---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23681 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 17G 61G 22% / 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 713 11727 3 3548 14929 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:51:cb:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79353sec preferred_lft 79353sec inet6 fe80::f816:3eff:fe51:cbe1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:d8:7c:a0:a8:47 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-16g-23681) 02/27/26 _x86_64_ (4 CPU) 09:30:28 LINUX RESTART (4 CPU) 09:40:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:18 37.95 5.58 30.65 1.72 185.14 3568.29 1741.91 10:00:29 5.01 0.09 4.72 0.19 5.14 121.13 282.19 10:10:29 7.24 0.05 6.84 0.35 5.25 214.73 677.59 10:20:29 19.71 1.98 16.96 0.78 97.49 764.91 1060.01 10:30:29 11.91 0.01 11.38 0.51 0.99 360.65 511.68 10:40:29 5.04 0.00 4.88 0.16 0.16 129.79 118.24 10:50:20 5.52 0.20 5.13 0.19 7.95 165.77 386.83 11:00:10 20.84 0.04 5.05 15.76 1.56 152.41 213121.83 11:10:07 5.98 0.01 5.72 0.25 0.48 184.46 82.33 11:20:29 8.55 0.05 8.19 0.30 1.50 509.79 453.88 Average: 12.75 0.80 9.96 1.99 30.54 618.05 21462.99 09:40:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:18 7996880 10300160 5638756 34.44 258212 2107284 6638576 38.11 1682028 6202480 48 10:00:29 8898812 11211440 4727440 28.87 259356 2115568 5434652 31.19 1692536 5303656 236 10:10:29 7396972 9728092 6209868 37.93 260740 2132688 6926908 39.76 1698804 6783840 1068 10:20:29 10440676 12941452 2998696 18.31 266708 2296328 3696744 21.22 1729636 3734596 296 10:30:29 8784468 11338708 4600388 28.10 268284 2348216 5232192 30.03 1732952 5379176 76 10:40:29 8958304 11529896 4409052 26.93 269036 2364812 5162196 29.63 1734356 5199256 304 10:50:20 7392980 9988440 5949560 36.34 270604 2387124 6646056 38.15 1738104 6751144 344 11:00:10 7474208 10095812 5842204 35.68 271660 2412208 6607396 37.93 1746280 6667504 112 11:10:07 12583924 15323764 617080 3.77 275316 2526188 1310828 7.52 1776536 1534952 94584 11:20:29 8655068 11421932 4517084 27.59 276152 2552176 5137968 29.49 1786156 5454176 216 Average: 8858229 11387970 4551013 27.80 267607 2324259 5279352 30.30 1731739 5301078 9728 09:40:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:18 lo 19.46 19.46 15.48 15.48 0.00 0.00 0.00 0.00 09:50:18 ens3 2.32 1.65 0.58 2.47 0.00 0.00 0.00 0.00 09:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:29 lo 10.33 10.33 5.07 5.07 0.00 0.00 0.00 0.00 10:00:29 ens3 0.58 0.37 0.11 0.07 0.00 0.00 0.00 0.00 10:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:29 lo 12.32 12.32 7.26 7.26 0.00 0.00 0.00 0.00 10:10:29 ens3 1.43 0.58 0.44 0.29 0.00 0.00 0.00 0.00 10:10:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:29 lo 12.20 12.20 5.74 5.74 0.00 0.00 0.00 0.00 10:20:29 ens3 1.82 0.96 0.50 0.35 0.00 0.00 0.00 0.00 10:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:29 lo 18.92 18.92 10.37 10.37 0.00 0.00 0.00 0.00 10:30:29 ens3 1.01 0.73 0.23 0.18 0.00 0.00 0.00 0.00 10:30:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:29 lo 15.13 15.13 6.11 6.11 0.00 0.00 0.00 0.00 10:40:29 ens3 1.12 0.50 0.30 0.19 0.00 0.00 0.00 0.00 10:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:20 