---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1604 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 713 10315 3 4960 14933 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:69:ba:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79873sec preferred_lft 79873sec inet6 fe80::f816:3eff:fe69:ba46/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:53:34:be:23:44 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::f053:34ff:febe:2344/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1604) 03/18/26 _x86_64_ (4 CPU) 09:57:33 LINUX RESTART (4 CPU) 10:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:07 115.96 8.55 102.85 4.56 796.58 34752.16 11109.28 10:20:16 87.22 23.21 46.18 17.83 334.10 5145.53 211759.55 10:30:16 28.01 12.34 14.85 0.83 151.35 486.10 2574.15 10:40:16 11.22 0.04 10.69 0.50 1.09 575.90 984.92 10:50:16 16.65 0.02 15.94 0.70 0.59 503.85 285.87 11:00:16 7.02 0.00 6.70 0.32 0.43 225.20 371.67 11:10:16 4.96 0.04 4.73 0.18 2.63 148.75 69.63 11:20:16 4.67 0.00 4.47 0.20 0.31 141.91 54.87 11:30:16 5.14 0.00 4.96 0.18 0.13 157.60 62.49 11:40:16 9.54 0.04 9.11 0.39 3.92 573.99 113.29 Average: 29.15 4.45 22.11 2.59 129.64 4282.72 23009.19 10:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:07 4395400 15254368 669748 4.09 250372 10370336 1469176 8.43 2008724 9189624 227416 10:20:16 3325308 7068516 8862668 54.13 269392 3434448 9615844 55.19 2105436 10330936 772 10:30:16 1202580 5031032 10900136 66.57 275508 3504196 12376316 71.04 2171728 12390804 776 10:40:16 7592276 11538576 4396604 26.85 279908 3612032 5238784 30.07 2208440 5963080 176 10:50:16 7311380 11328580 4606652 28.14 282100 3680480 5353248 30.73 2214096 6250164 72 11:00:16 7291168 11337956 4597092 28.08 282772 3709300 5358032 30.76 2215760 6258616 152 11:10:16 5857504 9926088 6008084 36.69 283468 3730412 6783624 38.94 2218480 7692824 496 11:20:16 5948780 10037680 5896612 36.01 284048 3750068 6645396 38.14 2221800 7593596 388 11:30:16 7383780 11496272 4438796 27.11 284920 3772668 5208116 29.89 2224092 6153652 92 11:40:16 7017524 11263284 4671188 28.53 288948 3894772 5351220 30.72 2238948 6501336 36 Average: 5732570 10428235 5504758 33.62 278144 4345871 6339976 36.39 2182750 7832463 23038 10:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:07 lo 2.98 2.98 2.32 2.32 0.00 0.00 0.00 0.00 10:10:07 ens3 145.98 109.21 1931.63 11.66 0.00 0.00 0.00 0.00 10:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:16 lo 39.03 39.03 24.54 24.54 0.00 0.00 0.00 0.00 10:20:16 ens3 2.20 1.71 0.47 0.38 0.00 0.00 0.00 0.00 10:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:16 lo 34.75 34.75 15.40 15.40 0.00 0.00 0.00 0.00 10:30:16 ens3 1.57 1.45 0.29 0.91 0.00 0.00 0.00 0.00 10:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:16 lo 16.33 16.33 6.84 6.84 0.00 0.00 0.00 0.00 10:40:16 ens3 2.44 1.17 0.57 0.83 0.00 0.00 0.00 0.00 10:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:16 lo 17.00 17.00 8.55 8.55 0.00 0.00 0.00 0.00 10:50:16 ens3 0.96 0.70 0.18 0.14 0.00 0.00 0.00 0.00 10:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:16 lo 18.03 18.03 8.99 8.99 0.00 0.00 0.00 0.00 11:00:16 ens3 0.87 0.61 0.18 0.14 0.00 0.00 0.00 0.00 11:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:16 lo 28.26 