---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-37818 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 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 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 706 8176 3 7106 14940 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:b2:e5:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79583sec preferred_lft 79583sec inet6 fe80::f816:3eff:feb2:e5bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:b1:e3:06:84:2a 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::10b1:e3ff:fe06:842a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-37818) 07/22/26 _x86_64_ (4 CPU) 19:15:08 LINUX RESTART (4 CPU) 19:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:30:09 67.77 2.28 63.11 2.38 121.44 21324.41 8817.29 19:40:09 15.64 0.89 14.00 0.76 7.72 390.98 987.47 19:50:01 3.58 0.01 3.48 0.09 0.32 99.42 222.48 20:00:09 8.13 0.00 7.69 0.44 0.00 284.80 411.93 20:10:02 83.49 38.34 42.82 2.33 309.86 3317.46 1818.34 20:20:01 14.49 0.00 13.76 0.72 0.09 447.69 288.63 20:30:01 33.45 11.92 6.11 15.42 136.11 173.96 210594.34 20:40:09 5.55 0.00 5.37 0.18 0.00 164.84 106.59 20:50:01 5.26 0.00 5.06 0.20 0.00 163.40 1316.57 21:00:09 11.26 0.00 10.71 0.54 0.01 687.02 637.49 Average: 24.84 5.29 17.24 2.30 57.25 2729.65 22491.86 19:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:09 171972 5340052 10587688 64.67 249288 4796024 11552704 66.31 2132776 13367556 224 19:40:09 1112040 6300948 9627772 58.80 251900 4814072 11055548 63.46 2188880 12387332 1192 19:50:01 1673720 6866996 9061516 55.34 252468 4817860 10962552 62.92 2189560 11805416 252 20:00:09 4521452 9738780 6192152 37.82 253996 4840436 6911020 39.67 2195276 8968276 424 20:10:02 5866732 11900196 4029724 24.61 276904 5611444 4789240 27.49 2516460 7292776 13308 20:20:01 5130688 11215392 4714620 28.79 278828 5660584 5454860 31.31 2534780 8011864 388 20:30:01 5247280 11410360 4519052 27.60 282064 5723968 5270704 30.25 2579584 7819688 372 20:40:09 3522784 9708556 6220100 37.99 282784 5745808 6995888 40.16 2581840 9558796 316 20:50:01 3538744 9747920 6180700 37.75 283392 5768552 6924620 39.75 2585268 9540064 240 21:00:09 4957904 11323504 4605896 28.13 287520 5914440 5291236 30.37 2601152 8100388 224 Average: 3574332 9355270 6573922 40.15 269914 5369319 7520837 43.17 2410558 9685216 1694 19:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:30:09 lo 14.15 14.15 10.12 10.12 0.00 0.00 0.00 0.00 19:30:09 ens3 41.03 30.66 654.62 3.16 0.00 0.00 0.00 0.00 19:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:09 lo 25.58 25.58 11.46 11.46 0.00 0.00 0.00 0.00 19:40:09 ens3 1.51 1.47 0.28 1.23 0.00 0.00 0.00 0.00 19:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 lo 20.51 20.51 7.48 7.48 0.00 0.00 0.00 0.00 19:50:01 ens3 0.78 0.45 0.19 0.13 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:09 lo 11.60 11.60 6.74 6.74 0.00 0.00 0.00 0.00 20:00:09 ens3 0.57 0.39 0.13 0.10 0.00 0.00 0.00 0.00 20:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:02 lo 22.90 22.90 17.55 17.55 0.00 0.00 0.00 0.00 20:10:02 ens3 2.03 1.91 0.62 0.52 0.00 0.00 0.00 0.00 20:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 28.32 28.32 14.25 14.25 0.00 0.00 0.00 0.00 20:20:01 ens3 