---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32636 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: 5600.00 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 694 12264 3 3030 14952 Swap: 1023 32 991 ---> 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:8e:5e:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79611sec preferred_lft 79611sec inet6 fe80::f816:3eff:fe8e:5e78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:95:4d:06:c5:18 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::6c95:4dff:fe06:c518/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32636) 07/03/26 _x86_64_ (4 CPU) 12:40:41 LINUX RESTART (4 CPU) 12:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:07 92.61 23.92 50.69 17.99 1063.94 5367.15 214254.15 13:10:07 19.55 5.42 13.47 0.66 87.85 359.63 1359.08 13:20:01 8.62 0.65 7.57 0.40 26.97 285.06 1505.20 13:30:04 20.71 0.37 19.33 1.01 8.27 867.44 1429.59 13:40:04 10.68 0.14 10.06 0.48 3.68 304.97 396.74 13:50:02 5.71 0.14 5.38 0.19 3.28 145.76 152.49 14:00:07 6.57 0.29 6.08 0.19 9.80 157.64 104.70 14:10:05 5.49 0.31 5.01 0.18 9.69 160.42 104.13 14:20:01 10.16 0.45 9.29 0.42 13.15 576.30 130.88 14:30:07 7.81 0.35 7.17 0.29 9.61 291.11 136.79 Average: 18.87 3.23 13.45 2.20 124.62 856.47 22164.59 12:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:07 2956196 4691604 11249488 68.71 257096 1595236 12491824 71.70 1092332 11883140 796 13:10:07 5092240 6852936 9088952 55.51 258840 1618524 9917808 56.93 1135560 9688652 312 13:20:01 7885204 9674964 6268672 38.29 259964 1646460 7005552 40.21 1148072 6909124 312 13:30:04 11612748 13559484 2387968 14.58 266196 1795680 3148620 18.07 1203324 3138168 208 13:40:04 9469448 11457896 4488044 27.41 267344 1836244 5317680 30.52 1207144 5279544 264 13:50:02 9418416 11425144 4520868 27.61 267996 1853880 5299176 30.42 1209480 5327864 464 14:00:07 7989508 10017948 5927220 36.20 268708 1874800 6764780 38.83 1214408 6739504 560 14:10:05 7837852 9889440 6055700 36.99 269272 1897372 6828648 39.20 1220768 6891008 452 14:20:01 9198744 11380684 4565248 27.88 273360 2018216 5376656 30.86 1233232 5505200 352 14:30:07 8476220 10710788 5234716 31.97 274124 2069980 6022352 34.57 1254624 6211936 76 Average: 7993658 9966089 5978688 36.52 266290 1820639 6817310 39.13 1191894 6757414 380 12:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:07 lo 31.28 31.28 22.41 22.41 0.00 0.00 0.00 0.00 13:00:07 ens3 2.22 2.01 0.67 0.57 0.00 0.00 0.00 0.00 13:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:07 lo 47.56 47.56 19.35 19.35 0.00 0.00 0.00 0.00 13:10:07 ens3 2.13 2.25 0.37 1.43 0.00 0.00 0.00 0.00 13:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 10.99 10.99 6.47 6.47 0.00 0.00 0.00 0.00 13:20:01 ens3 0.61 0.40 0.13 0.09 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:04 lo 13.70 13.70 6.79 6.79 0.00 0.00 0.00 0.00 13:30:04 ens3 1.01 0.93 0.25 0.21 0.00 0.00 0.00 0.00 13:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:04 lo 19.01 19.01 9.97 9.97 0.00 0.00 0.00 0.00 13:40:04 ens3 0.84 0.72 0.19 0.15 0.00 0.00 0.00 0.00 13:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 16.79 16.79 6.47 6.47 0.00 0.00 0.00 0.00 13:50:02 ens3 0.55 0.37 0.11 0.08 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:07 