28.26 11.28 11.28 0.00 0.00 0.00 0.00 11:10:16 ens3 0.76 0.43 0.16 0.11 0.00 0.00 0.00 0.00 11:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:16 lo 14.00 14.00 7.22 7.22 0.00 0.00 0.00 0.00 11:20:16 ens3 1.15 0.52 0.23 0.14 0.00 0.00 0.00 0.00 11:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:16 lo 16.62 16.62 9.50 9.50 0.00 0.00 0.00 0.00 11:30:16 ens3 0.84 0.55 0.19 0.14 0.00 0.00 0.00 0.00 11:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:16 lo 21.25 21.25 10.26 10.26 0.00 0.00 0.00 0.00 11:40:16 ens3 1.22 0.88 0.35 0.27 0.00 0.00 0.00 0.00 11:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.85 20.85 10.51 10.51 0.00 0.00 0.00 0.00 Average: ens3 15.82 11.74 193.73 1.47 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1604) 03/18/26 _x86_64_ (4 CPU) 09:57:33 LINUX RESTART (4 CPU) 10:00:05 CPU %user %nice %system %iowait %steal %idle 10:10:07 all 39.07 0.00 2.42 5.32 0.09 53.10 10:10:07 0 35.09 0.00 2.16 7.14 0.08 55.53 10:10:07 1 40.47 0.00 2.67 5.35 0.09 51.42 10:10:07 2 43.56 0.00 2.36 4.60 0.09 49.39 10:10:07 3 37.17 0.00 2.48 4.20 0.08 56.06 10:20:16 all 61.16 0.00 2.23 0.14 0.12 36.35 10:20:16 0 60.96 0.00 2.20 0.08 0.12 36.64 10:20:16 1 60.91 0.00 2.30 0.18 0.12 36.49 10:20:16 2 61.24 0.00 2.16 0.10 0.12 36.39 10:20:16 3 61.52 0.00 2.28 0.21 0.12 35.87 10:30:16 all 35.89 0.07 1.35 0.10 0.11 62.48 10:30:16 0 36.82 0.08 1.33 0.09 0.11 61.58 10:30:16 1 35.14 0.22 1.20 0.20 0.11 63.14 10:30:16 2 35.95 0.00 1.51 0.03 0.11 62.40 10:30:16 3 35.64 0.00 1.36 0.08 0.11 62.82 10:40:16 all 16.66 0.00 0.65 0.04 0.10 82.56 10:40:16 0 16.54 0.00 0.72 0.06 0.09 82.58 10:40:16 1 17.62 0.00 0.77 0.03 0.09 81.50 10:40:16 2 16.56 0.00 0.54 0.03 0.10 82.77 10:40:16 3 15.91 0.00 0.57 0.05 0.10 83.37 10:50:16 all 24.86 0.00 0.76 0.05 0.09 74.24 10:50:16 0 25.17 0.00 0.77 0.04 0.09 73.93 10:50:16 1 24.39 0.00 0.76 0.09 0.09 74.68 10:50:16 2 25.91 0.00 0.79 0.03 0.09 73.17 10:50:16 3 23.97 0.00 0.73 0.04 0.09 75.17 11:00:16 all 13.90 0.00 0.60 0.02 0.09 85.39 11:00:16 0 14.12 0.00 0.55 0.02 0.09 85.22 11:00:16 1 14.08 0.00 0.62 0.03 0.10 85.17 11:00:16 2 14.39 0.00 0.63 0.03 0.09 84.86 11:00:16 3 13.01 0.00 0.58 0.02 0.09 86.30 11:10:16 all 11.53 0.00 0.50 0.02 0.09 87.85 11:10:16 0 11.79 0.00 0.41 0.05 0.08 87.67 11:10:16 1 11.48 0.00 0.63 0.01 0.09 87.80 11:10:16 2 11.26 0.00 0.40 0.02 0.08 88.24 11:10:16 3 11.61 0.00 0.58 0.01 0.09 87.72 11:20:16 all 9.61 0.00 0.53 0.02 0.10 89.74 11:20:16 0 9.59 0.00 0.44 0.00 0.08 89.89 11:20:16 1 10.25 0.00 0.58 0.03 0.10 89.04 11:20:16 2 9.62 0.00 0.53 0.03 0.11 89.71 11:20:16 3 8.99 0.00 0.58 0.01 0.09 90.33 11:30:16 all 8.73 0.00 0.51 0.02 0.09 90.65 11:30:16 0 8.39 0.00 0.45 0.06 0.08 91.02 11:30:16 1 9.21 0.00 0.53 0.01 0.10 90.15 11:30:16 2 8.53 0.00 0.52 0.01 0.10 90.84 11:30:16 3 8.78 0.00 0.54 0.01 0.09 90.58 11:40:16 all 14.13 0.00 0.64 0.04 0.09 85.10 11:40:16 0 13.75 0.00 0.59 0.03 0.09 85.54 11:40:16 1 14.05 0.00 0.71 0.08 0.10 85.06 11:40:16 2 14.44 0.00 0.57 0.02 0.10 84.86 11:40:16 3 14.27 0.00 0.68 0.02 0.09 84.94 Average: all 23.59 0.01 1.02 0.58 0.10 74.71 Average: 0 23.26 0.01 0.96 0.76 0.09 74.92 Average: 1 23.79 0.02 1.08 0.60 0.10 74.41 Average: 2 24.18 0.00 1.00 0.49 0.10 74.22 Average: 3 23.13 0.00 1.04 0.47 0.09 75.27