---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8919 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 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 628 9117 4 6243 15018 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:8a:0b:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82700sec preferred_lft 82700sec inet6 fe80::f816:3eff:fe8a:b5d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:f4:ba:14:5b:d9 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-4g-8919) 02/09/26 _x86_64_ (4 CPU) 10:05:19 LINUX RESTART (4 CPU) 10:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:18 3.26 0.08 2.99 0.19 3.75 248.20 233.36 10:30:35 1.20 0.00 1.19 0.00 0.04 14.12 0.18 10:40:07 35.67 2.29 19.35 14.04 134.38 2106.41 255899.00 10:50:06 30.58 2.95 24.82 2.81 161.46 3458.76 17901.35 11:00:06 32.45 0.02 28.98 3.45 0.40 2651.98 43904.18 Average: 20.31 1.04 15.30 3.97 58.74 1676.31 61209.80 10:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:18 13738948 15528788 487672 2.98 56132 1959744 1136740 6.52 201796 2188112 36 10:30:35 13738252 15528532 488044 2.98 56536 1959740 1135844 6.52 202224 2188520 176 10:40:07 13156504 15503160 478476 2.92 94576 2448124 979164 5.62 322880 2569004 344 10:50:06 9780012 13044924 2914396 17.80 133452 3273172 2991268 17.17 663548 5555808 20128 11:00:06 8616800 12543880 3411076 20.83 154516 3871080 3484168 20.00 801912 6541548 203528 Average: 11806103 14429857 1555933 9.50 99042 2702372 1945437 11.17 438472 3808598 44842 10:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:18 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 10:20:18 ens3 5.17 2.78 81.69 0.25 0.00 0.00 0.00 0.00 10:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:35 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:35 ens3 0.17 0.08 0.04 0.02 0.00 0.00 0.00 0.00 10:30:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:07 lo 0.28 0.28 0.04 0.04 0.00 0.00 0.00 0.00 10:40:07 ens3 41.16 30.14 288.81 7.41 0.00 0.00 0.00 0.00 10:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:06 lo 1249.86 1249.86 1182.95 1182.95 0.00 0.00 0.00 0.00 10:50:06 ens3 109.06 84.00 773.92 18.40 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:06 lo 1430.90 1430.90 1362.80 1362.80 0.00 0.00 0.00 0.00 11:00:06 ens3 47.26 37.87 56.89 13.41 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 535.82 535.82 508.75 508.75 0.00 0.00 0.00 0.00 Average: ens3 40.17 30.68 237.70 7.82 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-4g-8919) 02/09/26 _x86_64_ (4 CPU) 10:05:19 LINUX RESTART (4 CPU) 10:10:07 CPU %user %nice %system %iowait %steal %idle 10:20:18 all 0.14 0.00 0.07 0.36 0.01 99.43 10:20:18 0 0.08 0.00 0.08 0.20 0.01 99.64 10:20:18 1 0.12 0.00 0.08 0.65 0.01 99.14 10:20:18 2 0.26 0.00 0.06 0.47 0.01 99.21 10:20:18 3 0.09 0.00 0.05 0.11 0.00 99.74 10:30:35 all 0.14 0.00 0.02 0.02 0.01 99.82 10:30:35 0 0.02 0.00 0.01 0.04 0.01 99.92 10:30:35 1 0.04 0.00 0.04 0.00 0.01 99.90 10:30:35 2 0.02 0.00 0.02 0.02 0.01 99.94 10:30:35 3 0.47 0.00 0.02 0.00 0.01 99.50 10:40:07 all 2.49 0.00 0.30 0.43 0.02 96.77 10:40:07 0 1.41 0.00 0.19 0.06 0.02 98.32 10:40:07 1 4.16 0.00 0.46 0.56 0.03 94.80 10:40:07 2 2.30 0.00 0.31 0.83 0.03 96.53 10:40:07 3 2.07 0.00 0.23 0.26 0.02 97.42 10:50:06 all 56.83 0.00 2.24 0.10 0.09 40.73 10:50:06 0 55.96 0.00 2.14 0.09 0.09 41.72 10:50:06 1 57.18 0.00 2.14 0.12 0.10 40.47 10:50:06 2 56.55 0.00 2.39 0.08 0.10 40.88 10:50:06 3 57.62 0.00 2.29 0.13 0.09 39.86 11:00:06 all 62.97 0.00 2.56 0.13 0.10 34.24 11:00:06 0 63.18 0.00 2.32 0.11 0.11 34.28 11:00:06 1 62.95 0.00 2.91 0.16 0.11 33.88 11:00:06 2 63.06 0.00 2.66 0.15 0.10 34.03 11:00:06 3 62.71 0.00 2.34 0.08 0.10 34.77 Average: all 24.43 0.00 1.03 0.20 0.05 74.29 Average: 0 24.05 0.00 0.95 0.10 0.04 74.86 Average: 1 24.79 0.00 1.12 0.29 0.05 73.75 Average: 2 24.36 0.00 1.08 0.30 0.05 74.21 Average: 3 24.51 0.00 0.98 0.11 0.05 74.35