---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-33711 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 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 742 9417 4 5828 14904 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:de:0f:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79462sec preferred_lft 79462sec inet6 fe80::f816:3eff:fede:f72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:e8:8b:23:46:68 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::9ce8:8bff:fe23:4668/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-33711) 07/07/26 _x86_64_ (4 CPU) 12:32:47 LINUX RESTART (4 CPU) 12:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:00 58.48 3.96 37.45 17.07 140.34 4291.44 218376.35 13:00:01 11.35 0.07 10.73 0.55 2.38 288.01 418.46 13:10:11 8.11 0.46 7.05 0.60 52.93 307.33 592.39 13:20:20 78.10 37.22 38.91 1.96 309.86 3152.04 1860.11 13:30:01 14.93 0.01 14.22 0.70 0.88 401.30 416.53 13:40:20 4.98 0.00 4.81 0.16 0.18 136.57 64.22 13:50:12 5.80 0.01 5.63 0.17 1.33 163.18 80.51 14:00:01 5.39 0.08 5.12 0.19 2.39 157.61 145.88 14:10:11 9.17 0.01 8.73 0.43 0.38 563.10 143.26 14:20:11 6.90 0.00 6.73 0.16 0.51 270.56 302.62 Average: 20.34 4.24 13.93 2.18 51.49 972.56 21967.47 12:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:00 3890336 7889768 8042340 49.12 250764 3671872 9539460 54.76 2167064 9682164 500 13:00:01 6911500 10932264 4999248 30.53 252288 3691540 5757288 33.05 2188212 6649436 5932 13:10:11 11048940 15270912 664588 4.06 259992 3878480 1438296 8.26 2226484 2477160 155860 13:20:20 7080912 11943904 3989088 24.36 276620 4491156 4615988 26.50 2523484 6130756 272 13:30:01 6289620 11200048 4733196 28.91 278508 4536580 5436176 31.20 2541708 6895000 296 13:40:20 6499324 11428624 4504512 27.51 278956 4554948 5210156 29.91 2542800 6669852 224 13:50:12 6933728 11884036 4048668 24.73 279352 4575496 5122188 29.40 2544848 6210524 212 14:00:01 4744036 9717216 6214984 37.96 280212 4597468 6948156 39.88 2549164 8434372 64 14:10:11 6202972 11303408 4629388 28.27 284308 4714972 5314540 30.51 2557644 6965972 40 14:20:11 9489904 14639904 1294688 7.91 284920 4763744 2029260 11.65 2576060 3674332 248 Average: 6909127 11621008 4312070 26.34 272592 4347626 5141151 29.51 2441747 6378957 16365 12:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:00 lo 18.06 18.06 12.84 12.84 0.00 0.00 0.00 0.00 12:50:00 ens3 1.43 1.20 0.36 0.31 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 30.59 30.59 12.83 12.83 0.00 0.00 0.00 0.00 13:00:01 ens3 1.25 0.98 0.45 0.20 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:11 lo 22.57 22.57 10.15 10.15 0.00 0.00 0.00 0.00 13:10:11 ens3 1.23 1.27 0.33 1.26 0.00 0.00 0.00 0.00 13:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:20 lo 24.26 24.26 18.22 18.22 0.00 0.00 0.00 0.00 13:20:20 ens3 1.67 1.54 0.38 0.36 0.00 0.00 0.00 0.00 13:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 27.24 27.24 13.62 13.62 0.00 0.00 0.00 0.00 13:30:01 ens3 1.09 0.99 0.22 0.19 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:20 lo 23.77 23.77 8.79 8.79 0.00 0.00 0.00 0.00 13:40:20 ens3 0.64 0.49 0.14 0.11 0.00 0.00 0.00 0.00 13:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:12 lo 24.74 24.74 