.60 17:50:01 all 9.81 0.00 0.42 0.02 0.11 89.63 17:50:01 0 9.73 0.00 0.36 0.01 0.10 89.80 17:50:01 1 10.22 0.00 0.45 0.01 0.11 89.21 17:50:01 2 9.70 0.00 0.44 0.02 0.12 89.73 17:50:01 3 9.62 0.00 0.44 0.05 0.11 89.78 18:00:01 all 9.37 0.00 0.53 0.02 0.11 89.97 18:00:01 0 8.74 0.00 0.54 0.02 0.11 90.59 18:00:01 1 9.48 0.00 0.54 0.02 0.11 89.85 18:00:01 2 9.73 0.00 0.50 0.01 0.11 89.65 18:00:01 3 9.53 0.00 0.52 0.04 0.11 89.79 18:10:00 all 14.36 0.00 0.72 0.07 0.12 84.74 18:10:00 0 13.87 0.00 0.73 0.01 0.12 85.27 18:10:00 1 14.29 0.00 0.77 0.09 0.11 84.74 18:10:00 2 15.23 0.00 0.77 0.09 0.12 83.79 18:10:00 3 14.04 0.00 0.60 0.08 0.12 85.16 18:20:00 all 15.59 0.00 0.75 0.04 0.11 83.52 18:20:00 0 15.86 0.00 0.74 0.01 0.11 83.28 18:20:00 1 15.17 0.00 0.74 0.09 0.12 83.89 18:20:00 2 15.85 0.00 0.72 0.02 0.11 83.29 18:20:00 3 15.47 0.00 0.79 0.03 0.11 83.60 Average: all 20.72 0.00 0.89 0.06 0.12 78.22 Average: 0 20.54 0.00 0.85 0.06 0.11 78.44 Average: 1 20.74 0.00 0.96 0.07 0.12 78.11 Average: 2 20.92 0.00 0.87 0.06 0.12 78.04 Average: 3 20.67 0.00 0.87 0.05 0.12 78.29