---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-37764 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 17G 62G 22% / 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 729 6736 3 8522 14917 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:fb:c4:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79440sec preferred_lft 79440sec inet6 fe80::f816:3eff:fefb:c4e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:6a:7d:ef:2c:fa 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::6c6a:7dff:feef:2cfa/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-37764) 07/22/26 _x86_64_ (4 CPU) 12:12:22 LINUX RESTART (4 CPU) 12:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:26 27.75 1.84 24.55 1.35 110.30 2816.04 2738.08 12:40:32 4.39 0.00 4.22 0.18 0.01 120.88 461.42 12:50:10 7.13 0.00 6.74 0.38 0.00 245.73 823.50 13:00:09 27.39 0.76 25.31 1.32 9.82 1829.63 1057.57 13:10:09 43.41 0.12 26.85 16.44 5.08 1745.47 214769.78 13:20:09 5.14 0.01 4.96 0.17 0.37 142.84 94.89 13:30:26 7.51 0.00 7.18 0.33 0.00 242.62 199.06 13:40:10 5.05 0.00 4.86 0.19 0.00 164.42 112.80 13:50:00 5.43 0.08 5.09 0.26 2.02 185.96 114.76 14:00:11 7.80 0.00 7.49 0.31 0.00 519.28 124.69 Average: 14.16 0.29 11.78 2.10 13.06 808.78 22050.24 12:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:26 1578940 9938824 5989228 36.58 231804 7961656 7074628 40.61 1958560 12109748 132 12:40:32 2754388 11121928 4806076 29.35 232904 7968000 5533956 31.76 1973812 10925576 204 12:50:10 1419468 9801188 6126280 37.42 234548 7980532 6931568 39.79 1979224 12249728 176 13:00:09 155540 7808044 8117160 49.58 248224 7237936 9017112 51.76 2104320 13387588 440 13:10:09 2025864 9682204 6244208 38.14 259748 7228372 7014508 40.26 2220168 11398024 188 13:20:09 3553524 11228280 4699580 28.70 260488 7246060 5361544 30.78 2222888 9866992 124 13:30:26 2211560 9923356 6004052 36.67 261340 7282144 6754572 38.77 2225800 11206560 800 13:40:10 2118468 9853300 6074028 37.10 262200 7304244 6806728 39.07 2229328 11292024 236 13:50:00 7427576 15291472 638496 3.90 265904 7421888 1360576 7.81 2236960 5978788 97052 14:00:11 3275756 11167472 4760492 29.08 266780 7448088 5365024 30.80 2245928 10122956 180 Average: 2652108 10581607 5345960 32.65 252394 7507892 6122022 35.14 2139699 10853798 9953 12:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:26 lo 12.20 12.20 9.84 9.84 0.00 0.00 0.00 0.00 12:30:26 ens3 0.88 0.79 0.21 0.17 0.00 0.00 0.00 0.00 12:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:32 lo 12.09 12.09 5.50 5.50 0.00 0.00 0.00 0.00 12:40:32 ens3 0.66 0.48 0.17 0.12 0.00 0.00 0.00 0.00 12:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:10 lo 5.16 5.16 3.97 3.97 0.00 0.00 0.00 0.00 12:50:10 ens3 0.39 0.29 0.08 0.05 0.00 0.00 0.00 0.00 12:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:09 lo 14.24 14.24 10.73 10.73 0.00 0.00 0.00 0.00 13:00:09 ens3 1.33 1.09 0.44 0.35 0.00 0.00 0.00 0.00 13:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:09 lo 31.92 31.92 18.15 18.15 0.00 0.00 0.00 0.00 13:10:09 ens3 1.92 2.33 0.42 1.64 0.00 0.00 0.00 0.00 13:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:09 lo 19.79 19.79 9.36 9.36 0.00 0.00 0.00 0.00 13:20:09 ens3 0.96 0.57 0.14 0.11 0.00 0.00 0.00 0.00 13:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:26 