---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-24008 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 18G 60G 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 718 11374 3 3896 14928 Swap: 1023 1 1022 ---> 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:e9:ad:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79916sec preferred_lft 79916sec inet6 fe80::f816:3eff:fee9:ad2c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:af:53:67:01:ad 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 inet6 fe80::9caf:53ff:fe67:1ad/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-24008) 02/28/26 _x86_64_ (4 CPU) 04:41:34 LINUX RESTART (4 CPU) 04:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:00:18 80.08 28.00 49.11 2.97 385.85 5371.44 4351.96 05:10:01 11.08 0.63 9.97 0.48 21.40 284.80 333.60 05:20:18 22.64 0.26 7.20 15.19 12.31 274.22 205486.90 05:30:18 22.11 0.06 21.13 0.92 1.87 912.01 504.90 05:40:01 8.40 0.22 7.87 0.32 9.56 235.11 306.30 05:50:02 5.10 0.04 4.87 0.19 1.84 144.58 99.71 06:00:18 5.80 0.01 5.63 0.16 0.73 158.39 72.14 06:10:01 6.29 0.04 6.04 0.21 2.09 174.41 548.13 06:20:18 11.47 0.02 10.91 0.54 1.21 664.10 370.57 Average: 19.26 3.25 13.64 2.38 48.48 914.52 24192.81 04:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:00:18 1460376 4095308 11840092 72.31 258612 2413112 13400528 76.92 1979788 12405124 604 05:10:01 4282224 6941576 8995252 54.94 259808 2436552 9712396 55.75 1997692 9560876 332 05:20:18 12548364 15323732 618588 3.78 265872 2546476 1352200 7.76 2016780 1310448 83540 05:30:18 10151700 13015168 2926472 17.87 269744 2630696 3751356 21.53 2043092 3680184 208 05:40:01 8551248 11447764 4492628 27.44 270700 2662800 5202432 29.86 2045776 5258812 304 05:50:02 12379704 15314736 627516 3.83 271224 2700780 1353788 7.77 2048724 1438724 18624 06:00:18 6873536 9811324 6128292 37.43 271944 2702804 6883268 39.51 2049628 6937876 128 06:10:01 6949768 9910240 6029256 36.82 272616 2724816 6800276 39.03 2053364 6861496 284 06:20:18 8258808 11364060 4576340 27.95 276948 2865356 5237284 30.06 2069460 5547640 76 Average: 7939525 10802656 5137160 31.38 268608 2631488 5965948 34.24 2033812 5889020 11567 04:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:00:18 lo 35.12 35.12 22.38 22.38 0.00 0.00 0.00 0.00 05:00:18 ens3 2.30 2.10 0.68 0.58 0.00 0.00 0.00 0.00 05:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 lo 40.09 40.09 15.89 15.89 0.00 0.00 0.00 0.00 05:10:01 ens3 1.14 0.93 0.28 0.23 0.00 0.00 0.00 0.00 05:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:18 lo 12.54 12.54 7.00 7.00 0.00 0.00 0.00 0.00 05:20:18 ens3 0.91 0.90 0.21 1.11 0.00 0.00 0.00 0.00 05:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:18 lo 12.57 12.57 6.75 6.75 0.00 0.00 0.00 0.00 05:30:18 ens3 1.04 0.82 0.24 0.19 0.00 0.00 0.00 0.00 05:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 20.23 20.23 10.25 10.25 0.00 0.00 0.00 0.00 05:40:01 ens3 0.85 0.65 0.20 0.15 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:02 lo 28.44 28.44 