---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21225 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 665 8857 4 6465 14981 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:b0:73:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83348sec preferred_lft 83348sec inet6 fe80::f816:3eff:feb0:73f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:0a:ed:6d:e5:b1 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-21225) 02/26/26 _x86_64_ (4 CPU) 11:27:31 LINUX RESTART (4 CPU) 11:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:07 3.09 0.08 2.84 0.18 3.51 232.46 234.41 11:50:01 40.82 2.70 37.52 0.60 138.94 2274.84 1478.81 12:00:11 29.91 2.39 24.70 2.83 143.70 4060.08 13714.46 12:10:11 32.19 0.00 28.99 3.20 0.08 2460.36 31931.39 Average: 26.44 1.29 23.44 1.71 71.57 2260.74 11852.03 11:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:07 13732044 15515584 501108 3.06 55852 1953828 1129348 6.48 201428 2192248 208 11:50:01 12262264 14944244 1024292 6.26 104232 2762444 1497628 8.60 365744 3411024 305564 12:00:11 9602272 13084072 2874304 17.56 135388 3474108 2798108 16.06 680880 5703092 16296 12:10:11 8470012 12560836 3393516 20.73 158060 4019708 3250700 18.66 827616 6646688 213040 Average: 11016648 14026184 1948305 11.90 113383 3052522 2168946 12.45 518917 4488263 133777 11:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:07 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 11:40:07 ens3 4.31 1.93 82.12 0.25 0.00 0.00 0.00 0.00 11:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 0.28 0.28 0.04 0.04 0.00 0.00 0.00 0.00 11:50:01 ens3 77.74 57.89 700.78 10.33 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 1552.19 1552.19 1472.92 1472.92 0.00 0.00 0.00 0.00 12:00:11 ens3 65.48 53.37 483.89 11.04 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 12:10:11 lo 1587.75 1587.75 1512.29 1512.29 0.00 0.00 0.00 0.00 12:10:11 ens3 20.87 19.12 20.04 6.12 0.00 0.00 0.00 0.00 12:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 788.79 788.79 749.82 749.82 0.00 0.00 0.00 0.00 Average: ens3 42.04 33.04 321.02 6.93 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-21225) 02/26/26 _x86_64_ (4 CPU) 11:27:31 LINUX RESTART (4 CPU) 11:30:02 CPU %user %nice %system %iowait %steal %idle 11:40:07 all 0.29 0.00 0.06 0.04 0.01 99.59 11:40:07 0 0.08 0.00 0.05 0.10 0.01 99.76 11:40:07 1 0.15 0.00 0.07 0.05 0.02 99.72 11:40:07 2 0.67 0.00 0.07 0.01 0.01 99.24 11:40:07 3 0.25 0.00 0.07 0.03 0.01 99.65 11:50:01 all 5.29 0.00 0.46 0.33 0.02 93.89 11:50:01 0 4.52 0.00 0.42 0.24 0.02 94.80 11:50:01 1 5.71 0.00 0.49 0.16 0.03 93.61 11:50:01 2 7.64 0.00 0.47 0.15 0.02 91.71 11:50:01 3 3.29 0.00 0.47 0.78 0.02 95.45 12:00:11 all 69.78 0.00 2.41 0.76 0.11 26.94 12:00:11 0 70.00 0.00 2.06 0.14 0.11 27.69 12:00:11 1 69.49 0.00 2.59 2.53 0.11 25.28 12:00:11 2 70.32 0.00 2.61 0.22 0.11 26.75 12:00:11 3 69.33 0.00 2.38 0.15 0.11 28.03 12:10:11 all 63.71 0.00 2.49 0.19 0.10 33.50 12:10:11 0 62.52 0.00 2.37 0.20 0.10 34.82 12:10:11 1 64.23 0.00 2.85 0.13 0.10 32.70 12:10:11 2 65.14 0.00 2.55 0.18 0.10 32.02 12:10:11 3 62.97 0.00 2.19 0.26 0.10 34.48 Average: all 34.86 0.00 1.36 0.33 0.06 63.39 Average: 0 34.40 0.00 1.23 0.17 0.06 64.15 Average: 1 35.00 0.00 1.50 0.72 0.06 62.71 Average: 2 35.99 0.00 1.43 0.14 0.06 62.38 Average: 3 34.05 0.00 1.28 0.30 0.06 64.31