1.24 1.02 0.26 0.22 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 23.77 23.77 9.01 9.01 0.00 0.00 0.00 0.00 20:30:01 ens3 0.65 0.48 0.17 0.12 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:09 lo 24.97 24.97 11.23 11.23 0.00 0.00 0.00 0.00 20:40:09 ens3 0.66 0.50 0.16 0.12 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 17.81 17.81 10.49 10.49 0.00 0.00 0.00 0.00 20:50:01 ens3 0.65 0.51 0.15 0.12 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 18.23 18.23 10.08 10.08 0.00 0.00 0.00 0.00 21:00:09 ens3 1.01 0.88 0.31 0.25 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.77 20.77 10.83 10.83 0.00 0.00 0.00 0.00 Average: ens3 5.06 3.87 66.56 0.60 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-37818) 07/22/26 _x86_64_ (4 CPU) 19:15:08 LINUX RESTART (4 CPU) 19:20:01 CPU %user %nice %system %iowait %steal %idle 19:30:09 all 39.40 0.00 1.77 2.46 0.10 56.27 19:30:09 0 40.09 0.00 1.81 1.33 0.10 56.67 19:30:09 1 38.34 0.00 1.74 5.07 0.10 54.75 19:30:09 2 40.03 0.00 1.85 1.87 0.10 56.15 19:30:09 3 39.15 0.00 1.66 1.58 0.09 57.52 19:40:09 all 32.79 0.00 1.26 0.05 0.10 65.80 19:40:09 0 32.22 0.00 1.30 0.04 0.10 66.35 19:40:09 1 32.93 0.00 1.19 0.04 0.10 65.73 19:40:09 2 33.25 0.00 1.24 0.09 0.10 65.31 19:40:09 3 32.78 0.00 1.29 0.03 0.10 65.80 19:50:01 all 3.69 0.00 0.38 0.02 0.07 95.84 19:50:01 0 3.52 0.00 0.40 0.00 0.07 96.00 19:50:01 1 3.83 0.00 0.40 0.03 0.08 95.67 19:50:01 2 3.41 0.00 0.41 0.04 0.08 96.05 19:50:01 3 3.99 0.00 0.32 0.00 0.07 95.62 20:00:09 all 16.88 0.00 0.60 0.02 0.07 82.43 20:00:09 0 16.84 0.00 0.58 0.04 0.07 82.47 20:00:09 1 16.84 0.00 0.61 0.02 0.07 82.45 20:00:09 2 16.90 0.00 0.60 0.01 0.07 82.41 20:00:09 3 16.93 0.00 0.60 0.03 0.07 82.37 20:10:02 all 58.69 0.00 1.93 0.18 0.13 39.08 20:10:02 0 58.51 0.00 1.91 0.15 0.13 39.30 20:10:02 1 58.19 0.00 1.87 0.11 0.13 39.70 20:10:02 2 58.77 0.00 2.07 0.22 0.13 38.81 20:10:02 3 59.27 0.00 1.87 0.23 0.13 38.51 20:20:01 all 27.82 0.00 0.91 0.07 0.09 71.10 20:20:01 0 27.78 0.00 0.93 0.04 0.08 71.17 20:20:01 1 27.68 0.00 0.92 0.19 0.09 71.12 20:20:01 2 27.98 0.00 0.88 0.02 0.09 71.03 20:20:01 3 27.82 0.00 0.93 0.04 0.12 71.10 20:30:01 all 8.72 0.08 0.48 0.09 0.06 90.57 20:30:01 0 8.54 0.00 0.40 0.03 0.06 90.97 20:30:01 1 8.95 0.00 0.43 0.02 0.06 90.53 20:30:01 2 8.48 0.00 0.52 0.06 0.07 90.87 20:30:01 3 8.91 0.32 0.55 0.25 0.06 89.89 20:40:09 all 10.39 0.00 0.46 0.02 0.07 89.07 20:40:09 0 10.25 0.00 0.53 0.01 0.07 89.14 20:40:09 1 10.67 0.00 0.45 0.02 0.07 88.78 20:40:09 2 10.46 0.00 0.45 0.03 0.07 88.99 20:40:09 3 10.17 0.00 0.40 0.00 0.07 89.36 20:50:01 all 10.21 0.00 0.52 0.03 0.07 89.17 20:50:01 0 10.07 0.00 0.57 0.08 0.06 89.22 20:50:01 1 9.58 0.00 0.54 0.02 0.08 89.79 20:50:01 2 10.68 0.00 0.48 0.01 0.07 88.77 20:50:01 3 10.52 0.00 0.49 0.02 0.07 88.91 21:00:09 all 19.66 0.00 0.64 0.04 0.07 79.58 21:00:09 0 19.41 0.00 0.58 0.04 0.07 79.90 21:00:09 1 19.56 0.00 0.65 0.08 0.07 79.64 21:00:09 2 19.92 0.00 0.63 0.02 0.07 79.36 21:00:09 3 19.76 0.00 0.71 0.04 0.07 79.42 Average: all 22.82 0.01 0.89 0.30 0.08 75.89 Average: 0 22.72 0.00 0.90 0.18 0.08 76.12 Average: 1 22.65 0.00 0.88 0.57 0.08 75.82 Average: 2 22.99 0.00 0.91 0.24 0.08 75.77 Average: 3 22.93 0.03 0.88 0.22 0.08 75.85