---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-494328 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 722 11406 4 3861 14924 Swap: 1023 3 1020 ---> 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:af:a6:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79997sec preferred_lft 79997sec inet6 fe80::f816:3eff:feaf:a684/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:a3:33:53:30:09 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::10a3:33ff:fe53:3009/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-494328) 03/16/26 _x86_64_ (4 CPU) 18:07:41 LINUX RESTART (4 CPU) 18:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:08 125.92 8.87 111.57 5.48 836.59 37109.44 11435.26 18:30:08 53.62 22.47 29.68 1.47 283.12 1738.18 2631.57 18:40:08 13.41 3.38 9.51 0.52 77.87 283.16 506.54 18:50:24 34.78 0.12 18.80 15.86 6.56 786.35 207336.03 19:00:08 9.42 0.05 9.03 0.34 1.85 264.61 506.57 19:10:08 5.59 0.00 5.44 0.15 0.24 141.05 88.55 19:20:08 6.25 0.02 6.09 0.14 1.55 158.45 84.37 19:30:08 5.57 0.00 5.38 0.19 0.31 147.92 422.87 19:40:08 8.67 0.03 8.31 0.33 3.60 536.05 358.29 19:50:08 6.81 0.02 6.55 0.24 1.17 264.36 121.75 Average: 27.12 3.50 21.11 2.51 121.65 4160.71 22892.28 18:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:08 162672 8491628 7428152 45.37 263100 7846000 9614752 55.19 2175584 13248412 2300 18:30:08 2337652 5061768 10871192 66.40 268968 2478944 11755392 67.48 1939768 11546964 2456 18:40:08 4276496 7043280 8891792 54.31 270376 2520040 9660148 55.45 1987264 9563868 592 18:50:24 10658436 13568800 2371008 14.48 276472 2657456 3124700 17.94 2034496 3177000 116 19:00:08 8319548 11263056 4675480 28.56 277632 2689432 5396660 30.98 2037420 5502864 48 19:10:08 8374476 11334332 4604168 28.12 278300 2705112 5348464 30.70 2038728 5438028 204 19:20:08 6839868 9817840 6119728 37.38 278776 2722752 6895952 39.58 2040860 6972352 108 19:30:08 6801612 9798172 6139328 37.50 279252 2740868 6848548 39.31 2044088 7008712 144 19:40:08 8426036 11543628 4395084 26.84 283056 2856724 5223048 29.98 2052364 5380796 2208 19:50:08 7566580 10729180 5209244 31.82 283920 2900756 5951596 34.16 2071352 6204328 308 Average: 6376338 9865168 6070518 37.08 275985 3211808 6981926 40.08 2042192 7404332 848 18:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:08 lo 4.07 4.07 4.88 4.88 0.00 0.00 0.00 0.00 18:20:08 ens3 105.67 81.73 1777.88 9.13 0.00 0.00 0.00 0.00 18:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:08 lo 33.63 33.63 18.94 18.94 0.00 0.00 0.00 0.00 18:30:08 ens3 1.77 1.73 0.43 0.37 0.00 0.00 0.00 0.00 18:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:08 lo 37.55 37.55 15.69 15.69 0.00 0.00 0.00 0.00 18:40:08 ens3 1.07 0.85 0.25 0.20 0.00 0.00 0.00 0.00 18:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:24 lo 13.46 13.46 6.39 6.39 0.00 0.00 0.00 0.00 18:50:24 ens3 1.28 1.22 0.28 1.19 0.00 0.00 0.00 0.00 18:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:08 lo 19.88 19.88 10.35 10.35 0.00 0.00 0.00 0.00 19:00:08 ens3 0.81 0.68 0.18 0.14 0.00 0.00 0.00 0.00 19:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:08 lo 24.34 24.34 8.96 8.96 0.00 0.00 0.00 0.00 19:10:08 ens3 0.68 0.56 0.19 0.14 0.00 0.00 0.00 0.00 19:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:08 