---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-18518 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 714 10725 4 4549 14932 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:1c:fa:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79753sec preferred_lft 79753sec inet6 fe80::f816:3eff:fe1c:faad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:de:46:d9:70:48 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::4de:46ff:fed9:7048/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-18518) 03/23/26 _x86_64_ (4 CPU) 19:34:27 LINUX RESTART (4 CPU) 19:40:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:12 98.20 22.70 71.36 4.14 344.50 21099.08 9919.14 20:00:34 28.56 1.93 25.38 1.25 27.39 1466.56 1106.09 20:10:32 8.27 0.05 7.76 0.46 2.46 274.75 427.20 20:20:04 16.80 0.06 16.01 0.73 1.64 768.12 478.88 20:30:34 13.01 0.02 12.49 0.50 0.62 413.03 1283.68 20:40:34 5.51 0.01 5.30 0.21 0.60 145.07 502.36 20:50:34 21.23 0.07 5.33 15.83 1.88 162.22 209823.94 21:00:21 6.24 0.01 6.06 0.18 0.83 171.80 76.62 21:10:17 5.63 0.03 5.43 0.16 4.26 160.88 46.37 21:20:00 9.32 0.02 8.92 0.38 0.82 593.26 495.06 Average: 21.29 2.48 16.42 2.39 38.38 2514.88 22479.31 19:40:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:12 1262640 5147084 10781972 65.85 270532 3559996 12103188 69.47 2228664 12255848 240900 20:00:34 3497608 6861696 9071332 55.40 273468 3073488 10592700 60.80 2240784 10059488 560 20:10:32 2369868 5755232 10176464 62.15 274536 3093512 10931196 62.74 2247792 11173000 148 20:20:04 11775196 15304884 632920 3.87 279836 3232512 1358564 7.80 2288052 1744464 11340 20:30:34 8679872 12262688 3673808 22.44 281624 3283852 4921372 28.25 2291608 4845476 184 20:40:34 7795684 11396724 4539176 27.72 282296 3301400 5285196 30.34 2293028 5724028 152 20:50:34 6273704 9901380 6033640 36.85 283068 3327268 6722048 38.58 2300180 7238284 68 21:00:21 6294532 9944700 5990400 36.59 283680 3349152 6742328 38.70 2303816 7190240 104 21:10:17 11582208 15301608 635892 3.88 285788 3414612 1352040 7.76 2309296 1907052 42068 21:20:00 11473512 15304504 632660 3.86 288328 3520268 1367064 7.85 2330936 1999188 24264 Average: 7100482 10718050 5216826 31.86 280316 3315606 6137570 35.23 2283416 6413707 31979 19:40:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:12 lo 15.57 15.57 13.31 13.31 0.00 0.00 0.00 0.00 19:50:12 ens3 39.70 30.35 650.82 3.31 0.00 0.00 0.00 0.00 19:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:34 lo 37.70 37.70 18.61 18.61 0.00 0.00 0.00 0.00 20:00:34 ens3 1.93 1.51 0.42 0.34 0.00 0.00 0.00 0.00 20:00:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:32 lo 31.44 31.44 13.62 13.62 0.00 0.00 0.00 0.00 20:10:32 ens3 1.63 0.98 0.28 0.88 0.00 0.00 0.00 0.00 20:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:04 lo 10.65 10.65 5.17 5.17 0.00 0.00 0.00 0.00 20:20:04 ens3 1.10 1.00 0.27 0.61 0.00 0.00 0.00 0.00 20:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:34 lo 14.90 14.90 7.07 7.07 0.00 0.00 0.00 0.00 20:30:34 ens3 0.90 0.57 0.18 0.13 0.00 0.00 0.00 0.00 20:30:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:34 lo 20.00 20.00 9.68 9.68 0.00 0.00 0.00 0.00 20:40:34 ens3 1.14 0.62 0.26 0.17 0.00 0.00 0.00 0.00 20:40:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:34 