---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13236 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 727 10732 3 4528 14919 Swap: 1023 1 1022 ---> 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:b4:62:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79812sec preferred_lft 79812sec inet6 fe80::f816:3eff:feb4:621e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:8d:d5:25:80:86 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::448d:d5ff:fe25:8086/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-13236) 05/13/26 _x86_64_ (4 CPU) 11:30:57 LINUX RESTART (4 CPU) 11:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:19 89.86 21.46 50.14 18.26 316.79 4983.50 207512.61 12:00:19 11.48 0.07 10.82 0.59 1.83 271.67 244.30 12:10:01 19.63 0.11 18.62 0.90 5.40 754.75 944.78 12:20:19 9.17 0.01 8.77 0.40 0.40 240.77 440.30 12:30:14 6.97 0.00 6.80 0.16 0.27 134.59 62.77 12:40:01 4.87 0.01 4.64 0.21 0.60 123.90 82.41 12:50:17 4.93 0.01 4.73 0.19 1.03 128.59 64.53 13:00:18 5.19 0.00 5.00 0.19 0.31 141.58 95.17 13:10:01 11.48 0.05 10.87 0.56 2.18 656.62 397.53 13:20:19 9.50 1.63 7.28 0.59 65.25 1209.11 468.57 Average: 17.49 2.40 12.84 2.25 40.40 876.95 21587.21 11:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:19 2770264 6252996 9678008 59.11 264856 3184280 11012928 63.21 2237788 10758596 632 12:00:19 3651604 7152688 8779380 53.62 266504 3200820 9442516 54.20 2258696 9859524 160 12:10:01 9286584 12915808 3020612 18.45 272320 3322944 3794496 21.78 2301056 4212980 524 12:20:19 7792308 11450028 4485544 27.40 273976 3349792 5269300 30.25 2304432 5683476 56 12:30:14 7605356 11275188 4660208 28.46 274712 3361176 5393896 30.96 2305640 5881036 92 12:40:01 7740676 11425464 4509952 27.54 275272 3375584 5191924 29.80 2306928 5744312 304 12:50:17 6224024 9925464 6009184 36.70 275872 3391640 6780880 38.92 2309032 7256820 204 13:00:18 6158192 9878364 6056324 36.99 276464 3409792 6817956 39.13 2312724 7318924 160 13:10:01 7512652 11374584 4560880 27.86 280744 3541860 5223812 29.98 2329916 5929856 388 13:20:19 11022240 15264828 672724 4.11 284084 3910520 1315140 7.55 2375484 2371668 33304 Average: 6976390 10691541 5243282 32.02 274480 3404841 6024285 34.58 2304170 6501719 3582 11:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:19 lo 29.13 29.13 20.37 20.37 0.00 0.00 0.00 0.00 11:50:19 ens3 2.59 2.07 0.71 0.58 0.00 0.00 0.00 0.00 11:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:19 lo 36.88 36.88 14.81 14.81 0.00 0.00 0.00 0.00 12:00:19 ens3 1.94 1.54 0.40 1.35 0.00 0.00 0.00 0.00 12:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 20.26 20.26 8.01 8.01 0.00 0.00 0.00 0.00 12:10:01 ens3 1.12 0.88 0.29 0.24 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:19 lo 12.75 12.75 6.36 6.36 0.00 0.00 0.00 0.00 12:20:19 ens3 0.71 0.54 0.13 0.10 0.00 0.00 0.00 0.00 12:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:14 lo 13.53 13.53 7.31 7.31 0.00 0.00 0.00 0.00 12:30:14 ens3 0.74 0.52 0.21 0.16 0.00 0.00 0.00 0.00 12:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 21.14 21.14 7.10 7.10 0.00 0.00 0.00 0.00 12:40:01 ens3 0.49 0.32 0.12 0.08 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:17 lo 16.57 16.57 7.94 