---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13220 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 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 751 10789 4 4447 14894 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:bb:34:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79526sec preferred_lft 79526sec inet6 fe80::f816:3eff:febb:3486/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:63:64:2d:0b:ed 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::c63:64ff:fe2d:bed/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-13220) 05/13/26 _x86_64_ (4 CPU) 11:30:25 LINUX RESTART (4 CPU) 11:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:01 75.77 21.97 50.49 3.30 315.21 5142.86 3136.89 12:00:11 15.98 0.13 15.04 0.81 6.15 394.64 483.74 12:10:01 9.67 0.16 9.04 0.47 10.28 549.61 642.96 12:20:01 12.92 0.03 12.39 0.49 1.68 368.73 919.02 12:30:10 12.52 0.01 11.91 0.59 0.77 404.76 396.32 12:40:01 5.03 0.01 4.83 0.19 0.61 141.59 54.04 12:50:01 20.60 0.06 4.49 16.05 1.70 143.78 210027.58 13:00:12 4.83 0.01 4.64 0.18 0.99 147.86 67.71 13:10:01 4.94 0.04 4.71 0.19 1.58 153.87 53.99 13:20:01 9.97 0.01 9.50 0.46 0.76 589.03 787.02 Average: 17.24 2.24 12.73 2.27 33.97 803.92 21625.18 11:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:01 5622692 8830308 7104160 43.39 268488 2936964 8849828 50.80 2240988 7954616 4656 12:00:11 4265956 7500916 8433452 51.51 270612 2962188 9265232 53.18 2265120 9280052 608 12:10:01 9161516 12501720 3436816 20.99 274852 3063216 4306812 24.72 2288416 4386084 1152 12:20:01 10862332 14259200 1679820 10.26 277140 3117612 3011728 17.29 2311556 2668060 12032 12:30:10 7872424 11323548 4614160 28.18 279204 3169784 5319336 30.53 2316404 5628640 412 12:40:01 7919852 11389584 4547988 27.78 279840 3187772 5265664 30.22 2317640 5583956 292 12:50:01 6376716 9872096 6064576 37.04 280372 3212872 6805480 39.06 2324648 7121628 260 13:00:12 6447768 9965600 5971120 36.47 281080 3234616 6686624 38.38 2328216 7048956 260 13:10:01 7878188 11419752 4517928 27.59 281640 3257788 5254648 30.16 2330848 5617768 292 13:20:01 10881704 14575184 1364384 8.33 285496 3404204 2106984 12.09 2355796 2603112 25284 Average: 7728915 11163791 4773440 29.15 277872 3154702 5687234 32.64 2307963 5789287 4525 11:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:01 lo 29.27 29.27 20.41 20.41 0.00 0.00 0.00 0.00 11:50:01 ens3 2.64 2.08 0.73 0.60 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 12:00:11 lo 42.53 42.53 17.85 17.85 0.00 0.00 0.00 0.00 12:00:11 ens3 2.14 1.79 0.42 1.46 0.00 0.00 0.00 0.00 12:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 16.07 16.07 7.28 7.28 0.00 0.00 0.00 0.00 12:10:01 ens3 0.80 0.57 0.21 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 12:20:01 lo 7.41 7.41 3.87 3.87 0.00 0.00 0.00 0.00 12:20:01 ens3 0.83 0.66 0.16 0.12 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 12:30:10 lo 20.44 20.44 10.79 10.79 0.00 0.00 0.00 0.00 12:30:10 ens3 0.98 0.88 0.25 0.21 0.00 0.00 0.00 0.00 12:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 23.40 23.40 8.98 8.98 0.00 0.00 0.00 0.00 12:40:01 ens3 0.68 0.66 0.16 0.13 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 12:50:01 