11.27 11.27 0.00 0.00 0.00 0.00 13:50:12 ens3 0.65 0.57 0.15 0.11 0.00 0.00 0.00 0.00 13:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 17.81 17.81 10.37 10.37 0.00 0.00 0.00 0.00 14:00:01 ens3 0.70 0.57 0.18 0.14 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:11 lo 11.05 11.05 6.64 6.64 0.00 0.00 0.00 0.00 14:10:11 ens3 0.73 0.73 0.19 0.17 0.00 0.00 0.00 0.00 14:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:11 lo 16.98 16.98 6.90 6.90 0.00 0.00 0.00 0.00 14:20:11 ens3 0.67 0.67 0.15 0.11 0.00 0.00 0.00 0.00 14:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.69 21.69 11.15 11.15 0.00 0.00 0.00 0.00 Average: ens3 1.01 0.90 0.26 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-33711) 07/07/26 _x86_64_ (4 CPU) 12:32:47 LINUX RESTART (4 CPU) 12:40:08 CPU %user %nice %system %iowait %steal %idle 12:50:00 all 46.18 0.00 1.72 0.14 0.12 51.84 12:50:00 0 47.21 0.00 1.74 0.15 0.11 50.78 12:50:00 1 44.42 0.00 1.70 0.26 0.12 53.49 12:50:00 2 47.68 0.00 1.73 0.12 0.12 50.35 12:50:00 3 45.41 0.00 1.70 0.05 0.12 52.73 13:00:01 all 24.64 0.00 0.95 0.15 0.16 74.10 13:00:01 0 24.27 0.00 0.98 0.12 0.19 74.44 13:00:01 1 24.98 0.00 0.92 0.22 0.09 73.79 13:00:01 2 24.69 0.00 0.85 0.11 0.24 74.12 13:00:01 3 24.62 0.00 1.07 0.13 0.10 74.08 13:10:11 all 17.98 0.00 0.85 0.14 0.09 80.93 13:10:11 0 17.56 0.00 0.88 0.22 0.09 81.24 13:10:11 1 17.96 0.00 0.88 0.09 0.09 80.97 13:10:11 2 18.73 0.00 0.85 0.04 0.10 80.28 13:10:11 3 17.65 0.00 0.80 0.21 0.09 81.24 13:20:20 all 58.10 0.00 1.91 0.31 0.16 39.51 13:20:20 0 57.68 0.00 1.93 0.22 0.14 40.02 13:20:20 1 58.82 0.00 1.80 0.56 0.15 38.68 13:20:20 2 57.96 0.00 1.87 0.06 0.21 39.90 13:20:20 3 57.94 0.00 2.05 0.41 0.15 39.45 13:30:01 all 28.56 0.00 1.02 0.03 0.10 70.29 13:30:01 0 29.18 0.00 0.93 0.04 0.10 69.75 13:30:01 1 27.96 0.00 1.06 0.03 0.10 70.85 13:30:01 2 28.73 0.00 1.06 0.04 0.10 70.06 13:30:01 3 28.38 0.00 1.01 0.02 0.10 70.49 13:40:20 all 9.19 0.00 0.48 0.33 0.07 89.92 13:40:20 0 9.00 0.00 0.46 0.22 0.07 90.25 13:40:20 1 9.77 0.00 0.52 0.63 0.06 89.01 13:40:20 2 8.87 0.00 0.46 0.15 0.07 90.45 13:40:20 3 9.13 0.00 0.49 0.34 0.07 89.98 13:50:12 all 11.79 0.00 0.51 0.25 0.26 87.19 13:50:12 0 11.49 0.00 0.58 0.45 0.27 87.22 13:50:12 1 12.00 0.00 0.45 0.30 0.28 86.97 13:50:12 2 11.86 0.00 0.53 0.14 0.30 87.18 13:50:12 3 11.83 0.00 0.49 0.12 0.18 87.37 14:00:01 all 11.86 0.00 0.59 0.08 0.08 87.39 14:00:01 0 11.36 0.00 0.56 0.07 0.08 87.94 14:00:01 1 11.64 0.00 0.51 0.10 0.08 87.67 14:00:01 2 12.13 0.00 0.59 0.07 0.08 87.12 14:00:01 3 12.32 0.00 0.70 0.06 0.08 86.84 14:10:11 all 14.31 0.00 0.71 0.70 0.07 84.20 14:10:11 0 13.76 0.00 0.84 0.63 0.07 84.70 14:10:11 1 13.79 0.00 0.69 1.60 0.08 83.84 14:10:11 2 15.66 0.00 0.65 0.41 0.07 83.20 14:10:11 3 14.04 0.00 0.66 0.18 0.07 85.06 14:20:11 all 10.56 0.00 0.58 0.37 0.07 88.42 14:20:11 0 10.16 0.00 0.56 0.31 0.06 88.90 14:20:11 1 11.10 0.00 0.61 0.27 0.07 87.94 14:20:11 2 10.55 0.00 0.61 0.53 0.09 88.21 14:20:11 3 10.41 0.00 0.54 0.36 0.06 88.63 Average: all 23.29 0.00 0.93 0.25 0.12 75.40 Average: 0 23.14 0.00 0.95 0.24 0.12 75.55 Average: 1 23.23 0.00 0.91 0.41 0.11 75.34 Average: 2 23.66 0.00 0.92 0.17 0.14 75.12 Average: 3 23.15 0.00 0.95 0.19 0.10 75.61