---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4529 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 18G 61G 23% / 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 728 10888 3 4371 14918 Swap: 1023 8 1015 ---> 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:80:13:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80810sec preferred_lft 80810sec inet6 fe80::f816:3eff:fe80:13dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:63:4b:50:eb:95 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-16g-4529) 01/26/26 _x86_64_ (4 CPU) 12:04:52 LINUX RESTART (4 CPU) 12:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:05 116.67 3.12 95.35 18.20 143.08 30667.45 224131.87 12:30:01 54.34 22.31 30.33 1.70 206.02 2070.04 2811.10 12:40:05 18.51 0.21 17.51 0.79 9.23 477.04 412.22 12:50:05 4.78 0.03 4.59 0.16 1.19 130.64 61.27 13:00:05 7.51 0.06 7.12 0.34 2.97 214.05 132.99 13:10:05 4.92 0.01 4.81 0.10 0.36 130.29 354.43 13:20:05 4.72 0.02 4.51 0.19 0.57 96.93 52.60 13:30:05 9.82 0.09 9.28 0.45 3.12 584.90 538.31 Average: 27.69 3.21 21.73 2.75 45.74 4311.91 28683.50 12:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:05 2109764 6527820 9399504 57.41 255444 4053104 11235572 64.49 2103988 11484604 27360 12:30:01 7803168 11300040 4634508 28.31 263796 3204116 5382020 30.89 1963788 6009496 5056 12:40:05 8439408 11994512 3941588 24.07 267572 3258444 5097608 29.26 1976412 5393800 5916 12:50:05 7703724 11270792 4665428 28.49 268268 3269716 5327336 30.58 1977972 6122380 332 13:00:05 6361252 9956720 5979164 36.52 269260 3297120 6732916 38.65 1981980 7448816 248 13:10:05 9113580 12726168 3210948 19.61 269580 3313920 4372460 25.10 1984952 4702440 372 13:20:05 9509288 13141192 2795944 17.08 270300 3332516 4209024 24.16 1987476 4316280 12668 13:30:05 7638092 11389232 4546864 27.77 274216 3443172 5188504 29.78 2005048 6157192 304 Average: 7334784 11038310 4896744 29.91 267304 3396514 5943180 34.11 1997702 6454376 6532 12:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:05 lo 12.85 12.85 11.95 11.95 0.00 0.00 0.00 0.00 12:20:05 ens3 62.66 49.25 942.72 5.36 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 44.47 44.47 21.26 21.26 0.00 0.00 0.00 0.00 12:30:01 ens3 2.39 2.08 0.55 1.35 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:05 lo 26.39 26.39 11.32 11.32 0.00 0.00 0.00 0.00 12:40:05 ens3 1.24 0.83 0.26 0.20 0.00 0.00 0.00 0.00 12:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:05 lo 20.04 20.04 9.74 9.74 0.00 0.00 0.00 0.00 12:50:05 ens3 0.81 0.69 0.18 0.14 0.00 0.00 0.00 0.00 12:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:05 lo 28.55 28.55 11.15 11.15 0.00 0.00 0.00 0.00 13:00:05 ens3 0.70 0.54 0.15 0.11 0.00 0.00 0.00 0.00 13:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:05 lo 14.85 14.85 6.36 6.36 0.00 0.00 0.00 0.00 13:10:05 ens3 0.66 0.53 0.17 0.13 0.00 0.00 0.00 0.00 13:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:05 lo 17.84 17.84 10.55 10.55 0.00 0.00 0.00 0.00 13:20:05 ens3 0.75 0.64 0.16 0.13 0.00 0.00 0.00 0.00 13:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:05 lo 19.20 19.20 10.48 10.48 0.00 0.00 0.00 0.00 13:30:05 ens3 1.18 0.90 0.35 0.27 0.00 0.00 0.00 0.00 13:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.00 23.00 11.59 11.59 0.00 0.00 0.00 0.00 Average: ens3 8.83 6.96 118.59 0.96 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-16g-4529) 01/26/26 _x86_64_ (4 CPU) 12:04:52 LINUX RESTART (4 CPU) 12:10:02 CPU %user %nice %system %iowait %steal %idle 12:20:05 all 55.57 0.00 2.65 0.36 0.10 41.32 12:20:05 0 54.54 0.00 2.70 0.32 0.09 42.35 12:20:05 1 56.09 0.00 2.68 0.34 0.10 40.78 12:20:05 2 56.42 0.00 2.67 0.46 0.10 40.35 12:20:05 3 55.22 0.00 2.57 0.32 0.10 41.79 12:30:01 all 55.56 0.00 2.22 0.08 0.10 42.04 12:30:01 0 55.66 0.00 2.38 0.04 0.11 41.81 12:30:01 1 55.92 0.00 2.21 0.10 0.10 41.67 12:30:01 2 55.05 0.00 2.00 0.12 0.10 42.73 12:30:01 3 55.60 0.00 2.30 0.05 0.10 41.96 12:40:05 all 32.06 0.00 1.37 0.06 0.10 66.40 12:40:05 0 31.70 0.00 1.37 0.02 0.10 66.80 12:40:05 1 32.77 0.00 1.35 0.04 0.10 65.74 12:40:05 2 32.09 0.00 1.38 0.14 0.10 66.29 12:40:05 3 31.67 0.00 1.40 0.04 0.10 66.79 12:50:05 all 10.06 0.00 0.58 0.02 0.08 89.26 12:50:05 0 10.23 0.00 0.55 0.04 0.08 89.10 12:50:05 1 10.35 0.00 0.63 0.01 0.08 88.93 12:50:05 2 10.54 0.00 0.59 0.02 0.08 88.77 12:50:05 3 9.11 0.00 0.54 0.03 0.08 90.24 13:00:05 all 15.89 0.00 0.67 0.21 0.08 83.15 13:00:05 0 15.10 0.00 0.58 0.05 0.08 84.19 13:00:05 1 16.39 0.00 0.72 0.77 0.09 82.03 13:00:05 2 15.92 0.00 0.69 0.02 0.09 83.28 13:00:05 3 16.13 0.00 0.68 0.01 0.08 83.09 13:10:05 all 6.76 0.00 0.50 0.02 0.08 92.64 13:10:05 0 6.38 0.00 0.47 0.01 0.08 93.06 13:10:05 1 7.25 0.00 0.58 0.01 0.09 92.07 13:10:05 2 6.80 0.00 0.56 0.02 0.08 92.53 13:10:05 3 6.60 0.00 0.42 0.03 0.07 92.88 13:20:05 all 9.64 0.00 0.54 0.02 0.10 89.70 13:20:05 0 9.55 0.00 0.54 0.03 0.10 89.79 13:20:05 1 9.79 0.00 0.61 0.02 0.10 89.49 13:20:05 2 9.79 0.00 0.49 0.02 0.10 89.61 13:20:05 3 9.45 0.00 0.52 0.01 0.10 89.92 13:30:05 all 16.15 0.00 0.61 0.04 0.10 83.10 13:30:05 0 15.97 0.00 0.44 0.03 0.09 83.48 13:30:05 1 16.51 0.00 0.62 0.08 0.10 82.70 13:30:05 2 16.11 0.00 0.66 0.04 0.10 83.10 13:30:05 3 16.02 0.00 0.74 0.03 0.09 83.13 Average: all 25.19 0.00 1.14 0.10 0.09 73.47 Average: 0 24.88 0.00 1.13 0.07 0.09 73.84 Average: 1 25.61 0.00 1.17 0.17 0.09 72.95 Average: 2 25.32 0.00 1.13 0.10 0.09 73.35 Average: 3 24.96 0.00 1.14 0.06 0.09 73.74