10.04 10.04 0.00 0.00 0.00 0.00 05:50:02 ens3 0.57 0.41 0.11 0.08 0.00 0.00 0.00 0.00 05:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:18 lo 16.35 16.35 8.38 8.38 0.00 0.00 0.00 0.00 06:00:18 ens3 0.59 0.44 0.12 0.09 0.00 0.00 0.00 0.00 06:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 lo 14.87 14.87 9.31 9.31 0.00 0.00 0.00 0.00 06:10:01 ens3 0.62 0.50 0.15 0.12 0.00 0.00 0.00 0.00 06:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:18 lo 19.75 19.75 10.61 10.61 0.00 0.00 0.00 0.00 06:20:18 ens3 0.93 0.80 0.24 0.20 0.00 0.00 0.00 0.00 06:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.14 22.14 11.15 11.15 0.00 0.00 0.00 0.00 Average: ens3 0.99 0.84 0.25 0.31 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-16g-24008) 02/28/26 _x86_64_ (4 CPU) 04:41:34 LINUX RESTART (4 CPU) 04:50:18 CPU %user %nice %system %iowait %steal %idle 05:00:18 all 63.61 0.00 2.35 0.13 0.10 33.81 05:00:18 0 64.46 0.00 2.32 0.23 0.10 32.88 05:00:18 1 63.24 0.00 2.52 0.11 0.11 34.01 05:00:18 2 63.89 0.00 2.19 0.08 0.10 33.74 05:00:18 3 62.83 0.00 2.36 0.11 0.10 34.60 05:10:01 all 22.33 0.00 1.02 0.04 0.10 76.52 05:10:01 0 22.35 0.00 0.92 0.02 0.09 76.62 05:10:01 1 22.39 0.00 1.15 0.04 0.10 76.31 05:10:01 2 22.67 0.00 1.08 0.04 0.10 76.12 05:10:01 3 21.90 0.00 0.91 0.05 0.10 77.03 05:20:18 all 16.32 0.00 0.80 0.06 0.09 82.73 05:20:18 0 16.06 0.00 0.76 0.10 0.08 83.00 05:20:18 1 15.47 0.00 0.78 0.10 0.09 83.56 05:20:18 2 16.42 0.00 0.72 0.02 0.09 82.74 05:20:18 3 17.32 0.00 0.95 0.02 0.08 81.63 05:30:18 all 31.19 0.00 1.02 0.07 0.09 67.63 05:30:18 0 30.73 0.00 1.00 0.09 0.09 68.09 05:30:18 1 30.73 0.00 0.98 0.05 0.09 68.15 05:30:18 2 31.10 0.00 1.05 0.05 0.09 67.71 05:30:18 3 32.21 0.00 1.06 0.07 0.09 66.57 05:40:01 all 14.69 0.00 0.61 0.03 0.09 84.58 05:40:01 0 14.51 0.00 0.59 0.01 0.08 84.81 05:40:01 1 14.13 0.00 0.61 0.01 0.09 85.16 05:40:01 2 14.87 0.00 0.62 0.08 0.09 84.34 05:40:01 3 15.23 0.00 0.61 0.04 0.09 84.03 05:50:02 all 8.58 0.00 0.52 0.02 0.08 90.80 05:50:02 0 8.60 0.00 0.58 0.05 0.09 90.68 05:50:02 1 8.34 0.00 0.56 0.02 0.09 90.98 05:50:02 2 8.81 0.00 0.45 0.00 0.08 90.65 05:50:02 3 8.55 0.00 0.49 0.01 0.08 90.87 06:00:18 all 9.31 0.00 0.43 0.03 0.09 90.14 06:00:18 0 8.87 0.00 0.41 0.03 0.08 90.62 06:00:18 1 9.43 0.00 0.43 0.06 0.09 89.99 06:00:18 2 9.45 0.00 0.40 0.01 0.09 90.06 06:00:18 3 9.50 0.00 0.49 0.02 0.09 89.90 06:10:01 all 9.64 0.00 0.48 0.02 0.09 89.76 06:10:01 0 9.32 0.00 0.42 0.01 0.09 90.16 06:10:01 1 9.56 0.00 0.48 0.05 0.09 89.81 06:10:01 2 9.54 0.00 0.60 0.02 0.09 89.75 06:10:01 3 10.14 0.00 0.42 0.02 0.09 89.33 06:20:18 all 18.84 0.00 0.74 0.05 0.08 80.28 06:20:18 0 17.80 0.00 0.72 0.02 0.09 81.38 06:20:18 1 19.91 0.00 0.95 0.09 0.09 78.96 06:20:18 2 19.21 0.00 0.74 0.04 0.08 79.92 06:20:18 3 18.46 0.00 0.56 0.04 0.08 80.87 Average: all 21.59 0.00 0.89 0.05 0.09 77.38 Average: 0 21.39 0.00 0.86 0.06 0.09 77.60 Average: 1 21.45 0.00 0.94 0.06 0.09 77.46 Average: 2 21.76 0.00 0.87 0.04 0.09 77.25 Average: 3 21.77 0.00 0.87 0.04 0.09 77.23