---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19328 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 724 10866 4 4399 14922 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:0c:5d:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79813sec preferred_lft 79813sec inet6 fe80::f816:3eff:fe0c:5d77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:00:52:ea:8b:fe 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-19328) 02/20/26 _x86_64_ (4 CPU) 13:09:07 LINUX RESTART (4 CPU) 13:10:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:00 108.73 4.56 99.14 5.03 627.03 37257.08 10962.61 13:30:01 68.30 25.23 40.69 2.39 396.93 5027.30 2854.85 13:40:26 17.58 0.22 16.42 0.93 11.08 470.92 945.42 13:50:27 10.21 0.02 9.69 0.49 2.06 545.85 419.06 14:00:01 35.82 0.08 18.76 16.99 2.29 606.23 221146.56 14:10:28 7.21 0.01 6.94 0.25 0.93 206.56 624.40 14:20:14 7.91 0.02 7.57 0.32 1.43 251.64 145.04 14:30:01 3.04 0.00 3.04 0.01 0.00 54.79 0.08 14:40:30 4.97 0.00 4.79 0.18 0.42 148.50 73.13 14:50:31 12.01 0.16 11.32 0.53 5.33 668.98 147.88 Average: 26.98 3.01 21.35 2.62 101.63 4333.07 22725.53 13:10:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:00 4550904 15237616 687732 4.20 244692 10214524 1440640 8.27 2040900 9014436 227004 13:30:01 2529548 5722212 10213444 62.38 263576 2938992 10891736 62.52 2110804 11180528 452 13:40:26 3141612 6363944 9572212 58.46 266032 2966156 10939112 62.79 2146580 10529088 428 13:50:27 8888812 12214536 3725232 22.75 269980 3061648 4471860 25.67 2177540 4773444 48 14:00:01 9515640 12925188 3015068 18.41 273344 3141980 3705136 21.27 2207616 4126036 112 14:10:28 7785144 11223256 4715924 28.80 274112 3169728 5452084 31.29 2209548 5846292 96 14:20:14 6935172 10409304 5529548 33.77 275068 3204792 6501368 37.32 2212816 6690700 252 14:30:01 6309848 9786420 6151812 37.57 275428 3206840 6827444 39.19 2213172 7312640 60 14:40:30 11770188 15288664 652176 3.98 276040 3248152 1334532 7.66 2217856 1835824 20708 14:50:31 7600788 11248200 4690700 28.65 280516 3366544 5327336 30.58 2234624 6000080 56 Average: 6902766 11041934 4895385 29.90 269879 3851936 5689125 32.66 2177146 6730907 24922 13:10:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:00 lo 2.96 2.96 2.46 2.46 0.00 0.00 0.00 0.00 13:20:00 ens3 146.02 110.63 2050.53 11.71 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 26.33 26.33 18.97 18.97 0.00 0.00 0.00 0.00 13:30:01 ens3 1.73 1.44 0.40 0.34 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 13:40:26 lo 39.01 39.01 16.86 16.86 0.00 0.00 0.00 0.00 13:40:26 ens3 1.40 1.13 0.29 0.24 0.00 0.00 0.00 0.00 13:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:27 lo 21.04 21.04 9.30 9.30 0.00 0.00 0.00 0.00 13:50:27 ens3 0.85 0.56 0.20 0.15 0.00 0.00 0.00 0.00 13:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 12.84 12.84 7.16 7.16 0.00 0.00 0.00 0.00 14:00:01 ens3 1.06 0.83 0.26 0.21 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 14:10:28 lo 19.54 19.54 9.30 9.30 0.00 0.00 0.00 0.00 14:10:28 ens3 1.37 1.34 0.33 1.39 0.00 0.00 0.00 0.00 14:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:14 lo 27.83 27.83 10.54 10.54 0.00 0.00 0.00 0.00 14:20:14 ens3 0.61 