---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6388 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 12G 66G 16% / 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 663 8731 4 6594 14983 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:73:a7:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83213sec preferred_lft 83213sec inet6 fe80::f816:3eff:fe73:a7c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:63:0a:0d:77:70 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6388) 03/20/26 _x86_64_ (4 CPU) 09:57:54 LINUX RESTART (4 CPU) 10:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:17 3.07 0.24 2.68 0.15 204.90 274.81 442.73 10:20:17 1.45 0.01 1.44 0.00 0.19 16.71 0.00 10:30:00 62.53 5.28 54.27 2.98 297.28 6088.39 4229.67 10:40:00 26.07 0.02 23.40 2.65 0.27 2304.87 9212.72 10:50:01 20.36 0.03 18.82 1.51 0.40 8470.47 7845.18 Average: 22.41 1.09 19.87 1.44 99.81 3406.10 4335.13 10:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:17 13674380 15542464 474900 2.90 56212 2037616 1135932 6.52 257268 2199740 12 10:20:17 13673624 15542384 474944 2.90 56820 2037668 1135932 6.52 257872 2200100 12 10:30:00 9980784 13472688 2486672 15.19 133904 3492364 2896868 16.63 691648 5333764 24872 10:40:00 8448492 12558820 3396304 20.74 156540 4044844 3428348 19.68 851076 6652728 202408 10:50:01 9070672 15453756 494364 3.02 173892 6224884 989176 5.68 1667220 5118764 141196 Average: 10969590 14514022 1465437 8.95 115474 3567475 1917251 11.01 745017 4301019 73700 10:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:17 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 10:10:17 ens3 4.12 1.53 57.53 0.14 0.00 0.00 0.00 0.00 10:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:17 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 10:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:00 lo 1364.14 1364.14 1293.99 1293.99 0.00 0.00 0.00 0.00 10:30:00 ens3 144.89 109.09 1244.87 19.91 0.00 0.00 0.00 0.00 10:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 1143.91 1143.91 1089.71 1089.71 0.00 0.00 0.00 0.00 10:40:00 ens3 24.20 21.26 38.50 6.77 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 759.39 759.39 7333.25 7333.25 0.00 0.00 0.00 0.00 10:50:01 ens3 31.19 27.02 104.70 7.44 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 Average: lo 647.43 647.43 1941.33 1941.33 0.00 0.00 0.00 0.00 Average: ens3 40.20 31.26 282.86 6.76 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-4g-6388) 03/20/26 _x86_64_ (4 CPU) 09:57:54 LINUX RESTART (4 CPU) 10:00:07 CPU %user %nice %system %iowait %steal %idle 10:10:17 all 0.20 0.00 0.06 0.27 0.02 99.45 10:10:17 0 0.17 0.00 0.07 0.06 0.03 99.68 10:10:17 1 0.47 0.00 0.07 0.75 0.02 98.69 10:10:17 2 0.08 0.00 0.08 0.18 0.01 99.65 10:10:17 3 0.07 0.00 0.04 0.10 0.01 99.77 10:20:17 all 0.08 0.00 0.03 0.03 0.02 99.84 10:20:17 0 0.03 0.00 0.03 0.00 0.02 99.93 10:20:17 1 0.23 0.00 0.04 0.00 0.02 99.70 10:20:17 2 0.02 0.00 0.03 0.13 0.01 99.81 10:20:17 3 0.03 0.00 0.03 0.00 0.01 99.94 10:30:00 all 53.99 0.00 2.47 0.95 0.10 42.49 10:30:00 0 56.94 0.00 2.64 0.69 0.10 39.63 10:30:00 1 52.80 0.00 2.61 0.35 0.10 44.13 10:30:00 2 54.26 0.00 2.47 2.38 0.10 40.78 10:30:00 3 51.96 0.00 2.15 0.36 0.10 45.43 10:40:00 all 65.85 0.00 2.36 0.13 0.12 31.54 10:40:00 0 64.21 0.00 2.29 0.11 0.12 33.27 10:40:00 1 67.87 0.00 2.58 0.11 0.11 29.32 10:40:00 2 65.46 0.00 2.33 0.24 0.12 31.85 10:40:00 3 65.88 0.00 2.23 0.06 0.12 31.72 10:50:01 all 45.20 0.00 1.63 0.81 0.09 52.26 10:50:01 0 45.41 0.00 1.78 1.47 0.09 51.25 10:50:01 1 43.66 0.00 1.78 0.43 0.09 54.05 10:50:01 2 47.01 0.00 1.58 0.86 0.09 50.46 10:50:01 3 44.74 0.00 1.38 0.50 0.09 53.29 Average: all 32.81 0.00 1.30 0.44 0.07 65.39 Average: 0 33.09 0.00 1.35 0.46 0.07 65.03 Average: 1 32.77 0.00 1.40 0.33 0.07 65.43 Average: 2 33.09 0.00 1.28 0.75 0.06 64.81 Average: 3 32.28 0.00 1.15 0.21 0.06 66.29