---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2120 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 11G 68G 14% / 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 647 10395 4 4946 14999 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:fe:48:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83107sec preferred_lft 83107sec inet6 fe80::f816:3eff:fefe:4839/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:f4:45:05:a3:23 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-2120) 01/20/26 _x86_64_ (4 CPU) 00:39:34 LINUX RESTART (4 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 12.74 6.09 6.12 0.53 1486.93 1181.07 5297.41 01:00:08 1.23 0.00 1.22 0.00 0.04 14.72 0.42 01:10:08 43.18 2.16 40.44 0.58 126.35 2136.76 1342.96 01:20:01 12.18 2.03 9.26 0.89 132.41 2590.74 2193.38 01:30:01 30.22 0.92 25.06 4.24 30.15 4749.21 3384.35 Average: 19.88 2.24 16.40 1.24 355.65 2128.03 2440.68 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 13462040 15521372 492436 3.01 59564 2224048 1124616 6.46 361300 2288260 316 01:00:08 13461908 15521552 492412 3.01 59920 2224028 1124760 6.46 361652 2292600 20 01:10:08 12899600 15523236 452760 2.77 101368 2713744 973912 5.59 495696 2657648 12056 01:20:01 10266140 13702552 2256536 13.78 132004 3435780 2536280 14.56 716400 5009768 44736 01:30:01 10692776 15396672 553928 3.38 172304 4568472 1078012 6.19 1064024 4137116 32996 Average: 12156493 15133077 849614 5.19 105032 3033214 1367516 7.85 599814 3277078 18025 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 00:50:01 ens3 31.25 19.94 245.70 2.74 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 01:00:08 ens3 1.45 0.54 0.23 0.58 0.00 0.00 0.00 0.00 01:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:08 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 01:10:08 ens3 36.73 28.07 262.90 6.66 0.00 0.00 0.00 0.00 01:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 01:20:01 ens3 86.01 71.36 547.16 17.70 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 lo 1513.84 1513.84 1442.12 1442.12 0.00 0.00 0.00 0.00 01:30:01 ens3 80.85 64.92 424.25 20.29 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 302.98 302.98 288.34 288.34 0.00 0.00 0.00 0.00 Average: ens3 47.05 36.79 294.74 9.55 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-2120) 01/20/26 _x86_64_ (4 CPU) 00:39:34 LINUX RESTART (4 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.82 0.00 0.29 0.29 0.01 98.58 00:50:01 0 1.23 0.00 0.24 0.27 0.01 98.25 00:50:01 1 0.62 0.00 0.22 0.07 0.01 99.08 00:50:01 2 0.49 0.00 0.44 0.22 0.01 98.84 00:50:01 3 0.96 0.00 0.27 0.61 0.02 98.13 01:00:08 all 0.11 0.00 0.02 0.01 0.07 99.79 01:00:08 0 0.03 0.00 0.02 0.03 0.17 99.75 01:00:08 1 0.04 0.00 0.02 0.00 0.03 99.90 01:00:08 2 0.30 0.00 0.02 0.00 0.01 99.67 01:00:08 3 0.08 0.00 0.03 0.00 0.05 99.84 01:10:08 all 2.53 0.00 0.31 0.24 0.02 96.90 01:10:08 0 1.59 0.00 0.26 0.07 0.01 98.06 01:10:08 1 1.72 0.00 0.22 0.14 0.02 97.90 01:10:08 2 4.15 0.00 0.48 0.35 0.03 94.99 01:10:08 3 2.66 0.00 0.29 0.40 0.02 96.64 01:20:01 all 59.79 0.00 1.90 0.06 0.10 38.15 01:20:01 0 59.22 0.00 1.74 0.02 0.10 38.91 01:20:01 1 58.28 0.00 2.00 0.09 0.10 39.53 01:20:01 2 59.79 0.00 1.92 0.07 0.10 38.12 01:20:01 3 61.87 0.00 1.92 0.05 0.10 36.05 01:30:01 all 68.71 0.00 2.61 0.16 0.11 28.41 01:30:01 0 70.66 0.00 2.87 0.21 0.11 26.14 01:30:01 1 68.34 0.00 2.52 0.08 0.11 28.95 01:30:01 2 69.45 0.00 2.59 0.21 0.11 27.64 01:30:01 3 66.39 0.00 2.46 0.14 0.11 30.90 Average: all 26.19 0.00 1.02 0.15 0.06 72.58 Average: 0 26.32 0.00 1.02 0.12 0.08 72.46 Average: 1 25.60 0.00 0.99 0.08 0.06 73.28 Average: 2 26.65 0.00 1.08 0.17 0.05 72.05 Average: 3 26.19 0.00 0.99 0.24 0.06 72.52