---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15994 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 680 11560 4 3748 14966 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:0d:5c:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79008sec preferred_lft 79008sec inet6 fe80::f816:3eff:fe0d:5c6d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:10:3e:9c:30:44 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 ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-15994) 02/19/26 _x86_64_ (4 CPU) 10:17:04 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:13 86.69 4.24 77.99 4.45 772.70 33342.31 18482.46 10:40:10 69.27 22.45 43.90 2.92 294.71 5261.97 3550.41 10:50:01 39.35 5.64 16.64 17.07 100.75 443.83 215482.35 11:00:32 8.51 0.01 8.10 0.40 0.79 265.23 1401.24 11:10:32 20.69 0.08 19.62 0.98 6.35 848.00 1568.05 11:20:01 10.18 0.02 9.70 0.46 1.01 294.56 580.30 11:30:32 5.14 0.05 4.88 0.20 2.65 137.47 189.31 11:40:32 5.18 0.02 4.99 0.17 1.29 140.01 87.83 11:50:01 4.72 0.01 4.55 0.17 0.41 145.49 626.62 12:00:32 6.44 0.00 6.28 0.16 0.13 171.81 160.65 12:10:32 9.01 0.01 8.63 0.37 0.57 545.00 268.68 12:20:01 12.66 2.30 9.42 0.94 165.23 1500.91 7950.64 Average: 23.18 2.88 17.96 2.34 112.49 3635.35 20576.72 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:13 4721576 15329940 596344 3.64 236772 10166612 1312516 7.53 2078804 8816184 4912 10:40:10 6521376 9077928 6857048 41.88 259972 2344436 7769060 44.59 1981628 7341136 2028 10:50:01 4572992 7188088 8748200 53.43 262964 2400128 9586516 55.03 2036804 9249796 732 11:00:32 7076692 9714264 6224224 38.02 264000 2421568 6987744 40.11 2041784 6741908 80 11:10:32 10890820 13675304 2266124 13.84 270004 2562488 2946780 16.91 2070728 2918508 88 11:20:01 8693624 11514708 4425100 27.03 271196 2597900 5177332 29.72 2073408 5113492 204 11:30:32 8629056 11468636 4471024 27.31 271764 2615824 5216080 29.94 2075480 5176716 644 11:40:32 7249996 10106708 5832356 35.62 272276 2632444 6622332 38.01 2077492 6537812 84 11:50:01 7300376 10176628 5762540 35.20 272904 2651356 6570276 37.71 2080864 6479248 104 12:00:32 8504916 11403536 4536260 27.71 273664 2672964 5295512 30.40 2083176 5291060 72 12:10:32 8322492 11338284 4601224 28.10 277212 2786528 5242812 30.09 2096612 5463688 116 12:20:01 11913512 15366024 575464 3.51 281528 3216572 1201592 6.90 2168404 1794704 26300 Average: 7866452 11363337 4574659 27.94 267855 3255735 5327379 30.58 2072099 5910354 2947 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:13 lo 2.01 2.01 1.82 1.82 0.00 0.00 0.00 0.00 10:30:13 ens3 163.51 96.68 1963.47 9.81 0.00 0.00 0.00 0.00 10:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:10 lo 25.07 25.07 17.79 17.79 0.00 0.00 0.00 0.00 10:40:10 ens3 2.25 1.89 0.68 0.56 0.00 0.00 0.00 0.00 10:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 40.79 40.79 17.84 17.84 0.00 0.00 0.00 0.00 10:50:01 ens3 2.23 1.35 0.45 0.31 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:32 lo 19.25 19.25 8.83 8.83 0.00 0.00 0.00 0.00 11:00:32 ens3 0.94 0.91 0.12 1.13 0.00 0.00 0.00 0.00 11:00:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:32 lo 12.96 12.96 6.46 6.46 0.00 0.00 0.00 0.00 11:10:32 ens3 1.34 0.99 0.34 0.28 0.00 0.00 0.00 0.00 11:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 18.98 18.98 10.14 10.14 0.00 0.00 0.00 0.00 11:20:01 ens3 1.41 0.89 0.31 0.21 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:32 lo 26.73 26.73 9.80 9.80 0.00 0.00 0.00 0.00 11:30:32 ens3 0.81 0.46 0.19 0.13 0.00 0.00 0.00 0.00 11:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:32 lo 9.56 9.56 4.97 4.97 0.00 0.00 0.00 0.00 11:40:32 ens3 0.91 0.40 0.28 0.18 0.00 0.00 0.00 0.00 11:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 14.38 14.38 7.59 7.59 0.00 0.00 0.00 0.00 11:50:01 ens3 0.59 0.39 0.11 0.08 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:32 lo 17.18 17.18 9.63 9.63 0.00 0.00 0.00 0.00 12:00:32 ens3 0.86 0.55 0.21 0.15 0.00 0.00 0.00 0.00 12:00:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:32 lo 13.28 13.28 7.13 7.13 0.00 0.00 0.00 0.00 12:10:32 ens3 1.27 0.92 0.47 0.36 0.00 0.00 0.00 0.00 12:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 33.56 33.56 12.96 12.96 0.00 0.00 0.00 0.00 12:20:01 ens3 3.02 2.59 1.85 1.08 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.41 19.41 9.54 9.54 0.00 0.00 0.00 0.00 Average: ens3 15.17 9.14 167.11 1.20 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-15994) 02/19/26 _x86_64_ (4 CPU) 10:17:04 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:13 all 32.73 0.00 2.09 19.64 0.11 45.43 10:30:13 0 33.40 0.00 2.07 24.27 0.10 40.16 10:30:13 1 32.18 0.00 2.08 20.59 0.12 45.03 10:30:13 2 32.91 0.00 2.02 18.75 0.11 46.21 10:30:13 3 32.43 0.00 2.19 14.95 0.12 50.31 10:40:10 all 52.81 0.00 2.08 0.48 0.14 44.49 10:40:10 0 53.83 0.00 2.04 0.47 0.14 43.53 10:40:10 1 53.37 0.00 1.94 0.44 0.14 44.10 10:40:10 2 51.80 0.00 2.38 0.30 0.13 45.38 10:40:10 3 52.25 0.00 1.97 0.70 0.14 44.93 10:50:01 all 37.28 0.00 1.50 0.07 0.11 61.04 10:50:01 0 36.96 0.00 1.51 0.05 0.11 61.37 10:50:01 1 37.60 0.00 1.58 0.06 0.11 60.65 10:50:01 2 37.39 0.00 1.47 0.12 0.11 60.91 10:50:01 3 37.18 0.00 1.44 0.05 0.11 61.22 11:00:32 all 16.82 0.00 0.82 0.03 0.08 82.24 11:00:32 0 16.93 0.00 0.75 0.01 0.08 82.24 11:00:32 1 16.74 0.00 0.92 0.08 0.09 82.17 11:00:32 2 17.16 0.00 0.81 0.01 0.09 81.94 11:00:32 3 16.47 0.00 0.82 0.04 0.08 82.59 11:10:32 all 28.81 0.00 1.02 0.07 0.09 70.01 11:10:32 0 30.44 0.00 0.93 0.04 0.08 68.51 11:10:32 1 28.42 0.00 0.98 0.04 0.09 70.47 11:10:32 2 28.13 0.00 1.07 0.14 0.08 70.58 11:10:32 3 28.28 0.00 1.11 0.05 0.09 70.48 11:20:01 all 19.06 0.00 0.70 0.03 0.09 80.12 11:20:01 0 19.12 0.00 0.70 0.01 0.09 80.09 11:20:01 1 18.62 0.00 0.61 0.04 0.09 80.65 11:20:01 2 19.33 0.00 0.77 0.06 0.08 79.77 11:20:01 3 19.17 0.00 0.73 0.03 0.09 79.98 11:30:32 all 8.30 0.00 0.46 0.02 0.07 91.14 11:30:32 0 8.70 0.00 0.41 0.02 0.06 90.80 11:30:32 1 7.90 0.00 0.48 0.01 0.07 91.54 11:30:32 2 8.36 0.00 0.46 0.03 0.07 91.09 11:30:32 3 8.26 0.00 0.51 0.04 0.07 91.13 11:40:32 all 8.55 0.00 0.37 0.02 0.07 90.99 11:40:32 0 8.65 0.00 0.38 0.03 0.06 90.87 11:40:32 1 8.33 0.00 0.33 0.02 0.07 91.26 11:40:32 2 9.03 0.00 0.35 0.01 0.07 90.54 11:40:32 3 8.21 0.00 0.41 0.02 0.07 91.29 11:50:01 all 9.50 0.00 0.45 0.06 0.07 89.91 11:50:01 0 9.28 0.00 0.45 0.01 0.07 90.20 11:50:01 1 9.71 0.00 0.52 0.11 0.07 89.59 11:50:01 2 9.38 0.00 0.41 0.02 0.08 90.12 11:50:01 3 9.63 0.00 0.43 0.13 0.08 89.73 12:00:32 all 8.32 0.00 0.46 0.03 0.07 91.13 12:00:32 0 7.76 0.00 0.41 0.01 0.06 91.76 12:00:32 1 8.45 0.00 0.52 0.03 0.07 90.93 12:00:32 2 8.72 0.00 0.39 0.03 0.07 90.79 12:00:32 3 8.35 0.00 0.50 0.04 0.07 91.04 12:10:32 all 14.09 0.00 0.59 0.04 0.08 85.20 12:10:32 0 13.71 0.00 0.55 0.02 0.07 85.64 12:10:32 1 13.99 0.00 0.63 0.02 0.08 85.29 12:10:32 2 14.85 0.00 0.60 0.07 0.08 84.40 12:10:32 3 13.80 0.00 0.58 0.07 0.08 85.48 12:10:32 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 12.45 0.00 0.69 0.21 0.08 86.58 12:20:01 0 10.89 0.00 0.56 0.07 0.06 88.41 12:20:01 1 14.45 0.00 0.74 0.41 0.08 84.30 12:20:01 2 13.31 0.00 0.73 0.09 0.08 85.78 12:20:01 3 11.14 0.00 0.71 0.27 0.07 87.81 Average: all 20.66 0.00 0.94 1.75 0.09 76.56 Average: 0 20.75 0.00 0.90 2.11 0.08 76.17 Average: 1 20.74 0.00 0.94 1.84 0.09 76.38 Average: 2 20.80 0.00 0.95 1.66 0.09 76.50 Average: 3 20.37 0.00 0.95 1.38 0.09 77.21