lo 22.59 22.59 10.47 10.47 0.00 0.00 0.00 0.00 19:20:08 ens3 0.70 0.56 0.17 0.13 0.00 0.00 0.00 0.00 19:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:08 lo 13.42 13.42 8.30 8.30 0.00 0.00 0.00 0.00 19:30:08 ens3 0.64 0.47 0.16 0.11 0.00 0.00 0.00 0.00 19:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:08 lo 11.05 11.05 6.84 6.84 0.00 0.00 0.00 0.00 19:40:08 ens3 0.81 0.57 0.24 0.18 0.00 0.00 0.00 0.00 19:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:08 lo 23.41 23.41 10.17 10.17 0.00 0.00 0.00 0.00 19:50:08 ens3 0.86 0.81 0.19 0.15 0.00 0.00 0.00 0.00 19:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.32 20.32 10.09 10.09 0.00 0.00 0.00 0.00 Average: ens3 11.48 8.96 178.79 1.18 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-494328) 03/16/26 _x86_64_ (4 CPU) 18:07:41 LINUX RESTART (4 CPU) 18:10:05 CPU %user %nice %system %iowait %steal %idle 18:20:08 all 52.32 0.00 2.88 3.27 0.14 41.39 18:20:08 0 50.61 0.00 2.96 2.91 0.14 43.38 18:20:08 1 52.91 0.00 2.73 3.07 0.14 41.15 18:20:08 2 54.18 0.00 2.73 2.96 0.14 40.00 18:20:08 3 51.58 0.00 3.10 4.14 0.14 41.03 18:30:08 all 51.31 0.00 2.09 0.17 0.16 46.26 18:30:08 0 51.50 0.00 2.10 0.11 0.16 46.13 18:30:08 1 51.34 0.00 1.99 0.09 0.16 46.42 18:30:08 2 51.09 0.00 2.17 0.31 0.17 46.25 18:30:08 3 51.33 0.00 2.08 0.18 0.16 46.25 18:40:08 all 25.13 0.00 1.18 0.15 0.13 73.41 18:40:08 0 25.14 0.00 1.11 0.20 0.13 73.43 18:40:08 1 25.51 0.00 1.11 0.16 0.14 73.08 18:40:08 2 25.32 0.00 1.26 0.16 0.14 73.12 18:40:08 3 24.56 0.00 1.25 0.06 0.13 74.00 18:50:24 all 29.27 0.00 1.08 0.48 0.13 69.04 18:50:24 0 30.23 0.00 1.03 0.33 0.11 68.30 18:50:24 1 27.62 0.00 1.26 0.46 0.16 70.51 18:50:24 2 29.24 0.00 1.02 0.63 0.12 68.98 18:50:24 3 29.98 0.00 1.03 0.51 0.12 68.37 19:00:08 all 18.60 0.00 0.65 0.29 0.11 80.35 19:00:08 0 18.55 0.00 0.68 0.03 0.09 80.64 19:00:08 1 18.80 0.00 0.69 0.95 0.11 79.44 19:00:08 2 18.57 0.00 0.56 0.13 0.11 80.63 19:00:08 3 18.47 0.00 0.67 0.08 0.11 80.67 19:10:08 all 8.49 0.00 0.40 0.10 0.10 90.91 19:10:08 0 8.58 0.00 0.26 0.27 0.09 90.79 19:10:08 1 8.30 0.00 0.43 0.09 0.11 91.07 19:10:08 2 8.35 0.00 0.45 0.02 0.09 91.09 19:10:08 3 8.71 0.00 0.46 0.04 0.10 90.69 19:20:08 all 10.20 0.00 0.54 0.05 0.11 89.10 19:20:08 0 10.06 0.00 0.53 0.04 0.10 89.27 19:20:08 1 10.76 0.00 0.54 0.02 0.12 88.57 19:20:08 2 10.19 0.00 0.62 0.04 0.11 89.04 19:20:08 3 9.78 0.00 0.49 0.11 0.11 89.51 19:30:08 all 10.15 0.00 0.44 0.05 0.09 89.27 19:30:08 0 10.08 0.00 0.34 0.06 0.07 89.45 19:30:08 1 10.01 0.00 0.45 0.04 0.10 89.41 19:30:08 2 10.65 0.00 0.51 0.06 0.09 88.69 19:30:08 3 9.85 0.00 0.48 0.03 0.09 89.55 19:40:08 all 13.35 0.00 0.62 0.10 0.09 85.84 19:40:08 0 14.24 0.00 0.64 0.02 0.08 85.02 19:40:08 1 13.62 0.00 0.64 0.26 0.09 85.38 19:40:08 2 12.89 0.00 0.63 0.03 0.10 86.36 19:40:08 3 12.65 0.00 0.58 0.07 0.09 86.61 19:50:08 all 15.56 0.00 0.62 0.15 0.10 83.57 19:50:08 0 15.61 0.00 0.56 0.04 0.10 83.68 19:50:08 1 15.21 0.00 0.66 0.11 0.10 83.91 19:50:08 2 15.54 0.00 0.62 0.12 0.10 83.62 19:50:08 3 15.87 0.00 0.61 0.34 0.10 83.07 Average: all 23.47 0.00 1.05 0.48 0.12 74.88 Average: 0 23.50 0.00 1.02 0.40 0.11 74.97 Average: 1 23.44 0.00 1.05 0.52 0.12 74.86 Average: 2 23.63 0.00 1.06 0.45 0.12 74.75 Average: 3 23.31 0.00 1.08 0.56 0.11 74.94