lo 27.30 27.30 11.31 11.31 0.00 0.00 0.00 0.00 20:50:34 ens3 0.66 0.46 0.12 0.09 0.00 0.00 0.00 0.00 20:50:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:21 lo 18.38 18.38 10.31 10.31 0.00 0.00 0.00 0.00 21:00:21 ens3 0.75 0.61 0.17 0.13 0.00 0.00 0.00 0.00 21:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:17 lo 11.45 11.45 5.95 5.95 0.00 0.00 0.00 0.00 21:10:17 ens3 0.79 0.43 0.16 0.11 0.00 0.00 0.00 0.00 21:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:00 lo 23.88 23.88 11.25 11.25 0.00 0.00 0.00 0.00 21:20:00 ens3 1.06 0.98 0.30 0.25 0.00 0.00 0.00 0.00 21:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.21 21.21 10.67 10.67 0.00 0.00 0.00 0.00 Average: ens3 4.95 3.73 64.88 0.60 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-18518) 03/23/26 _x86_64_ (4 CPU) 19:34:27 LINUX RESTART (4 CPU) 19:40:17 CPU %user %nice %system %iowait %steal %idle 19:50:12 all 50.78 0.00 2.13 4.67 0.10 42.31 19:50:12 0 51.28 0.00 2.15 8.87 0.10 37.60 19:50:12 1 51.57 0.00 2.35 3.30 0.11 42.68 19:50:12 2 50.61 0.00 2.07 3.88 0.11 43.32 19:50:12 3 49.68 0.00 1.95 2.64 0.10 45.63 20:00:34 all 43.98 0.00 1.60 0.08 0.12 54.22 20:00:34 0 43.90 0.00 1.55 0.13 0.12 54.30 20:00:34 1 43.76 0.00 1.55 0.05 0.13 54.52 20:00:34 2 44.71 0.00 1.66 0.07 0.12 53.43 20:00:34 3 43.53 0.00 1.66 0.07 0.12 54.61 20:10:32 all 20.98 0.00 0.97 0.04 0.10 77.91 20:10:32 0 20.29 0.00 0.91 0.04 0.10 78.66 20:10:32 1 22.01 0.00 1.01 0.01 0.10 76.87 20:10:32 2 20.67 0.00 0.99 0.03 0.10 78.21 20:10:32 3 20.95 0.00 0.96 0.07 0.11 77.92 20:20:04 all 22.51 0.00 0.91 0.05 0.10 76.42 20:20:04 0 21.74 0.00 0.91 0.12 0.10 77.14 20:20:04 1 23.13 0.00 0.94 0.04 0.09 75.79 20:20:04 2 22.08 0.00 0.92 0.03 0.10 76.87 20:20:04 3 23.11 0.00 0.88 0.03 0.09 75.90 20:30:34 all 21.69 0.00 0.76 0.16 0.09 77.29 20:30:34 0 21.32 0.00 0.67 0.11 0.08 77.82 20:30:34 1 21.63 0.00 0.93 0.02 0.09 77.33 20:30:34 2 21.60 0.00 0.72 0.05 0.09 77.53 20:30:34 3 22.22 0.00 0.72 0.48 0.09 76.50 20:40:34 all 9.63 0.00 0.38 0.03 0.08 89.88 20:40:34 0 9.30 0.00 0.34 0.03 0.08 90.26 20:40:34 1 9.78 0.00 0.48 0.01 0.09 89.64 20:40:34 2 9.80 0.00 0.36 0.02 0.08 89.73 20:40:34 3 9.63 0.00 0.35 0.05 0.09 89.87 20:50:34 all 9.95 0.00 0.43 0.04 0.09 89.49 20:50:34 0 10.54 0.00 0.44 0.01 0.08 88.93 20:50:34 1 9.75 0.00 0.44 0.03 0.09 89.69 20:50:34 2 10.24 0.00 0.39 0.02 0.09 89.25 20:50:34 3 9.26 0.00 0.46 0.12 0.08 90.08 21:00:21 all 10.01 0.00 0.46 0.02 0.08 89.42 21:00:21 0 10.08 0.00 0.46 0.03 0.09 89.35 21:00:21 1 9.87 0.00 0.48 0.02 0.08 89.55 21:00:21 2 10.13 0.00 0.45 0.01 0.08 89.32 21:00:21 3 9.97 0.00 0.47 0.02 0.08 89.46 21:10:17 all 7.27 0.00 0.43 0.03 0.08 92.19 21:10:17 0 7.15 0.00 0.38 0.01 0.08 92.37 21:10:17 1 7.70 0.00 0.50 0.05 0.08 91.66 21:10:17 2 6.90 0.00 0.40 0.03 0.09 92.58 21:10:17 3 7.31 0.00 0.42 0.02 0.08 92.17 21:20:00 all 14.58 0.00 0.63 0.04 0.08 84.67 21:20:00 0 14.43 0.00 0.68 0.03 0.09 84.77 21:20:00 1 14.73 0.00 0.57 0.09 0.07 84.54 21:20:00 2 14.37 0.00 0.60 0.01 0.09 84.94 21:20:00 3 14.79 0.00 0.68 0.03 0.08 84.42 Average: all 21.24 0.00 0.87 0.51 0.09 77.28 Average: 0 21.10 0.00 0.85 0.93 0.09 77.02 Average: 1 21.48 0.00 0.93 0.36 0.09 77.14 Average: 2 21.22 0.00 0.86 0.41 0.10 77.41 Average: 3 21.15 0.00 0.86 0.35 0.09 77.55