lo 27.41 27.41 11.42 11.42 0.00 0.00 0.00 0.00 10:50:20 ens3 0.87 0.51 0.21 0.14 0.00 0.00 0.00 0.00 10:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:10 lo 14.52 14.52 7.68 7.68 0.00 0.00 0.00 0.00 11:00:10 ens3 0.59 0.39 0.11 0.08 0.00 0.00 0.00 0.00 11:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 15.24 15.24 8.47 8.47 0.00 0.00 0.00 0.00 11:10:07 ens3 1.18 0.79 0.40 0.30 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:29 lo 15.00 15.00 7.90 7.90 0.00 0.00 0.00 0.00 11:20:29 ens3 0.71 0.54 0.17 0.13 0.00 0.00 0.00 0.00 11:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.03 16.03 8.54 8.54 0.00 0.00 0.00 0.00 Average: ens3 1.16 0.70 0.30 0.42 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-23681) 02/27/26 _x86_64_ (4 CPU) 09:30:28 LINUX RESTART (4 CPU) 09:40:17 CPU %user %nice %system %iowait %steal %idle 09:50:18 all 34.87 0.00 1.46 0.07 0.09 63.51 09:50:18 0 34.47 0.00 1.36 0.09 0.09 63.99 09:50:18 1 34.19 0.00 1.65 0.07 0.10 63.99 09:50:18 2 34.87 0.00 1.44 0.09 0.10 63.51 09:50:18 3 35.94 0.00 1.39 0.04 0.09 62.54 10:00:29 all 8.90 0.00 0.50 0.01 0.07 90.52 10:00:29 0 8.36 0.00 0.45 0.02 0.06 91.10 10:00:29 1 8.81 0.00 0.50 0.01 0.07 90.61 10:00:29 2 9.30 0.00 0.59 0.02 0.07 90.01 10:00:29 3 9.12 0.00 0.44 0.00 0.06 90.37 10:10:29 all 16.26 0.00 0.66 0.36 0.08 82.65 10:10:29 0 16.38 0.00 0.70 0.01 0.08 82.83 10:10:29 1 16.86 0.00 0.61 0.58 0.08 81.87 10:10:29 2 15.62 0.00 0.67 0.35 0.08 83.29 10:10:29 3 16.16 0.00 0.66 0.48 0.07 82.63 10:20:29 all 25.02 0.00 0.91 0.07 0.09 73.91 10:20:29 0 25.15 0.00 0.95 0.09 0.08 73.73 10:20:29 1 24.30 0.00 0.84 0.08 0.09 74.69 10:20:29 2 25.63 0.00 1.04 0.06 0.09 73.18 10:20:29 3 25.01 0.00 0.82 0.05 0.09 74.03 10:30:29 all 20.68 0.00 0.71 0.04 0.08 78.49 10:30:29 0 20.51 0.00 0.74 0.03 0.09 78.63 10:30:29 1 21.28 0.00 0.80 0.04 0.09 77.79 10:30:29 2 20.52 0.00 0.61 0.03 0.08 78.76 10:30:29 3 20.39 0.00 0.68 0.04 0.08 78.80 10:40:29 all 7.79 0.00 0.43 0.05 0.07 91.67 10:40:29 0 8.13 0.00 0.39 0.14 0.07 91.26 10:40:29 1 7.65 0.00 0.45 0.01 0.07 91.82 10:40:29 2 7.59 0.00 0.38 0.02 0.07 91.93 10:40:29 3 7.78 0.00 0.49 0.01 0.07 91.66 10:50:20 all 10.13 0.00 0.39 0.02 0.08 89.37 10:50:20 0 9.72 0.00 0.40 0.03 0.07 89.77 10:50:20 1 10.38 0.00 0.39 0.01 0.09 89.13 10:50:20 2 10.50 0.00 0.42 0.04 0.08 88.95 10:50:20 3 9.94 0.00 0.34 0.01 0.07 89.63 11:00:10 all 9.30 0.00 0.44 0.04 0.08 90.14 11:00:10 0 9.42 0.00 0.36 0.10 0.08 90.05 11:00:10 1 9.32 0.00 0.43 0.04 0.08 90.14 11:00:10 2 9.24 0.00 0.51 0.02 0.08 90.15 11:00:10 3 9.22 0.00 0.48 0.01 0.08 90.22 11:10:07 all 7.89 0.00 0.49 0.03 0.08 91.51 11:10:07 0 7.14 0.00 0.49 0.06 0.07 92.23 11:10:07 1 8.03 0.00 0.44 0.01 0.08 91.44 11:10:07 2 8.56 0.00 0.58 0.02 0.08 90.75 11:10:07 3 7.85 0.00 0.45 0.02 0.07 91.61 11:20:29 all 12.63 0.00 0.53 0.03 0.08 86.74 11:20:29 0 12.73 0.00 0.48 0.03 0.07 86.68 11:20:29 1 12.46 0.00 0.53 0.02 0.08 86.90 11:20:29 2 12.86 0.00 0.60 0.04 0.08 86.42 11:20:29 3 12.46 0.00 0.50 0.02 0.07 86.95 Average: all 15.34 0.00 0.65 0.07 0.08 83.85 Average: 0 15.20 0.00 0.63 0.06 0.08 84.03 Average: 1 15.33 0.00 0.66 0.09 0.08 83.84 Average: 2 15.47 0.00 0.69 0.07 0.08 83.69 Average: 3 15.38 0.00 0.63 0.07 0.08 83.85