---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20675 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: 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 636 8879 4 6473 15010 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:64:03:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84534sec preferred_lft 84534sec inet6 fe80::f816:3eff:fe64:31c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:87:50:b5:69:3b 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-20675) 02/25/26 _x86_64_ (4 CPU) 16:09:42 LINUX RESTART (4 CPU) 16:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:00 1173.53 241.18 932.35 0.00 29247.06 21223.53 0.00 16:20:16 72.25 11.05 45.04 16.16 1392.12 9907.88 249713.58 16:30:16 25.11 0.01 22.49 2.61 0.21 2159.07 25735.12 16:40:16 23.89 0.11 21.49 2.29 11.77 9423.31 51885.66 Average: 40.91 3.83 29.98 7.10 481.79 7190.94 110365.32 16:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:00 15659936 15800168 244012 1.49 50264 337880 739124 4.51 125772 417612 11964 16:20:16 9882428 13280472 2678072 16.36 132248 3401948 2878568 16.52 655076 5462364 21140 16:30:16 9105520 13000660 2954388 18.04 152376 3840684 3048868 17.50 771340 6083020 119404 16:40:16 9102588 15372316 575484 3.51 172316 6116760 1115700 6.40 1614412 5153508 29056 Average: 10937618 14363404 1612989 9.85 126801 3424318 1945565 11.17 791650 4279126 45391 16:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:00 lo 5.88 5.88 1.89 1.89 0.00 0.00 0.00 0.00 16:10:00 ens3 11.76 2.94 2.43 0.26 0.00 0.00 0.00 0.00 16:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:16 lo 1382.75 1382.75 1311.33 1311.33 0.00 0.00 0.00 0.00 16:20:16 ens3 149.04 108.54 1294.74 21.10 0.00 0.00 0.00 0.00 16:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:16 lo 1164.13 1164.13 1108.22 1108.22 0.00 0.00 0.00 0.00 16:30:16 ens3 27.33 22.04 21.88 6.68 0.00 0.00 0.00 0.00 16:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:16 lo 683.23 683.23 7261.78 7261.78 0.00 0.00 0.00 0.00 16:40:16 ens3 38.75 31.21 105.87 33.45 0.00 0.00 0.00 0.00 16:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1079.28 1079.28 3209.16 3209.16 0.00 0.00 0.00 0.00 Average: ens3 72.40 54.41 481.51 20.41 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-20675) 02/25/26 _x86_64_ (4 CPU) 16:09:42 LINUX RESTART (4 CPU) 16:10:00 CPU %user %nice %system %iowait %steal %idle 16:10:00 all 8.40 0.00 9.92 6.11 0.76 74.81 16:10:00 0 6.67 0.00 6.67 16.67 0.00 70.00 16:10:00 1 9.38 0.00 9.38 6.25 0.00 75.00 16:10:00 2 5.71 0.00 11.43 0.00 2.86 80.00 16:10:00 3 11.76 0.00 11.76 2.94 0.00 73.53 16:20:16 all 59.32 0.00 2.73 1.20 0.13 36.63 16:20:16 0 59.42 0.00 2.69 1.77 0.13 36.00 16:20:16 1 57.92 0.00 2.44 1.01 0.13 38.51 16:20:16 2 62.56 0.00 3.10 0.69 0.14 33.51 16:20:16 3 57.39 0.00 2.68 1.31 0.13 38.49 16:30:16 all 67.44 0.00 2.37 0.18 0.13 29.88 16:30:16 0 66.79 0.00 2.51 0.22 0.13 30.35 16:30:16 1 68.05 0.00 2.52 0.10 0.13 29.20 16:30:16 2 69.06 0.00 2.15 0.12 0.13 28.54 16:30:16 3 65.88 0.00 2.30 0.26 0.13 31.42 16:40:16 all 44.35 0.00 1.74 0.40 0.11 53.40 16:40:16 0 44.55 0.00 1.70 0.25 0.11 53.41 16:40:16 1 48.31 0.00 1.69 0.41 0.10 49.48 16:40:16 2 42.26 0.00 1.94 0.80 0.11 54.89 16:40:16 3 42.28 0.00 1.66 0.14 0.11 55.81 Average: all 57.05 0.00 2.29 0.60 0.12 39.95 Average: 0 56.92 0.00 2.30 0.76 0.12 39.90 Average: 1 58.08 0.00 2.22 0.51 0.12 39.07 Average: 2 57.99 0.00 2.40 0.54 0.13 38.94 Average: 3 55.20 0.00 2.22 0.58 0.12 41.88