0.42 0.11 0.08 0.00 0.00 0.00 0.00 14:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 16.46 16.46 7.44 7.44 0.00 0.00 0.00 0.00 14:30:01 ens3 0.57 0.38 0.12 0.08 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:30 lo 17.27 17.27 10.25 10.25 0.00 0.00 0.00 0.00 14:40:30 ens3 0.78 0.55 0.20 0.14 0.00 0.00 0.00 0.00 14:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:31 lo 18.09 18.09 10.03 10.03 0.00 0.00 0.00 0.00 14:50:31 ens3 0.96 0.82 0.25 0.20 0.00 0.00 0.00 0.00 14:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.31 20.31 10.31 10.31 0.00 0.00 0.00 0.00 Average: ens3 14.79 11.25 194.70 1.40 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-19328) 02/20/26 _x86_64_ (4 CPU) 13:09:07 LINUX RESTART (4 CPU) 13:10:31 CPU %user %nice %system %iowait %steal %idle 13:20:00 all 41.72 0.00 2.44 1.91 0.09 53.84 13:20:00 0 39.40 0.00 2.62 3.24 0.08 54.65 13:20:00 1 42.84 0.00 2.41 1.28 0.09 53.37 13:20:00 2 44.44 0.00 2.26 1.23 0.09 51.98 13:20:00 3 40.22 0.00 2.47 1.88 0.08 55.33 13:30:01 all 53.03 0.00 2.09 0.13 0.12 44.64 13:30:01 0 54.37 0.00 2.06 0.11 0.11 43.34 13:30:01 1 52.39 0.00 2.05 0.14 0.12 45.30 13:30:01 2 53.47 0.00 2.12 0.08 0.11 44.22 13:30:01 3 51.89 0.00 2.12 0.18 0.12 45.69 13:40:26 all 36.19 0.00 1.41 0.06 0.11 62.23 13:40:26 0 36.03 0.00 1.51 0.08 0.10 62.27 13:40:26 1 36.86 0.00 1.42 0.07 0.10 61.55 13:40:26 2 36.18 0.00 1.34 0.03 0.11 62.34 13:40:26 3 35.69 0.00 1.38 0.06 0.11 62.76 13:50:27 all 16.49 0.00 0.72 0.05 0.07 82.67 13:50:27 0 15.91 0.00 0.80 0.05 0.07 83.17 13:50:27 1 16.58 0.00 0.68 0.10 0.07 82.57 13:50:27 2 17.55 0.00 0.76 0.03 0.07 81.58 13:50:27 3 15.92 0.00 0.62 0.02 0.07 83.37 14:00:01 all 29.29 0.00 0.96 0.09 0.08 69.59 14:00:01 0 29.06 0.00 1.07 0.05 0.08 69.74 14:00:01 1 29.11 0.00 0.97 0.17 0.08 69.67 14:00:01 2 29.96 0.00 0.89 0.08 0.08 68.99 14:00:01 3 29.01 0.00 0.91 0.04 0.08 69.96 14:10:28 all 13.33 0.00 0.58 0.03 0.06 86.00 14:10:28 0 12.86 0.00 0.50 0.06 0.06 86.53 14:10:28 1 13.83 0.00 0.66 0.01 0.06 85.44 14:10:28 2 13.78 0.00 0.53 0.02 0.06 85.61 14:10:28 3 12.85 0.00 0.64 0.02 0.06 86.43 14:20:14 all 14.36 0.00 0.67 0.04 0.06 84.88 14:20:14 0 14.36 0.00 0.60 0.06 0.06 84.93 14:20:14 1 13.84 0.00 0.66 0.04 0.06 85.40 14:20:14 2 14.24 0.00 0.70 0.01 0.06 85.00 14:20:14 3 15.00 0.00 0.71 0.04 0.06 84.20 14:30:01 all 4.01 0.00 0.37 0.02 0.05 95.55 14:30:01 0 3.69 0.00 0.33 0.04 0.05 95.90 14:30:01 1 4.10 0.00 0.43 0.02 0.06 95.39 14:30:01 2 4.41 0.00 0.38 0.01 0.06 95.14 14:30:01 3 3.83 0.00 0.34 0.00 0.05 95.77 14:40:30 all 9.57 0.00 0.44 0.02 0.06 89.91 14:40:30 0 9.42 0.00 0.45 0.01 0.06 90.05 14:40:30 1 9.81 0.00 0.44 0.02 0.06 89.68 14:40:30 2 9.82 0.00 0.45 0.04 0.06 89.63 14:40:30 3 9.23 0.00 0.40 0.02 0.05 90.29 14:50:31 all 19.52 0.00 0.69 0.05 0.06 79.68 14:50:31 0 20.73 0.00 0.79 0.04 0.07 78.37 14:50:31 1 19.24 0.00 0.62 0.03 0.07 80.05 14:50:31 2 18.81 0.00 0.71 0.04 0.06 80.38 14:50:31 3 19.31 0.00 0.61 0.09 0.07 79.92 Average: all 23.62 0.00 1.03 0.23 0.08 75.05 Average: 0 23.48 0.00 1.06 0.36 0.07 75.03 Average: 1 23.73 0.00 1.03 0.18 0.08 74.98 Average: 2 24.12 0.00 1.01 0.15 0.08 74.65 Average: 3 23.16 0.00 1.01 0.22 0.07 75.52