lo 28.71 28.71 11.37 11.37 0.00 0.00 0.00 0.00 13:30:26 ens3 0.88 0.57 0.14 0.09 0.00 0.00 0.00 0.00 13:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:10 lo 19.83 19.83 10.42 10.42 0.00 0.00 0.00 0.00 13:40:10 ens3 0.94 0.62 0.18 0.14 0.00 0.00 0.00 0.00 13:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:00 lo 14.81 14.81 8.02 8.02 0.00 0.00 0.00 0.00 13:50:00 ens3 0.93 0.78 0.25 0.18 0.00 0.00 0.00 0.00 13:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:11 lo 15.19 15.19 7.65 7.65 0.00 0.00 0.00 0.00 14:00:11 ens3 0.72 0.57 0.18 0.14 0.00 0.00 0.00 0.00 14:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.45 17.45 9.52 9.52 0.00 0.00 0.00 0.00 Average: ens3 0.96 0.81 0.22 0.30 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-37764) 07/22/26 _x86_64_ (4 CPU) 12:12:22 LINUX RESTART (4 CPU) 12:20:10 CPU %user %nice %system %iowait %steal %idle 12:30:26 all 29.28 0.00 1.09 0.34 0.09 69.21 12:30:26 0 29.11 0.00 1.17 0.24 0.09 69.39 12:30:26 1 28.98 0.00 0.92 0.11 0.09 69.91 12:30:26 2 28.88 0.00 1.15 0.24 0.09 69.65 12:30:26 3 30.15 0.00 1.11 0.77 0.09 67.88 12:40:32 all 9.62 0.00 0.48 0.05 0.05 89.80 12:40:32 0 9.72 0.00 0.47 0.03 0.05 89.72 12:40:32 1 9.82 0.00 0.45 0.01 0.06 89.67 12:40:32 2 9.39 0.00 0.50 0.03 0.05 90.02 12:40:32 3 9.53 0.00 0.50 0.13 0.05 89.78 12:50:10 all 17.18 0.00 0.69 0.03 0.05 82.04 12:50:10 0 16.45 0.00 0.68 0.05 0.05 82.77 12:50:10 1 17.85 0.00 0.67 0.02 0.06 81.39 12:50:10 2 17.30 0.00 0.73 0.03 0.06 81.87 12:50:10 3 17.12 0.00 0.67 0.03 0.05 82.14 13:00:09 all 35.84 0.00 1.26 0.09 0.09 62.71 13:00:09 0 35.07 0.00 1.20 0.14 0.09 63.51 13:00:09 1 35.86 0.00 1.32 0.14 0.09 62.58 13:00:09 2 36.65 0.00 1.30 0.05 0.10 61.90 13:00:09 3 35.77 0.00 1.22 0.06 0.09 62.86 13:10:09 all 46.89 0.00 1.63 1.23 0.13 50.13 13:10:09 0 46.61 0.00 1.62 0.28 0.13 51.37 13:10:09 1 47.19 0.00 1.68 2.84 0.13 48.16 13:10:09 2 46.81 0.00 1.71 0.63 0.13 50.71 13:10:09 3 46.96 0.00 1.49 1.15 0.14 50.26 13:20:09 all 9.42 0.00 0.38 0.30 0.05 89.84 13:20:09 0 9.67 0.00 0.49 0.19 0.05 89.60 13:20:09 1 9.01 0.00 0.37 0.30 0.06 90.26 13:20:09 2 9.46 0.00 0.38 0.43 0.06 89.67 13:20:09 3 9.54 0.00 0.29 0.28 0.05 89.84 13:30:26 all 17.25 0.00 0.67 0.13 0.19 81.76 13:30:26 0 16.99 0.00 0.70 0.22 0.16 81.94 13:30:26 1 17.56 0.00 0.70 0.11 0.14 81.48 13:30:26 2 17.56 0.00 0.66 0.17 0.28 81.32 13:30:26 3 16.90 0.00 0.62 0.01 0.19 82.28 13:40:10 all 11.98 0.00 0.55 0.03 0.06 87.39 13:40:10 0 11.94 0.00 0.53 0.03 0.06 87.45 13:40:10 1 12.35 0.00 0.46 0.00 0.06 87.11 13:40:10 2 12.43 0.00 0.67 0.06 0.06 86.78 13:40:10 3 11.20 0.00 0.52 0.02 0.06 88.21 13:50:00 all 9.17 0.00 0.46 0.08 0.08 90.21 13:50:00 0 9.05 0.00 0.48 0.15 0.08 90.24 13:50:00 1 9.11 0.00 0.54 0.10 0.08 90.17 13:50:00 2 9.28 0.00 0.45 0.05 0.10 90.11 13:50:00 3 9.23 0.00 0.37 0.01 0.06 90.33 14:00:11 all 15.30 0.00 0.58 0.05 0.11 83.95 14:00:11 0 15.56 0.00 0.57 0.02 0.13 83.72 14:00:11 1 14.67 0.00 0.61 0.04 0.14 84.54 14:00:11 2 15.72 0.00 0.56 0.15 0.08 83.49 14:00:11 3 15.27 0.00 0.57 0.01 0.07 84.07 Average: all 20.25 0.00 0.78 0.23 0.09 78.65 Average: 0 20.07 0.00 0.79 0.14 0.09 78.91 Average: 1 20.29 0.00 0.77 0.37 0.09 78.47 Average: 2 20.40 0.00 0.81 0.18 0.10 78.50 Average: 3 20.22 0.00 0.74 0.25 0.08 78.71