lo 19.95 19.95 8.48 8.48 0.00 0.00 0.00 0.00 14:00:07 ens3 0.54 0.34 0.14 0.10 0.00 0.00 0.00 0.00 14:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:05 lo 19.29 19.29 10.14 10.14 0.00 0.00 0.00 0.00 14:10:05 ens3 0.64 0.66 0.14 0.12 0.00 0.00 0.00 0.00 14:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 16.35 16.35 9.84 9.84 0.00 0.00 0.00 0.00 14:20:01 ens3 0.80 0.68 0.21 0.17 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:07 lo 24.05 24.05 10.42 10.42 0.00 0.00 0.00 0.00 14:30:07 ens3 0.84 0.74 0.18 0.15 0.00 0.00 0.00 0.00 14:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.92 21.92 11.05 11.05 0.00 0.00 0.00 0.00 Average: ens3 1.02 0.91 0.24 0.31 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-32636) 07/03/26 _x86_64_ (4 CPU) 12:40:41 LINUX RESTART (4 CPU) 12:50:01 CPU %user %nice %system %iowait %steal %idle 13:00:07 all 67.13 0.00 2.55 0.20 0.13 29.99 13:00:07 0 67.35 0.00 2.71 0.20 0.13 29.60 13:00:07 1 66.74 0.00 2.50 0.18 0.13 30.45 13:00:07 2 67.35 0.00 2.56 0.24 0.13 29.72 13:00:07 3 67.07 0.00 2.43 0.19 0.13 30.19 13:10:07 all 28.16 0.00 1.20 0.08 0.09 70.47 13:10:07 0 28.12 0.00 1.16 0.04 0.09 70.58 13:10:07 1 28.23 0.00 1.20 0.05 0.09 70.43 13:10:07 2 27.69 0.00 1.23 0.08 0.09 70.92 13:10:07 3 28.60 0.00 1.21 0.13 0.09 69.97 13:20:01 all 17.78 0.00 0.77 0.20 0.07 81.18 13:20:01 0 17.59 0.00 0.69 0.06 0.06 81.59 13:20:01 1 17.57 0.00 0.75 0.19 0.07 81.42 13:20:01 2 18.46 0.00 0.80 0.09 0.07 80.58 13:20:01 3 17.50 0.00 0.82 0.47 0.07 81.14 13:30:04 all 30.92 0.00 1.04 0.08 0.08 67.88 13:30:04 0 30.39 0.00 0.95 0.04 0.08 68.53 13:30:04 1 30.53 0.00 1.09 0.16 0.08 68.14 13:30:04 2 30.74 0.00 0.99 0.04 0.08 68.15 13:30:04 3 32.00 0.00 1.14 0.06 0.08 66.71 13:40:04 all 18.78 0.00 0.70 0.03 0.07 80.43 13:40:04 0 17.97 0.00 0.67 0.01 0.06 81.28 13:40:04 1 19.42 0.00 0.68 0.04 0.07 79.80 13:40:04 2 19.03 0.00 0.73 0.05 0.07 80.12 13:40:04 3 18.68 0.00 0.70 0.04 0.07 80.51 13:50:02 all 8.49 0.00 0.40 0.02 0.05 91.04 13:50:02 0 8.28 0.00 0.39 0.05 0.04 91.24 13:50:02 1 8.63 0.00 0.37 0.03 0.05 90.91 13:50:02 2 8.73 0.00 0.48 0.01 0.05 90.72 13:50:02 3 8.32 0.00 0.35 0.01 0.04 91.27 14:00:07 all 9.99 0.00 0.47 0.03 0.05 89.46 14:00:07 0 9.31 0.00 0.41 0.05 0.05 90.17 14:00:07 1 10.19 0.00 0.51 0.03 0.05 89.21 14:00:07 2 10.45 0.00 0.52 0.01 0.05 88.97 14:00:07 3 9.98 0.00 0.46 0.03 0.05 89.48 14:10:05 all 11.04 0.00 0.60 0.03 0.08 88.25 14:10:05 0 10.45 0.00 0.53 0.04 0.05 88.93 14:10:05 1 11.28 0.00 0.64 0.06 0.06 87.97 14:10:05 2 11.46 0.00 0.62 0.01 0.15 87.77 14:10:05 3 10.98 0.00 0.60 0.02 0.06 88.35 14:20:01 all 14.08 0.00 0.63 0.05 0.06 85.18 14:20:01 0 14.80 0.00 0.57 0.09 0.06 84.49 14:20:01 1 13.89 0.00 0.62 0.05 0.06 85.38 14:20:01 2 14.31 0.00 0.74 0.01 0.06 84.88 14:20:01 3 13.35 0.00 0.58 0.03 0.06 85.99 14:30:07 all 15.66 0.00 0.63 0.03 0.06 83.61 14:30:07 0 15.86 0.00 0.59 0.06 0.05 83.43 14:30:07 1 15.65 0.00 0.64 0.03 0.07 83.62 14:30:07 2 15.84 0.00 0.61 0.02 0.06 83.46 14:30:07 3 15.30 0.00 0.68 0.01 0.06 83.94 Average: all 22.25 0.00 0.90 0.08 0.07 76.70 Average: 0 22.06 0.00 0.87 0.06 0.07 76.94 Average: 1 22.26 0.00 0.90 0.08 0.07 76.68 Average: 2 22.44 0.00 0.93 0.06 0.08 76.49 Average: 3 22.23 0.00 0.90 0.10 0.07 76.70