lo 22.60 22.60 9.99 9.99 0.00 0.00 0.00 0.00 12:50:01 ens3 0.59 0.41 0.12 0.08 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:12 lo 14.53 14.53 8.56 8.56 0.00 0.00 0.00 0.00 13:00:12 ens3 0.67 0.50 0.17 0.13 0.00 0.00 0.00 0.00 13:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 11.41 11.41 6.00 6.00 0.00 0.00 0.00 0.00 13:10:01 ens3 0.50 0.40 0.11 0.08 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 13:20:01 lo 23.22 23.22 10.99 10.99 0.00 0.00 0.00 0.00 13:20:01 ens3 0.96 0.82 0.25 0.21 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 Average: lo 21.13 21.13 10.50 10.50 0.00 0.00 0.00 0.00 Average: ens3 1.08 0.88 0.26 0.33 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-13220) 05/13/26 _x86_64_ (4 CPU) 11:30:25 LINUX RESTART (4 CPU) 11:40:01 CPU %user %nice %system %iowait %steal %idle 11:50:01 all 62.32 0.00 2.37 0.18 0.12 35.01 11:50:01 0 62.12 0.00 2.33 0.29 0.12 35.14 11:50:01 1 61.84 0.00 2.50 0.16 0.12 35.38 11:50:01 2 62.43 0.00 2.31 0.20 0.13 34.93 11:50:01 3 62.86 0.00 2.34 0.09 0.12 34.59 12:00:11 all 34.28 0.00 1.37 0.34 0.11 63.90 12:00:11 0 33.91 0.00 1.41 0.64 0.11 63.94 12:00:11 1 34.65 0.00 1.28 0.25 0.11 63.69 12:00:11 2 34.43 0.00 1.39 0.32 0.11 63.75 12:00:11 3 34.11 0.00 1.40 0.14 0.11 64.23 12:10:01 all 16.09 0.00 0.79 0.18 0.09 82.85 12:10:01 0 15.31 0.00 0.79 0.21 0.08 83.61 12:10:01 1 16.07 0.00 0.78 0.12 0.09 82.95 12:10:01 2 15.61 0.00 0.75 0.20 0.09 83.34 12:10:01 3 17.35 0.00 0.85 0.20 0.09 81.51 12:20:01 all 19.29 0.00 0.66 0.05 0.08 79.92 12:20:01 0 18.26 0.00 0.64 0.07 0.08 80.95 12:20:01 1 18.99 0.00 0.66 0.04 0.08 80.22 12:20:01 2 19.69 0.00 0.63 0.03 0.09 79.56 12:20:01 3 20.22 0.00 0.70 0.05 0.08 78.95 12:30:10 all 23.63 0.00 0.80 0.10 0.09 75.39 12:30:10 0 23.74 0.00 0.86 0.10 0.08 75.22 12:30:10 1 23.56 0.00 0.92 0.07 0.09 75.36 12:30:10 2 24.46 0.00 0.67 0.15 0.09 74.63 12:30:10 3 22.75 0.00 0.75 0.06 0.09 76.34 12:40:01 all 8.65 0.00 0.45 0.08 0.07 90.74 12:40:01 0 8.61 0.00 0.47 0.08 0.07 90.78 12:40:01 1 8.28 0.00 0.44 0.11 0.08 91.10 12:40:01 2 8.91 0.00 0.51 0.08 0.08 90.42 12:40:01 3 8.82 0.00 0.39 0.04 0.08 90.67 12:50:01 all 10.35 0.00 0.47 0.06 0.08 89.04 12:50:01 0 10.17 0.00 0.52 0.15 0.08 89.08 12:50:01 1 10.63 0.00 0.52 0.02 0.08 88.74 12:50:01 2 10.18 0.00 0.49 0.05 0.07 89.22 12:50:01 3 10.44 0.00 0.34 0.04 0.07 89.11 13:00:12 all 9.66 0.00 0.48 0.02 0.09 89.75 13:00:12 0 9.74 0.00 0.48 0.01 0.08 89.68 13:00:12 1 9.79 0.00 0.44 0.00 0.09 89.68 13:00:12 2 10.32 0.00 0.57 0.02 0.09 89.00 13:00:12 3 8.79 0.00 0.44 0.04 0.09 90.64 13:10:01 all 7.39 0.00 0.45 0.03 0.08 92.05 13:10:01 0 7.03 0.00 0.40 0.04 0.08 92.45 13:10:01 1 7.73 0.00 0.50 0.02 0.08 91.67 13:10:01 2 7.33 0.00 0.45 0.02 0.09 92.11 13:10:01 3 7.47 0.00 0.44 0.03 0.08 91.98 13:20:01 all 15.83 0.00 0.58 0.03 0.09 83.46 13:20:01 0 15.90 0.00 0.56 0.04 0.08 83.41 13:20:01 1 15.67 0.00 0.58 0.06 0.09 83.59 13:20:01 2 16.26 0.00 0.61 0.02 0.09 83.03 13:20:01 3 15.49 0.00 0.59 0.02 0.09 83.82 Average: all 20.80 0.00 0.84 0.11 0.09 78.16 Average: 0 20.53 0.00 0.85 0.16 0.09 78.37 Average: 1 20.77 0.00 0.86 0.09 0.09 78.19 Average: 2 21.02 0.00 0.84 0.11 0.09 77.94 Average: 3 20.88 0.00 0.83 0.07 0.09 78.13