7.94 0.00 0.00 0.00 0.00 12:50:17 ens3 0.57 0.41 0.11 0.08 0.00 0.00 0.00 0.00 12:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:18 lo 17.59 17.59 10.52 10.52 0.00 0.00 0.00 0.00 13:00:18 ens3 0.75 0.57 0.19 0.15 0.00 0.00 0.00 0.00 13:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 19.06 19.06 10.42 10.42 0.00 0.00 0.00 0.00 13:10:01 ens3 0.93 0.81 0.28 0.21 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:19 lo 32.04 32.04 12.45 12.45 0.00 0.00 0.00 0.00 13:20:19 ens3 2.18 1.84 1.14 0.72 0.00 0.00 0.00 0.00 13:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.93 21.93 10.56 10.56 0.00 0.00 0.00 0.00 Average: ens3 1.21 0.96 0.36 0.37 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-13236) 05/13/26 _x86_64_ (4 CPU) 11:30:57 LINUX RESTART (4 CPU) 11:40:01 CPU %user %nice %system %iowait %steal %idle 11:50:19 all 65.34 0.00 2.42 0.37 0.13 31.74 11:50:19 0 65.28 0.00 2.53 0.14 0.13 31.92 11:50:19 1 66.20 0.00 2.43 0.93 0.14 30.30 11:50:19 2 64.23 0.00 2.35 0.18 0.13 33.12 11:50:19 3 65.64 0.00 2.35 0.25 0.13 31.63 12:00:19 all 24.81 0.00 0.97 0.06 0.10 74.06 12:00:19 0 25.01 0.00 0.99 0.06 0.10 73.85 12:00:19 1 24.58 0.00 1.06 0.06 0.09 74.22 12:00:19 2 24.83 0.00 0.97 0.01 0.10 74.09 12:00:19 3 24.81 0.00 0.89 0.13 0.10 74.08 12:10:01 all 28.39 0.00 1.02 0.06 0.08 70.45 12:10:01 0 28.93 0.00 1.09 0.08 0.08 69.82 12:10:01 1 28.10 0.00 1.02 0.03 0.09 70.76 12:10:01 2 28.52 0.00 1.00 0.09 0.08 70.30 12:10:01 3 28.01 0.00 0.99 0.02 0.08 70.90 12:20:19 all 15.12 0.00 0.54 0.03 0.06 84.24 12:20:19 0 15.05 0.00 0.56 0.03 0.06 84.30 12:20:19 1 14.94 0.00 0.54 0.02 0.07 84.43 12:20:19 2 15.32 0.00 0.56 0.03 0.07 84.02 12:20:19 3 15.15 0.00 0.51 0.05 0.06 84.22 12:30:14 all 7.96 0.00 0.34 0.02 0.06 91.62 12:30:14 0 8.13 0.00 0.29 0.01 0.05 91.52 12:30:14 1 7.63 0.00 0.40 0.02 0.06 91.90 12:30:14 2 8.13 0.00 0.34 0.02 0.06 91.46 12:30:14 3 7.97 0.00 0.34 0.03 0.06 91.60 12:40:01 all 8.51 0.00 0.36 0.02 0.06 91.05 12:40:01 0 8.40 0.00 0.42 0.05 0.05 91.09 12:40:01 1 8.73 0.00 0.32 0.01 0.06 90.89 12:40:01 2 8.76 0.00 0.37 0.02 0.06 90.80 12:40:01 3 8.17 0.00 0.33 0.02 0.05 91.42 12:50:17 all 9.97 0.00 0.49 0.02 0.06 89.46 12:50:17 0 9.36 0.00 0.41 0.03 0.06 90.14 12:50:17 1 9.79 0.00 0.45 0.00 0.07 89.69 12:50:17 2 10.98 0.00 0.60 0.01 0.07 88.34 12:50:17 3 9.75 0.00 0.49 0.01 0.07 89.68 13:00:18 all 10.06 0.00 0.43 0.06 0.06 89.39 13:00:18 0 9.89 0.00 0.46 0.09 0.06 89.49 13:00:18 1 9.80 0.00 0.45 0.10 0.06 89.59 13:00:18 2 10.34 0.00 0.39 0.02 0.07 89.18 13:00:18 3 10.21 0.00 0.40 0.04 0.06 89.29 13:10:01 all 20.87 0.00 0.77 0.05 0.08 78.23 13:10:01 0 20.77 0.00 0.77 0.09 0.08 78.29 13:10:01 1 21.22 0.00 0.80 0.02 0.08 77.88 13:10:01 2 19.82 0.00 0.71 0.04 0.08 79.36 13:10:01 3 21.69 0.00 0.82 0.03 0.08 77.38 13:20:19 all 11.02 0.00 0.54 0.08 0.06 88.29 13:20:19 0 11.08 0.00 0.49 0.03 0.06 88.34 13:20:19 1 10.17 0.00 0.54 0.04 0.06 89.19 13:20:19 2 10.87 0.00 0.58 0.11 0.07 88.38 13:20:19 3 11.97 0.00 0.56 0.16 0.06 87.25 Average: all 20.28 0.00 0.79 0.08 0.08 78.77 Average: 0 20.26 0.00 0.80 0.06 0.07 78.80 Average: 1 20.19 0.00 0.80 0.13 0.08 78.80 Average: 2 20.26 0.00 0.79 0.05 0.08 78.82 Average: 3 20.42 0.00 0.77 0.08 0.08 78.66